{"id":6401,"date":"2026-05-30T15:56:29","date_gmt":"2026-05-30T15:56:29","guid":{"rendered":"https:\/\/jxlampshade.com\/best-glass-for-outdoor-lamp-shades\/"},"modified":"2026-06-02T02:05:28","modified_gmt":"2026-06-02T02:05:28","slug":"chat-lieu-kinh-tot-nhat-cho-chup-den-ngoai-troi","status":"publish","type":"post","link":"https:\/\/jxlampshade.com\/vi\/best-glass-for-outdoor-lamp-shades\/","title":{"rendered":"Lo\u1ea1i k\u00ednh t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi: H\u01b0\u1edbng d\u1eabn v\u1ec1 ch\u1ea5t li\u1ec7u"},"content":{"rendered":"

K\u00ednh borosilicate l\u00e0 lo\u1ea1i k\u00ednh t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi<\/strong> \u2014 n\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1c nhi\u1ec7t l\u00ean \u0111\u1ebfn ch\u00eanh l\u1ec7ch 150\u00b0C v\u00e0 ch\u1ed1ng \u1ed1 v\u00e0ng do tia UV trong h\u01a1n 10 n\u0103m, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf b\u1eb1ng k\u00ednh c\u01b0\u1eddng l\u1ef1c, soda-lime v\u00e0 polycarbonate trong m\u1ecdi kh\u00ed h\u1eadu.<\/p><\/blockquote>\n

\"Chao <\/p>\n

Qu\u1ea3 c\u1ea7u \u0111\u00e8n hi\u00ean nh\u00e0 b\u1ecb n\u1ee9t ngay m\u00f9a \u0111\u00f4ng \u0111\u1ea7u ti\u00ean. B\u1ea1n thay th\u1ebf n\u00f3 b\u1eb1ng m\u1ed9t b\u1ed9 ph\u1eadn c\u00f3 v\u1ebb ngo\u00e0i gi\u1ed1ng h\u1ec7t. N\u00f3 l\u1ea1i n\u1ee9t \u1edf \u0111\u00fang v\u1ecb tr\u00ed \u0111\u00f3. V\u1ea5n \u0111\u1ec1 kh\u00f4ng n\u1eb1m \u1edf thi\u1ebft b\u1ecb, nhi\u1ec7t \u0111\u1ed9 hay v\u1eadn r\u1ee7i \u2014 m\u00e0 l\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a k\u00ednh. C\u00e1c chao \u0111\u00e8n ngo\u00e0i tr\u1eddi b\u1ecb h\u1ecfng theo nh\u1eefng c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 ph\u00f2ng ng\u1eeba, v\u00e0 h\u1ea7u nh\u01b0 m\u1ecdi s\u1ef1 c\u1ed1 \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb m\u1ed9t quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a ra tr\u01b0\u1edbc khi chao \u0111\u00e8n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t: lo\u1ea1i k\u00ednh n\u00e0o.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m b\u1ed1n lo\u1ea1i k\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong chao \u0111\u00e8n ngo\u00e0i tr\u1eddi, c\u00e1ch m\u1ed7i lo\u1ea1i b\u1ecb h\u1ecfng, nh\u1eefng l\u1edbp ho\u00e0n thi\u1ec7n n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u00e1nh s\u00e1ng ph\u00e1t ra v\u00e0 c\u00e1ch ch\u1ecdn k\u00ednh ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eadu c\u1ee7a b\u1ea1n. Cu\u1ed1i c\u00f9ng, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u00fang lo\u1ea1i k\u00ednh \u2014 v\u00e0 t\u1eeb ch\u1ed1i lo\u1ea1i k\u00ednh kh\u00f4ng ph\u00f9 h\u1ee3p.<\/p>\n

\n

T\u1ea1i sao lo\u1ea1i k\u00ednh l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi<\/h2>\n

K\u00ednh ph\u00f9 h\u1ee3p cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi kh\u00f4ng \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi v\u1ebb b\u1ec1 ngo\u00e0i. N\u00f3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi v\u1eadt l\u00fd. Chao \u0111\u00e8n ngo\u00e0i tr\u1eddi ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n m\u00e0 k\u00ednh trong nh\u00e0 kh\u00f4ng bao gi\u1edd g\u1eb7p ph\u1ea3i: \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp l\u00e0m b\u1ec1 m\u1eb7t n\u00f3ng l\u00ean \u0111\u1ebfn 70\u00b0C trong khi m\u1ed9t tr\u1eadn m\u01b0a l\u1ea1nh l\u00e0m n\u00f3 gi\u1ea3m xu\u1ed1ng 10\u00b0C trong v\u00f2ng v\u00e0i ph\u00fat, h\u01a1i mu\u1ed1i l\u00e0m oxy h\u00f3a c\u00e1c l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t, b\u1ee9c x\u1ea1 UV l\u00e0m suy gi\u1ea3m c\u1ea5u tr\u00fac ph\u00e2n t\u1eed theo n\u0103m th\u00e1ng, v\u00e0 c\u00e1c chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan b\u0103ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i g\u00e2y \u00e1p l\u1ef1c l\u00ean b\u1ea5t k\u1ef3 v\u1ebft n\u1ee9t vi m\u00f4 n\u00e0o cho \u0111\u1ebfn khi n\u00f3 lan r\u1ed9ng.<\/p>\n

Ph\u01b0\u01a1ng tr\u00ecnh h\u1ecfng h\u00f3c c\u1ee7a k\u00ednh ngo\u00e0i tr\u1eddi<\/h3>\n

K\u00ednh b\u1ecb h\u1ecfng trong th\u1ef1c t\u1ebf v\u00ec ba l\u00fd do ch\u00ednh:<\/p>\n

    \n
  1. S\u1ed1c nhi\u1ec7t<\/strong> \u2014 k\u00ednh gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i nhanh h\u01a1n kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a c\u1ea5u tr\u00fac b\u00ean trong, g\u00e2y ra n\u1ee9t v\u1ee1. \u0110\u00e2y l\u00e0 d\u1ea1ng h\u1ecfng h\u00f3c k\u00ednh ngo\u00e0i tr\u1eddi ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n
  2. S\u1ef1 suy gi\u1ea3m do tia UV<\/strong> \u2014 ti\u1ebfp x\u00fac l\u00e2u v\u1edbi tia c\u1ef1c t\u00edm ph\u00e1 v\u1ee1 c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc trong m\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c th\u1ee7y tinh, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u1ed1 v\u00e0ng, m\u1edd \u0111\u1ee5c ho\u1eb7c r\u1ed7 b\u1ec1 m\u1eb7t l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn c\u1ea3 t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac.<\/li>\n
  3. T\u00e1c \u0111\u1ed9ng t\u1eeb chu k\u1ef3 nhi\u1ec7t<\/strong> \u2014 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n s\u1ed1c \u0111\u01a1n l\u1ebb, m\u00e0 l\u00e0 s\u1ef1 m\u1ec7t m\u1ecfi t\u00edch l\u0169y c\u1ee7a h\u00e0ng tr\u0103m chu k\u1ef3 l\u00e0m n\u00f3ng-l\u00e0m m\u00e1t. K\u00ednh s\u1ed1ng s\u00f3t qua m\u00f9a \u0111\u00f4ng \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t v\u00e0o m\u00f9a \u0111\u00f4ng th\u1ee9 ba.<\/li>\n<\/ol>\n

    H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) \u2014 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ph\u1ea7n tri\u1ec7u tr\u00ean m\u1ed9t \u0111\u1ed9 C (ppm\/\u00b0C) \u2014 quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ph\u1ea3n \u1ee9ng m\u1ea1nh m\u1ebd c\u1ee7a m\u1ed9t lo\u1ea1i k\u00ednh \u0111\u1ed1i v\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. CTE th\u1ea5p h\u01a1n c\u00f3 ngh\u0129a l\u00e0 k\u00ednh gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i \u00edt h\u01a1n, gi\u00fap n\u00f3 v\u1ed1n d\u0129 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c nhi\u1ec7t cao h\u01a1n.<\/p>\n

    \u201cK\u00ednh ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft\u201d th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a l\u00e0 g\u00ec<\/h3>\n

    C\u1ee5m t\u1eeb n\u00e0y xu\u1ea5t hi\u1ec7n tr\u00ean v\u00f4 s\u1ed1 danh s\u00e1ch s\u1ea3n ph\u1ea9m. N\u00f3 h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec n\u1ebfu kh\u00f4ng c\u00f3 chi ti\u1ebft c\u1ee5 th\u1ec3. Kh\u00f4ng c\u00f3 ti\u00eau chu\u1ea9n th\u1ed1ng nh\u1ea5t n\u00e0o cho \u201ck\u00ednh ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft\u201d trong chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi \u2014 thu\u1eadt ng\u1eef n\u00e0y l\u00e0 ng\u00f4n ng\u1eef ti\u1ebfp th\u1ecb, kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 lo\u1ea1i k\u00ednh c\u01a1 b\u1ea3n, CTE c\u1ee7a n\u00f3, x\u1ebfp hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh UV v\u00e0 li\u1ec7u thi\u1ebft b\u1ecb ch\u1ee9a n\u00f3 c\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m gradient nhi\u1ec7t m\u00e0 k\u00ednh tr\u1ea3i qua hay kh\u00f4ng.<\/p>\n

    Khi nh\u00e0 cung c\u1ea5p n\u00f3i \u201cch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft\u201d, h\u00e3y h\u1ecfi: \u0111\u00e2y l\u00e0 borosilicate, c\u01b0\u1eddng l\u1ef1c hay soda-lime? C\u00e2u h\u1ecfi \u0111\u00f3 s\u1ebd cho b\u1ea1n bi\u1ebft m\u1ecdi th\u1ee9 m\u00e0 nh\u00e3n hi\u1ec7u ti\u1ebfp th\u1ecb che gi\u1ea5u.<\/p>\n\n\n\n\n\n\n\n\n
    Lo\u1ea1i k\u00ednh<\/th>\nGi\u00e3n n\u1edf nhi\u1ec7t (CTE, ppm\/\u00b0C)<\/th>\nCh\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a an to\u00e0n<\/th>\n\u1ed4n \u0111\u1ecbnh tia UV<\/th>\nTu\u1ed5i th\u1ecd ngo\u00e0i tr\u1eddi<\/th>\n<\/tr>\n<\/thead>\n
    Borosilicate<\/td>\n3.3<\/td>\n~150\u00b0C<\/td>\nTuy\u1ec7t v\u1eddi (10+ n\u0103m)<\/td>\n15\u201320 n\u0103m<\/td>\n<\/tr>\n
    K\u00ednh soda-lime c\u01b0\u1eddng l\u1ef1c<\/td>\n9.0<\/td>\n~40\u201360\u00b0C<\/td>\nT\u1ed1t<\/td>\n7\u201312 n\u0103m<\/td>\n<\/tr>\n
    K\u00ednh soda-lime ti\u00eau chu\u1ea9n<\/td>\n9.0<\/td>\n~20\u201330\u00b0C<\/td>\nKh\u00e1<\/td>\n2\u20135 n\u0103m<\/td>\n<\/tr>\n
    Polycarbonate<\/td>\n65\u201370<\/td>\nKh\u00f4ng \u00e1p d\u1ee5ng<\/td>\nK\u00e9m n\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 ch\u1ed1ng tia UV<\/td>\n3\u20137 n\u0103m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    4 lo\u1ea1i k\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong chao \u0111\u00e8n ngo\u00e0i tr\u1eddi<\/h2>\n

    K\u00ednh Borosilicate l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u r\u00f5 r\u1ec7t cho c\u00e1c v\u1ecb tr\u00ed ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n v\u1edbi th\u1eddi ti\u1ebft. Nh\u01b0ng c\u00e2u tr\u1ea3 l\u1eddi ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o kh\u00ed h\u1eadu, lo\u1ea1i thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n \u2014 v\u00e0 trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng, polycarbonate th\u1eadm ch\u00ed v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1eb3n so v\u1edbi k\u00ednh.<\/p>\n

    K\u00ednh Borosilicate \u2014 Ti\u00eau chu\u1ea9n ngo\u00e0i tr\u1eddi<\/h3>\n

    K\u00ednh borosilicate ch\u1ee9a kho\u1ea3ng 12\u201315% bo trioxide, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) xu\u1ed1ng 3,3 ppm\/\u00b0C so v\u1edbi k\u00ednh th\u00f4ng th\u01b0\u1eddng \u1edf m\u1ee9c 9,0 ppm\/\u00b0C. S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao qu\u1ea3 c\u1ea7u b\u1eb1ng k\u00ednh borosilicate c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1eadn b\u00e3o b\u0103ng \u1edf Minnesota trong khi qu\u1ea3 c\u1ea7u k\u00ednh soda-lime c\u00f3 v\u1ebb ngo\u00e0i y h\u1ec7t l\u1ea1i b\u1ecb n\u1ee9t v\u1ee1.<\/p>\n

    As T\u00e0i li\u1ec7u khoa h\u1ecdc v\u1ec1 k\u00ednh c\u1ee7a Corning<\/a> gi\u1ea3i th\u00edch r\u1eb1ng, h\u1ec7 s\u1ed1 CTE th\u1ea5p c\u1ee7a borosilicate l\u00e0 do ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh m\u1ea1ng l\u01b0\u1edbi oxit bo l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u1ea5u tr\u00fac silica th\u00f4ng th\u01b0\u1eddng \u2014 m\u1ed9t \u0111\u1eb7c t\u00ednh l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c th\u01b0\u01a1ng m\u1ea1i h\u00f3a cho th\u1ee7y tinh ph\u00f2ng th\u00ed nghi\u1ec7m (Pyrex) v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 ki\u1ebfn tr\u00fac.<\/p>\n

    Tr\u00ean th\u1ef1c t\u1ebf, ch\u1ee5p \u0111\u00e8n ngo\u00e0i tr\u1eddi b\u1eb1ng th\u1ee7y tinh borosilicate:
    \n\u2013 Ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t do \u1ee9ng su\u1ea5t
    \n\u2013 Duy tr\u00ec \u0111\u1ed9 trong quang h\u1ecdc m\u00e0 kh\u00f4ng b\u1ecb \u1ed1 v\u00e0ng do tia UV g\u00e2y ra nh\u01b0 th\u1ee7y tinh soda-lime
    \n\u2013 Ch\u1ed1ng \u0103n m\u00f2n b\u1ec1 m\u1eb7t do m\u01b0a axit v\u00e0 m\u00f4i tr\u01b0\u1eddng mu\u1ed1i ven bi\u1ec3n
    \n\u2013 Th\u01b0\u1eddng c\u00f3 gi\u00e1 \u0111\u01a1n v\u1ecb cao h\u01a1n nh\u01b0ng chi ph\u00ed tr\u1ecdn \u0111\u1eddi th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3<\/p>\n

    \u0110\u00e1nh \u0111\u1ed5i \u1edf \u0111\u00e2y l\u00e0 tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed. Th\u1ee7y tinh borosilicate c\u00f3 m\u1eadt \u0111\u1ed9 cao h\u01a1n th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c v\u00e0 th\u01b0\u1eddng \u0111\u1eaft h\u01a1n 40\u201380% cho m\u1ed7i chi\u1ebfc ch\u1ee5p \u0111\u00e8n. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i chao \u0111\u00e8n l\u1ed3ng \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, kho\u1ea3n ch\u00eanh l\u1ec7ch \u0111\u00f3 s\u1ebd t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 v\u00f9ng kh\u00ed h\u1eadu ven bi\u1ec3n, v\u00f9ng n\u00fai cao ho\u1eb7c khu v\u1ef1c c\u00f3 chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan b\u0103ng n\u00e0o, kho\u1ea3n chi ph\u00ed n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ho\u00e0n v\u1ed1n ngay trong chu k\u1ef3 thay th\u1ebf \u0111\u1ea7u ti\u00ean.<\/p>\n

    Th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c \u2014 Gi\u1ea3i ph\u00e1p trung gian an to\u00e0n<\/h3>\n

    Th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c l\u00e0 th\u1ee7y tinh soda-lime \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 t\u1ea1o ra \u1ee9ng su\u1ea5t n\u00e9n b\u00ean n\u1ed9i b\u1ed9. Khi n\u00f3 b\u1ecb v\u1ee1 \u2014 v\u00e0 d\u01b0\u1edbi t\u1ea3i tr\u1ecdng nhi\u1ec7t ho\u1eb7c va ch\u1ea1m \u0111\u1ee7 l\u1edbn, n\u00f3 ch\u1eafc ch\u1eafn s\u1ebd v\u1ee1 \u2014 n\u00f3 s\u1ebd v\u1ee1 th\u00e0nh c\u00e1c h\u1ea1t nh\u1ecf, t\u01b0\u01a1ng \u0111\u1ed1i t\u00f9 c\u1ea1nh thay v\u00ec c\u00e1c m\u1ea3nh s\u1eafc nh\u1ecdn l\u1edbn. \u0110\u1eb7c \u0111i\u1ec3m an to\u00e0n \u0111\u00f3 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n cho c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi tu\u00e2n th\u1ee7 quy chu\u1ea9n t\u1ea1i nhi\u1ec1u khu v\u1ef1c.<\/p>\n

    H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) c\u1ee7a th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c v\u1eabn \u1edf m\u1ee9c 9.0 ppm\/\u00b0C. Qu\u00e1 tr\u00ecnh c\u01b0\u1eddng l\u1ef1c c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp, ch\u1ee9 b\u1ea3n th\u00e2n n\u00f3 kh\u00f4ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c nhi\u1ec7t. \u0110i\u1ec3m c\u1ea3i ti\u1ebfn c\u00f3 li\u00ean quan l\u00e0 th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c ch\u1ecbu \u0111\u01b0\u1ee3c ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u1edbn h\u01a1n tr\u01b0\u1edbc khi b\u1ecb n\u1ee9t \u2014 th\u01b0\u1eddng l\u00e0 40\u201360\u00b0C so v\u1edbi 20\u201330\u00b0C c\u1ee7a th\u1ee7y tinh soda-lime ti\u00eau chu\u1ea9n. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 \u00fd ngh\u0129a \u1edf v\u00f9ng kh\u00ed h\u1eadu \u00f4n h\u00f2a; nh\u01b0ng kh\u00f4ng \u0111\u1ee7 \u0111\u1ed1i v\u1edbi c\u00e1c v\u00f9ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng-tan b\u0103ng.<\/p>\n

    \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng hi\u00ean nh\u00e0 c\u00f3 m\u00e1i che, \u0111\u00e8n l\u1ed3ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ho\u1eb7c kh\u00ed h\u1eadu c\u00f3 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u, th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c. N\u00f3 c\u00f3 gi\u00e1 cao h\u01a1n kho\u1ea3ng 20\u201340% so v\u1edbi th\u1ee7y tinh soda-lime ti\u00eau chu\u1ea9n v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng b\u00e0y b\u00e1n r\u1ed9ng r\u00e3i.<\/p>\n

    Th\u1ee7y tinh Soda-Lime \u2014 L\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m nh\u01b0ng t\u1ed1n k\u00e9m h\u01a1n v\u1ec1 l\u00e2u d\u00e0i<\/h3>\n

    Th\u1ee7y tinh soda-lime ti\u00eau chu\u1ea9n (kho\u1ea3ng 73% silic dioxide, 13% natri oxide, 10% canxi oxide) l\u00e0 lo\u1ea1i th\u1ee7y tinh ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u l\u00e0m n\u00ean h\u1ea7u h\u1ebft c\u00e1c c\u1eeda s\u1ed5, chai l\u1ecd v\u00e0 ch\u1ee5p \u0111\u00e8n th\u1ee7y tinh gi\u00e1 r\u1ebb. N\u00f3 c\u0169ng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ec7 nh\u1ea5t cho h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi l\u1ed9 thi\u00ean.<\/p>\n

    V\u1edbi h\u1ec7 s\u1ed1 CTE l\u00e0 9.0 ppm\/\u00b0C v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c c\u01b0\u1eddng l\u1ef1c, th\u1ee7y tinh soda-lime ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u1eeb 20\u201330\u00b0C tr\u01b0\u1edbc khi \u1ee9ng su\u1ea5t nhi\u1ec7t g\u00e2y ra n\u1ee9t v\u1ee1. V\u00e0o m\u1ed9t bu\u1ed5i chi\u1ec1u h\u00e8, m\u1eb7t h\u01b0\u1edbng n\u1eafng c\u1ee7a m\u1ed9t qu\u1ea3 c\u1ea7u th\u1ee7y tinh soda-lime c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 60\u201370\u00b0C. Khi h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u00e0m \u01b0\u1edbt ch\u1ee5p \u0111\u00e8n b\u1eb1ng n\u01b0\u1edbc m\u00e1t, m\u1ee9c ch\u00eanh l\u1ec7ch c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 40\u00b0C ch\u1ec9 trong v\u00e0i gi\u00e2y. H\u1ecfng h\u00f3c kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 c\u00f3 x\u1ea3y ra hay kh\u00f4ng \u2014 m\u00e0 l\u00e0 sau bao nhi\u00eau chu k\u1ef3.<\/p>\n

    S\u1ee9c h\u00fat n\u1eb1m \u1edf gi\u00e1 c\u1ea3. Ch\u1ee5p \u0111\u00e8n thay th\u1ebf b\u1eb1ng th\u1ee7y tinh soda-lime c\u00f3 th\u1ec3 r\u1ebb h\u01a1n 50\u201370% so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng b\u1eb1ng borosilicate. Trong kho\u1ea3ng th\u1eddi gian ba n\u0103m \u1edf v\u00f9ng kh\u00ed h\u1eadu c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 theo m\u00f9a, h\u1ea7u h\u1ebft ng\u01b0\u1eddi mua \u0111\u1ec1u nh\u1eadn ra t\u1ed5ng chi ph\u00ed thay th\u1ebf v\u01b0\u1ee3t qu\u00e1 s\u1ed1 ti\u1ec1n h\u1ecd \u0111\u00e1ng l\u1ebd ph\u1ea3i tr\u1ea3 cho borosilicate ngay t\u1eeb \u0111\u1ea7u.<\/p>\n

    Nh\u1ef1a Polycarbonate \u2014 Khi th\u1ee7y tinh kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi<\/h3>\n

    Polycarbonate kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee7y tinh, nh\u01b0ng n\u00f3 xu\u1ea5t hi\u1ec7n trong c\u00e1c \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi \u0111\u1ee7 th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c so s\u00e1nh tr\u1ef1c ti\u1ebfp. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp, c\u1ef1c k\u1ef3 nh\u1eb9 v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 ph\u00e1 v\u1ee1 d\u01b0\u1edbi \u00e1p l\u1ef1c c\u01a1 h\u1ecdc. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng \u1edf khu v\u1ef1c c\u00f3 nguy c\u01a1 ph\u00e1 ho\u1ea1i cao, g\u1ea7n s\u00e2n th\u1ec3 thao ho\u1eb7c \u1edf nh\u1eefng n\u01a1i c\u00e0nh c\u00e2y r\u01a1i l\u00e0 m\u1ed1i nguy hi\u1ec3m, polycarbonate c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c.<\/p>\n

    Nh\u1eefng h\u1ea1n ch\u1ebf l\u00e0 r\u1ea5t \u0111\u00e1ng k\u1ec3: polycarbonate c\u00f3 h\u1ec7 s\u1ed1 CTE l\u00e0 65\u201370 ppm\/\u00b0C (g\u1ea5p hai m\u01b0\u01a1i l\u1ea7n so v\u1edbi borosilicate), g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c theo nhi\u1ec7t \u0111\u1ed9. Quan tr\u1ecdng h\u01a1n, polycarbonate b\u1ecb \u1ed1 v\u00e0ng v\u00e0 m\u1edd \u0111\u1ee5c d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a tia UV trong v\u00f2ng 3\u20137 n\u0103m ngay c\u1ea3 v\u1edbi l\u1edbp ph\u1ee7 ch\u1ed1ng tia UV, so v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tia UV g\u1ea7n nh\u01b0 v\u0129nh vi\u1ec5n c\u1ee7a borosilicate. Ti\u00eau chu\u1ea9n ti\u00eau chu\u1ea9n b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi IEC 60068-2-5<\/a> thi\u1ebft l\u1eadp chu\u1ea9n m\u1ef1c th\u1eed nghi\u1ec7m \u2014 h\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m polycarbonate \u0111\u1ec1u kh\u00f4ng \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n n\u00e0y.<\/p>\n

    \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ki\u1ebfn tr\u00fac ho\u1eb7c nh\u00e0 \u1edf cao c\u1ea5p n\u01a1i t\u00ednh th\u1ea9m m\u1ef9 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng l\u00e2u d\u00e0i, th\u1ee7y tinh borosilicate v\u01b0\u1ee3t tr\u1ed9i h\u01a1n polycarbonate \u1edf m\u1ecdi danh m\u1ee5c ngo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp.<\/p>\n

     <\/p>\n

    \n

    Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t k\u00ednh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u00e1nh s\u00e1ng<\/h2>\n

    Lo\u1ea1i k\u00ednh quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n. L\u1edbp ho\u00e0n thi\u1ec7n quy\u1ebft \u0111\u1ecbnh c\u00e1ch \u00e1nh s\u00e1ng th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng sau khi \u0111i qua ch\u1ee5p \u0111\u00e8n. \u0110\u00e2y l\u00e0 nh\u1eefng quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9c l\u1eadp \u2014 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u1ee7y tinh borosilicate v\u1edbi b\u1ea5t k\u1ef3 l\u1edbp ho\u00e0n thi\u1ec7n n\u00e0o, v\u00e0 m\u1ed9t l\u1edbp ho\u00e0n thi\u1ec7n kh\u00f4ng ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n s\u1ebd l\u00e0m l\u00e3ng ph\u00ed l\u01b0\u1ee3ng quang th\u00f4ng (lumen) \u0111\u00e1ng k\u1ec3.<\/p>\n

    K\u00ednh trong su\u1ed1t \u2014 Hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a, \u0110\u1ed9 dung th\u1ee9 t\u1ed1i thi\u1ec3u<\/h3>\n

    K\u00ednh trong su\u1ed1t truy\u1ec1n qua 88\u201392% \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn. \u0110\u00e2y l\u00e0 t\u00f9y ch\u1ecdn c\u00f3 hi\u1ec7u su\u1ea5t cao nh\u1ea5t v\u00e0 \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u1ea5t v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9: m\u1ecdi v\u1ebft khuy\u1ebft tr\u00ean b\u00f3ng \u0111\u00e8n, m\u1ecdi d\u1ea5u v\u00e2n tay tr\u00ean ch\u1ee5p \u0111\u00e8n, m\u1ecdi t\u00edch t\u1ee5 c\u00f4n tr\u00f9ng b\u00ean trong thi\u1ebft b\u1ecb \u0111\u1ec1u b\u1ecb ph\u01a1i b\u00e0y. Qu\u1ea3 c\u1ea7u k\u00ednh trong ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t v\u1edbi b\u00f3ng \u0111\u00e8n LED ki\u1ec3u d\u00e2y t\u00f3c, n\u01a1i ki\u1ebfn tr\u00fac d\u00e2y t\u00f3c l\u1ed9 thi\u00ean l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft k\u1ebf tr\u1ef1c quan.<\/p>\n

    Ngo\u00e0i tr\u1eddi, k\u00ednh trong su\u1ed1t c\u0169ng t\u1ea1o ra nhi\u1ec1u \u0111\u1ed9 ch\u00f3i nh\u1ea5t \u2014 m\u1ed9t y\u1ebfu t\u1ed1 \u0111\u00e1ng c\u00e2n nh\u1eafc trong c\u00e1c c\u00e0i \u0111\u1eb7t d\u00e2n d\u1ee5ng g\u1ea7n ranh gi\u1edbi t\u00e0i s\u1ea3n, ho\u1eb7c b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o m\u00e0 ti\u00eau chu\u1ea9n c\u1ee7a Hi\u1ec7p h\u1ed9i B\u1ea7u tr\u1eddi \u0110\u00eam Qu\u1ed1c t\u1ebf (International Dark-Sky Association) ch\u1ee9ng nh\u1eadn ph\u00ea duy\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng<\/a> c\u00e1c ti\u00eau ch\u00ed v\u1ec1 s\u1ef1 x\u00e2m nh\u1eadp \u00e1nh s\u00e1ng c\u00f3 li\u00ean quan.<\/p>\n

    K\u00ednh m\u1edd v\u00e0 K\u00ednh Opal \u2014 S\u1ef1 khu\u1ebfch t\u00e1n so v\u1edbi S\u1ef1 suy hao quang th\u00f4ng<\/h3>\n

    K\u00ednh m\u1edd truy\u1ec1n qua 70\u201380% \u00e1nh s\u00e1ng \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf t\u1ea7m nh\u00ecn tr\u1ef1c ti\u1ebfp v\u00e0o b\u00f3ng \u0111\u00e8n v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ch\u00f3i. L\u1edbp m\u1edd n\u00e0y c\u00f3 th\u1ec3 l\u00e0 b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng axit ho\u1eb7c b\u1ec1 m\u1eb7t phun c\u00e1t. K\u00ednh m\u1edd x\u1eed l\u00fd b\u1eb1ng axit m\u1ecbn h\u01a1n v\u00e0 d\u1ec5 v\u1ec7 sinh h\u01a1n; l\u1edbp ho\u00e0n thi\u1ec7n phun c\u00e1t c\u00f3 t\u00ednh ch\u1ea5t m\u1edd h\u01a1n nh\u01b0ng d\u1ec5 b\u00e1m b\u1ee5i b\u1ea9n \u1edf b\u1ec1 m\u1eb7t c\u00f3 k\u1ebft c\u1ea5u.<\/p>\n

    K\u00ednh opal \u2014 m\u1ed9t c\u00f4ng th\u1ee9c b\u00e1n m\u1edd v\u1edbi c\u00e1c h\u1ea1t keo l\u01a1 l\u1eedng trong ma tr\u1eadn th\u1ee7y tinh \u2014 truy\u1ec1n qua 55\u201370% \u00e1nh s\u00e1ng nh\u01b0ng t\u1ea1o ra v\u1ebb ngo\u00e0i ph\u00e1t s\u00e1ng c\u1ef1c k\u1ef3 \u0111\u1ed3ng \u0111\u1ec1u. \u0110\u00e2y l\u00e0 l\u1edbp ho\u00e0n thi\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh nh\u1ea5t cho \u0111\u00e8n l\u1ed3ng ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 thi\u1ebft b\u1ecb ki\u1ec3u \u0111\u00e8n kh\u00ed. S\u1ef1 suy hao quang th\u00f4ng so v\u1edbi k\u00ednh trong su\u1ed1t l\u00e0 kh\u00e1 \u0111\u00e1ng k\u1ec3; n\u1ebfu b\u1ea1n \u0111ang ch\u1ecdn k\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb cho chi\u1ebfu s\u00e1ng t\u00e1c v\u1ee5 (l\u1ed1i \u0111i, an ninh), h\u00e3y b\u00f9 \u0111\u1eafp cho t\u1ed5n th\u1ea5t c\u1ee7a k\u00ednh opal b\u1eb1ng c\u00e1ch ch\u1ec9 \u0111\u1ecbnh m\u1ed9t b\u00f3ng \u0111\u00e8n s\u00e1ng h\u01a1n.<\/p>\n\n\n\n\n\n\n\n\n\n
    L\u1edbp ho\u00e0n thi\u1ec7n k\u00ednh<\/th>\n\u0110\u1ed9 truy\u1ec1n s\u00e1ng<\/th>\nCh\u1ec9 s\u1ed1 ch\u00f3i<\/th>\n\u1ee8ng d\u1ee5ng T\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n
    Trong su\u1ed1t<\/td>\n88\u201392%<\/td>\nCao<\/td>\nD\u00e2y t\u00f3c trang tr\u00ed, c\u00e0i \u0111\u1eb7t ch\u1ed1ng ch\u00f3i th\u1ea5p<\/td>\n<\/tr>\n
    M\u1edd kh\u1eafc axit<\/td>\n70\u201380%<\/td>\nTh\u1ea5p<\/td>\nHi\u00ean nh\u00e0 v\u00e0 l\u1ed1i \u0111i chung<\/td>\n<\/tr>\n
    Phun c\u00e1t m\u1edd<\/td>\n68\u201378%<\/td>\nTh\u1ea5p<\/td>\nThi\u1ebft b\u1ecb m\u1ed9c m\u1ea1c \/ c\u00f4ng nghi\u1ec7p<\/td>\n<\/tr>\n
    Opal<\/td>\n55\u201370%<\/td>\nR\u1ea5t th\u1ea5p<\/td>\n\u0110\u00e8n l\u1ed3ng ki\u1ebfn tr\u00fac, phong c\u00e1ch c\u1ed5 \u0111i\u1ec3n<\/td>\n<\/tr>\n
    C\u00f3 h\u1ea1t\/c\u00f3 v\u00e2n<\/td>\n75\u201385%<\/td>\nTrung b\u00ecnh<\/td>\nNh\u00e0 v\u01b0\u1eddn, th\u1ee7 c\u00f4ng, c\u1ed5 \u0111i\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    K\u00ednh c\u00f3 h\u1ea1t, k\u00ednh g\u00e2n v\u00e0 k\u00ednh c\u00f3 v\u00e2n \u2014 \u0110\u1ed9 b\u1ec1n th\u1ea9m m\u1ef9<\/h3>\n

    K\u00ednh c\u00f3 h\u1ea1t ch\u1ee9a c\u00e1c b\u1ecdt kh\u00ed nh\u1ecf \u0111\u01b0\u1ee3c ch\u1ee7 \u00fd t\u1ea1o ra trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng mang phong c\u00e1ch c\u1ed5 \u0111i\u1ec3n. K\u00ednh g\u00e2n v\u00e0 k\u00ednh r\u00e3nh s\u1eed d\u1ee5ng h\u00ecnh h\u1ecdc b\u1ec1 m\u1eb7t \u0111\u1ec3 t\u1ea1o ra c\u00e1c hi\u1ec7u \u1ee9ng \u00e1nh s\u00e1ng tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t xung quanh. C\u00e1c l\u1edbp ho\u00e0n thi\u1ec7n c\u00f3 v\u00e2n n\u00e0y truy\u1ec1n qua 75\u201385% \u00e1nh s\u00e1ng (n\u1eb1m gi\u1eefa k\u00ednh trong v\u00e0 k\u00ednh m\u1edd), t\u1ea1o ra s\u1ef1 khu\u1ebfch t\u00e1n m\u1ec1m m\u1ea1i m\u00e0 kh\u00f4ng g\u00e2y ch\u00f3i l\u00f3a \u0111\u00e1ng k\u1ec3, \u0111\u1ed3ng th\u1eddi c\u00f3 xu h\u01b0\u1edbng che gi\u1ea5u b\u1ee5i b\u1ea9n t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn b\u1ec1 m\u1eb7t nh\u1eb5n \u2014 m\u1ed9t \u01b0u \u0111i\u1ec3m th\u1ef1c t\u1ebf khi s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi m\u00e0 hi\u1ebfm khi xu\u1ea5t hi\u1ec7n trong m\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m.<\/p>\n

    K\u00ednh c\u00f3 v\u00e2n c\u0169ng che \u0111i c\u00e1c v\u1ebft x\u01b0\u1edbc vi m\u00f4 t\u00edch t\u1ee5 t\u1eeb vi\u1ec7c v\u1ec7 sinh thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi qua nhi\u1ec1u n\u0103m, bi\u1ebfn n\u00f3 th\u00e0nh l\u1ef1a ch\u1ecdn \u00edt ph\u1ea3i b\u1ea3o tr\u00ec h\u01a1n cho c\u00e1c v\u1ecb tr\u00ed l\u1ed9 thi\u00ean n\u01a1i \u00edt khi \u0111\u01b0\u1ee3c v\u1ec7 sinh.<\/p>\n

    \n

    H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn theo v\u00f9ng kh\u00ed h\u1eadu<\/h2>\n

    Kh\u00ed h\u1eadu l\u00e0 bi\u1ebfn s\u1ed1 quan tr\u1ecdng nh\u1ea5t khi l\u1ef1a ch\u1ecdn lo\u1ea1i k\u00ednh t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi. M\u1ed9t chi\u1ebfc chao \u0111\u00e8n ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o \u1edf v\u00f9ng duy\u00ean h\u1ea3i California s\u1ebd h\u1ecfng \u1edf Minneapolis. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch k\u1ebft h\u1ee3p lo\u1ea1i k\u00ednh v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n.<\/p>\n

    \"Chao <\/p>\n

    Kh\u00ed h\u1eadu \u0111\u00f3ng b\u0103ng-tan b\u0103ng (V\u00f9ng USDA 1\u20135)<\/h3>\n

    \u0110\u00e2y l\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u1ea5t \u0111\u1ed1i v\u1edbi k\u00ednh ngo\u00e0i tr\u1eddi. Nhi\u1ec7t \u0111\u1ed9 dao \u0111\u1ed9ng t\u1eeb -30\u00b0C v\u00e0o m\u00f9a \u0111\u00f4ng \u0111\u1ebfn +40\u00b0C v\u00e0o m\u00f9a h\u00e8. M\u01b0a v\u00e0 h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau t\u1ea1o ra s\u1ed1c nhi\u1ec7t nhanh ch\u00f3ng \u0111\u1ed1i v\u1edbi m\u1eb7t k\u00ednh \u0111\u01b0\u1ee3c nung n\u00f3ng b\u1edfi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi. Tuy\u1ebft t\u00edch t\u1ee5 tr\u00ean \u0111\u1ec9nh thi\u1ebft b\u1ecb t\u1ea1o ra c\u00e1c \u0111i\u1ec3m l\u1ea1nh c\u1ee5c b\u1ed9 trong khi b\u00ean trong \u0111\u00e8n \u1ea5m l\u00ean.<\/p>\n

    Y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c: k\u00ednh borosilicate.<\/strong> Kh\u00f4ng c\u00f3 lo\u1ea1i k\u00ednh n\u00e0o kh\u00e1c x\u1eed l\u00fd \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00ed h\u1eadu n\u00e0y th\u01b0\u1eddng xuy\u00ean t\u1ea1o ra. Theo ti\u00eau chu\u1ea9n k\u00ednh x\u1eed l\u00fd nhi\u1ec7t ASTM C1048<\/a> , ngay c\u1ea3 k\u00ednh c\u01b0\u1eddng l\u1ef1c c\u0169ng ch\u1ec9 \u0111\u01b0\u1ee3c ki\u1ec3m tra \u1edf m\u1ee9c ch\u00eanh l\u1ec7ch 40\u00b0C \u2014 m\u1ed9t ng\u01b0\u1ee1ng m\u00e0 m\u00f9a \u0111\u00f4ng \u1edf Minneapolis c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 ch\u1ec9 trong m\u1ed9t tr\u1eadn m\u01b0a.<\/p>\n

    Trong th\u1ef1c t\u1ebf: h\u00e3y ch\u1ec9 \u0111\u1ecbnh r\u00f5 k\u00ednh borosilicate khi \u0111\u1eb7t h\u00e0ng. N\u1ebfu nh\u00e0 cung c\u1ea5p kh\u00f4ng th\u1ec3 x\u00e1c nh\u1eadn lo\u1ea1i k\u00ednh, h\u00e3y coi \u0111\u00f3 l\u00e0 k\u00ednh soda-lime v\u00e0 t\u00ecm nh\u00e0 cung c\u1ea5p kh\u00e1c.<\/p>\n

    M\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n v\u00e0 kh\u00f4ng kh\u00ed nhi\u1ec5m m\u1eb7n<\/h3>\n

    M\u1ed1i \u0111e d\u1ecda ch\u00ednh \u1edf \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1c nhi\u1ec7t \u2014 m\u00e0 l\u00e0 s\u1ef1 t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc. Mu\u1ed1i d\u1ea1ng aerosol ph\u1ea3n \u1ee9ng v\u1edbi b\u1ec1 m\u1eb7t ki\u1ec1m c\u1ee7a k\u00ednh soda-lime theo th\u1eddi gian, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1edd b\u1ec1 m\u1eb7t d\u1ea7n d\u1ea7n (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0103n m\u00f2n k\u00ednh ho\u1eb7c kh\u1eed ki\u1ec1m). H\u00e0m l\u01b0\u1ee3ng ki\u1ec1m th\u1ea5p h\u01a1n c\u1ee7a borosilicate gi\u00fap lo\u1ea1i k\u00ednh n\u00e0y ch\u1ed1ng l\u1ea1i s\u1ef1 xu\u1ed1ng c\u1ea5p n\u00e0y t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n

    V\u1ea5n \u0111\u1ec1 ph\u1ee5: nhi\u1ec7t \u0111\u1ed9 v\u00f9ng ven bi\u1ec3n th\u01b0\u1eddng \u00f4n h\u00f2a, gi\u00fap k\u00ednh c\u01b0\u1eddng l\u1ef1c kh\u1ea3 thi v\u1ec1 m\u1eb7t hi\u1ec7u su\u1ea5t nhi\u1ec7t. Nh\u01b0ng m\u1ed1i\u03c8 quan t\u00e2m v\u1ec1 h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t v\u1eabn nghi\u00eang v\u1ec1 borosilicate. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t trong ph\u1ea1m vi 300 m\u00e9t t\u00ednh t\u1eeb b\u1edd bi\u1ec3n, borosilicate l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c. V\u01b0\u1ee3t qu\u00e1 300 m\u00e9t, k\u00ednh c\u01b0\u1eddng l\u1ef1c c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u1edbi vi\u1ec7c v\u1ec7 sinh h\u00e0ng n\u0103m.<\/p>\n

    Ch\u1ec9 s\u1ed1 IP c\u1ee7a thi\u1ebft b\u1ecb \u2014 ch\u1ec9 s\u1ed1 b\u1ea3o v\u1ec7 ch\u1ed1ng x\u00e2m nh\u1eadp \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi ti\u00eau chu\u1ea9n IEC 60529<\/a> \u2014 t\u1ed1i thi\u1ec3u ph\u1ea3i l\u00e0 IP55 \u0111\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed ven bi\u1ec3n l\u1ed9 thi\u00ean. Lo\u1ea1i k\u00ednh v\u00e0 ch\u1ec9 s\u1ed1 IP gi\u1ea3i quy\u1ebft c\u00e1c d\u1ea1ng h\u1ecfng h\u00f3c kh\u00e1c nhau; c\u1ea3 hai \u0111\u1ec1u quan tr\u1ecdng m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp.<\/p>\n

    V\u00f9ng sa m\u1ea1c v\u00e0 c\u00f3 b\u1ee9c x\u1ea1 UV cao<\/h3>\n

    M\u00f4i tr\u01b0\u1eddng sa m\u1ea1c k\u1ebft h\u1ee3p nhi\u1ec7t b\u1ee9c x\u1ea1 c\u1ef1c l\u1edbn (nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t k\u00ednh t\u1eeb 80\u00b0C tr\u1edf l\u00ean d\u01b0\u1edbi \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn), ch\u1ec9 s\u1ed1 UV cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m \u0111\u1ed9t ng\u1ed9t sau khi m\u1eb7t tr\u1eddi l\u1eb7n. V\u1ea5n \u0111\u1ec1 v\u1ec1 tia UV lo\u1ea1i b\u1ecf polycarbonate ra kh\u1ecfi danh s\u00e1ch l\u1ef1a ch\u1ecdn kh\u1ea3 thi. V\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t lo\u1ea1i b\u1ecf th\u1ee7y tinh soda-lime.<\/p>\n

    M\u1ed9t \u0111i\u1ec3m tinh t\u1ebf c\u1ee5 th\u1ec3 \u0111\u1ed1i v\u1edbi kh\u00ed h\u1eadu sa m\u1ea1c: thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng m\u00e0u t\u1ed1i h\u1ea5p th\u1ee5 nhi\u1ec7t b\u1ee9c x\u1ea1 nhi\u1ec1u h\u01a1n thi\u1ebft b\u1ecb m\u00e0u s\u00e1ng, l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t k\u00ednh v\u00e0 gia t\u0103ng \u0111\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t khi kh\u00f4ng kh\u00ed \u0111\u00eam m\u00e1t m\u1ebb tr\u00e0n v\u1ec1. Trong kh\u00ed h\u1eadu sa m\u1ea1c c\u00f3 tia UV cao, th\u1ee7y tinh borosilicate trong m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 l\u1edbp ho\u00e0n thi\u1ec7n s\u00e1ng m\u00e0u l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p t\u1ed1i \u01b0u.<\/p>\n

    C\u1eadn nhi\u1ec7t \u0111\u1edbi \u1ea9m (Hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 quanh n\u0103m)<\/h3>\n

    Khu v\u1ef1c ven bi\u1ec3n v\u1ecbnh, \u0110\u00f4ng Nam n\u01b0\u1edbc ta v\u00e0 c\u00e1c v\u00f9ng kh\u00ed h\u1eadu t\u01b0\u01a1ng t\u1ef1 c\u00f3 m\u1ed9t d\u1ea1ng h\u01b0 h\u1ecfng kh\u00e1c: \u0111\u1ed9 \u1ea9m cao li\u00ean t\u1ee5c g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 b\u00ean trong c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng k\u00edn, v\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa ph\u1ea7n b\u00ean trong \u0111\u01b0\u1ee3c nung n\u00f3ng b\u1edfi b\u00f3ng \u0111\u00e8n v\u00e0 ph\u1ea7n b\u00ean ngo\u00e0i \u1ea9m \u01b0\u1edbt t\u1ea1o ra \u1ee9ng su\u1ea5t nhi\u1ec7t v\u1eeba ph\u1ea3i nh\u01b0ng li\u00ean t\u1ee5c. Hi\u1ec7u \u1ee9ng t\u00edch l\u0169y l\u00e0 r\u1ea5t \u0111\u00e1ng k\u1ec3 ngay c\u1ea3 khi \u0111\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh \u0111i\u1ec3m \u1edf m\u1ee9c v\u1eeba ph\u1ea3i.<\/p>\n

    Th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c trong kh\u00ed h\u1eadu n\u00e0y \u2014 \u0111\u1ed9 ch\u00eanh l\u1ec7ch hi\u1ebfm khi v\u01b0\u1ee3t qu\u00e1 50\u00b0C. Tuy nhi\u00ean, \u0111\u1ed9 \u1ea9m c\u0169ng l\u00e0m xu\u1ed1ng c\u1ea5p c\u00e1c ph\u1ee5 ki\u1ec7n kim lo\u1ea1i, cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u00fang b\u1ecb h\u1ecfng v\u00e0 l\u00e0m cho k\u00ednh b\u1ecb l\u1ec7ch ho\u1eb7c r\u01a1i xu\u1ed1ng. \u1ede kh\u00ed h\u1eadu c\u1eadn nhi\u1ec7t \u0111\u1edbi \u1ea9m, tu\u1ed5i th\u1ecd c\u1ee7a k\u00ednh th\u01b0\u1eddng b\u1ecb gi\u1edbi h\u1ea1n kh\u00f4ng ph\u1ea3i do ch\u00ednh t\u1ea5m k\u00ednh m\u00e0 do c\u00e1c ph\u1ea7n c\u1ee9ng c\u1ee7a thi\u1ebft b\u1ecb xung quanh n\u00f3. Vi\u1ec7c ki\u1ec3m tra ph\u1ea7n c\u1ee9ng h\u00e0ng n\u0103m c\u0169ng quan tr\u1ecdng nh\u01b0 vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i k\u00ednh.<\/p>\n

    \n

    C\u00e1ch X\u00e1c \u0110\u1ecbnh Lo\u1ea1i K\u00ednh B\u1ea1n \u0110ang C\u00f3<\/h2>\n

    Tr\u01b0\u1edbc khi thay th\u1ebf m\u1ed9t ch\u1ee5p \u0111\u00e8n ngo\u00e0i vi\u1ec7c h\u1ecfng, b\u1ea1n n\u00ean x\u00e1c \u0111\u1ecbnh xem m\u00ecnh \u0111ang thay th\u1ebf c\u00e1i g\u00ec \u2014 \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p (n\u1ebfu n\u00f3 b\u1ec1n) ho\u1eb7c n\u00e2ng c\u1ea5p (n\u1ebfu n\u00f3 kh\u00f4ng b\u1ec1n).<\/p>\n

    Ki\u1ec3m Tra B\u1eb1ng Ti\u1ebfng G\u00f5 v\u00e0 Ki\u1ec3m Tra Ph\u1ea3n \u1ee8ng Nhi\u1ec7t<\/h3>\n

    Ki\u1ec3m tra b\u1eb1ng ti\u1ebfng g\u00f5:<\/strong> G\u00f5 nh\u1eb9 v\u00e0o k\u00ednh b\u1eb1ng m\u00f3ng tay ho\u1eb7c m\u1ed9t thanh kim lo\u1ea1i nh\u1ecf. Th\u1ee7y tinh borosilicate t\u1ea1o ra ti\u1ebfng k\u00eau trong, gi\u1ed1ng ti\u1ebfng chu\u00f4ng. Th\u1ee7y tinh soda-lime t\u1ea1o ra \u00e2m thanh \u0111\u1ee5c h\u01a1n v\u00e0 ng\u1eafn h\u01a1n. Th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c n\u1eb1m \u1edf kho\u1ea3ng gi\u1eefa. Ki\u1ec3m tra n\u00e0y mang t\u00ednh kh\u00f4ng ch\u00ednh th\u1ee9c nh\u01b0ng \u0111\u00e1ng ng\u1ea1c nhi\u00ean trong vi\u1ec7c ph\u00e2n bi\u1ec7t borosilicate v\u1edbi soda-lime m\u1ed9t khi b\u1ea1n \u0111\u00e3 nghe th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t tr\u00ean c\u00e1c m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn.<\/p>\n

    Ki\u1ec3m tra ph\u1ea3n \u1ee9ng nhi\u1ec7t:<\/strong> Trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t (nh\u00e0 x\u01b0\u1edfng, kh\u00f4ng ph\u1ea3i ngo\u00e0i tr\u1eddi), h\u00e3y l\u00e0m \u1ea5m m\u1ed9t g\u00f3c k\u00ednh \u0111\u1ebfn 50\u00b0C b\u1eb1ng s\u00fang nhi\u1ec7t v\u00e0 \u00e1p m\u1ed9t chi\u1ebfc kh\u0103n \u1ea9m m\u00e1t l\u00ean. Borosilicate ch\u1ecbu \u0111\u01b0\u1ee3c vi\u1ec7c n\u00e0y m\u00e0 kh\u00f4ng b\u1ecb \u1ed1 \u1ee9ng su\u1ea5t. Th\u1ee7y tinh soda-lime th\u01b0\u1eddng cho th\u1ea5y m\u1ed9t d\u1ea1ng \u1ee9ng su\u1ea5t t\u1ea1m th\u1eddi c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y d\u01b0\u1edbi \u00e1nh s\u00e1ng ph\u00e2n c\u1ef1c. \u0110\u00e2y l\u00e0 b\u00e0i ki\u1ec3m tra mang t\u00ednh t\u00f2 m\u00f2, kh\u00f4ng ph\u1ea3i quy\u1ebft \u0111\u1ecbnh mua h\u00e0ng \u2014 k\u1ebft qu\u1ea3 mang t\u00ednh tr\u1ef1c quan, kh\u00f4ng ph\u1ea3i \u0111\u1ecbnh l\u01b0\u1ee3ng.<\/p>\n

    \u0110\u1ecdc K\u00fd Hi\u1ec7u C\u1ee7a Nh\u00e0 S\u1ea3n Xu\u1ea5t<\/h3>\n

    C\u00e1c lo\u1ea1i ch\u1ee5p \u0111\u00e8n b\u1eb1ng th\u1ee7y tinh borosilicate ch\u1ea5t l\u01b0\u1ee3ng t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 uy t\u00edn th\u01b0\u1eddng c\u00f3 m\u1ed9t d\u1ea5u kh\u1eafc axit nh\u1ecf ho\u1eb7c d\u1ea5u kh\u1eafc ch\u00ecm cho bi\u1ebft lo\u1ea1i k\u00ednh. H\u00e3y t\u00ecm \u1edf g\u1ea7n v\u00e0nh l\u1eafp ho\u1eb7c \u1edf m\u1eb7t trong c\u1ee7a \u0111\u1ebf. C\u00e1c k\u00fd hi\u1ec7u c\u1ea7n t\u00ecm: \u201cBOROSILICATE,\u201d \u201cPYREX-TYPE,\u201d \u201cBORO 3.3,\u201d ho\u1eb7c m\u00e3 nh\u00e0 s\u1ea3n xu\u1ea5t tham chi\u1ebfu \u0111\u1ebfn d\u00f2ng s\u1ea3n ph\u1ea9m borosilicate c\u1ee7a h\u1ecd.<\/p>\n

    Vi\u1ec7c kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 k\u00fd hi\u1ec7u n\u00e0o th\u01b0\u1eddng cho th\u1ea5y \u0111\u00f3 l\u00e0 th\u1ee7y tinh soda-lime ho\u1eb7c th\u00e0nh ph\u1ea7n kh\u00f4ng x\u00e1c \u0111\u1ecbnh. H\u00e3y coi th\u1ee7y tinh kh\u00f4ng c\u00f3 nh\u00e3n l\u00e0 soda-lime cho c\u00e1c m\u1ee5c \u0111\u00edch th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n

    Khi N\u00e0o Th\u00f4ng S\u1ed1 Thay Th\u1ebf Quan Tr\u1ecdng<\/h3>\n

    N\u1ebfu ch\u1ee5p \u0111\u00e8n ban \u0111\u1ea7u k\u00e9o d\u00e0i h\u01a1n 10 n\u0103m, h\u00e3y ch\u1ecdn \u0111\u00fang lo\u1ea1i k\u00ednh b\u1ea5t k\u1ec3 chi ph\u00ed. N\u1ebfu n\u00f3 h\u1ecfng trong v\u00f2ng 3 n\u0103m, h\u00e3y n\u00e2ng c\u1ea5p. M\u1ed9t d\u1eef li\u1ec7u h\u1eefu \u00edch: b\u00e1o c\u00e1o th\u1ecb tr\u01b0\u1eddng chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi to\u00e0n c\u1ea7u c\u1ee7a Statista<\/a> theo d\u00f5i s\u1edf th\u00edch v\u1ec1 v\u1eadt li\u1ec7u tr\u00ean c\u00e1c thi\u1ebft b\u1ecb cao c\u1ea5p \u2014 s\u1ef1 chuy\u1ec3n d\u1ecbch sang th\u1ee7y tinh borosilicate v\u00e0 th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c trong ph\u00e2n kh\u00fac ngo\u00e0i tr\u1eddi d\u00e2n d\u1ee5ng \u0111\u00e3 di\u1ec5n ra li\u00ean t\u1ee5c trong th\u1eadp k\u1ef7 qua, b\u1eaft ngu\u1ed3n ch\u00ednh x\u00e1c t\u1eeb nh\u1eefng ph\u00e0n n\u00e0n v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m thay th\u1ebf b\u1eb1ng soda-lime.<\/p>\n

    \n

    K\u1ebft H\u1ee3p K\u00ednh V\u1edbi Lo\u1ea1i Thi\u1ebft B\u1ecb Chi\u1ebfu S\u00e1ng<\/h2>\n

    Lo\u1ea1i k\u00ednh t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch l\u1eafp \u0111\u1eb7t chao \u0111\u00e8n v\u00e0 c\u00e1ch h\u01b0\u1edbng c\u1ee7a b\u1ed9 \u0111\u00e8n \u2014 nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ee9ng su\u1ea5t nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc th\u1ef1c t\u1ebf m\u00e0 k\u00ednh ph\u1ea3i ch\u1ecbu.<\/p>\n

    \u0110\u00e8n c\u1ed9t v\u00e0 \u0110\u00e8n g\u1eafn tr\u1ee5<\/h3>\n

    C\u00e1c b\u1ed9 \u0111\u00e8n g\u1eafn tr\u00ean c\u1ed9t n\u1eb1m ho\u00e0n to\u00e0n l\u1ed9 thi\u00ean \u1edf tr\u00ean c\u00f9ng c\u1ee7a v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, ti\u1ebfp x\u00fac v\u1edbi th\u1eddi ti\u1ebft 360\u00b0 v\u00e0 kh\u00f4ng c\u00f3 m\u00e1i che ph\u00eda tr\u00ean. Ch\u00fang ch\u1ecbu to\u00e0n b\u1ed9 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111\u1ed9 \u2014 \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp, m\u01b0a, gi\u00f3, tuy\u1ebft. Th\u1ee7y tinh borosilicate l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng c\u00f3 ngo\u1ea1i l\u1ec7. C\u00e1c qu\u1ea3 c\u1ea7u tr\u00ean \u0111\u00e8n c\u1ed9t c\u0169ng l\u00e0 nh\u1eefng v\u1eadt d\u1ee5ng d\u1ec5 b\u1ecb h\u1ecfng nh\u1ea5t do thi\u1ebft b\u1ecb l\u00e0m c\u1ecf v\u00e0 ng\u01b0\u1eddi \u0111i b\u1ed9 va ph\u1ea3i, v\u00ec v\u1eady h\u00e3y c\u00e2n nh\u1eafc b\u1ec1 m\u1eb7t c\u00f3 v\u00e2n s\u1ea7n ho\u1eb7c g\u00e2n n\u1ed5i thay v\u00ec trong su\u1ed1t \u0111\u1ec3 che m\u1ed9t ph\u1ea7n c\u00e1c v\u1ebft x\u01b0\u1edbc b\u1ec1 m\u1eb7t nh\u1ecf.<\/p>\n

    K\u00edch th\u01b0\u1edbc mi\u1ec7ng l\u1eafp tr\u00ean \u0111\u00e8n c\u1ed9t th\u01b0\u1eddng l\u00e0 3,25\u2033 ho\u1eb7c 4\u2033 \u2014 h\u00e3y x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, v\u00ec ch\u00fang kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau v\u00e0 m\u1ed9t qu\u1ea3 c\u1ea7u kh\u00f4ng kh\u1edbp s\u1ebd truy\u1ec1n \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc kh\u00f4ng \u0111\u1ec1u sang v\u00e0nh.<\/p>\n

    \u0110\u00e8n l\u1ed3ng g\u1eafn t\u01b0\u1eddng v\u00e0 \u0110\u00e8n \u1ed1p t\u01b0\u1eddng<\/h3>\n

    C\u00e1c b\u1ed9 \u0111\u00e8n g\u1eafn t\u01b0\u1eddng c\u00f3 m\u1ed9t m\u1eb7t h\u01b0\u1edbng v\u00e0o c\u1ea5u tr\u00fac (\u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi m\u01b0a v\u00e0 gi\u00f3 tr\u1ef1c ti\u1ebfp) v\u00e0 m\u1ed9t m\u1eb7t l\u1ed9 thi\u00ean. \u0110\u1ed9 gradient nhi\u1ec7t th\u1ea5p h\u01a1n \u0111\u00e8n c\u1ed9t. K\u00ednh c\u01b0\u1eddng l\u1ef1c kh\u1ea3 thi \u1edf v\u00f9ng kh\u00ed h\u1eadu \u00f4n h\u00f2a; th\u1ee7y tinh borosilicate v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c v\u00f9ng \u0111\u00f3ng b\u0103ng-tan b\u0103ng v\u00e0 c\u00f3 b\u1ee9c x\u1ea1 UV cao. M\u1eb7t \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u0169ng c\u00f3 ngh\u0129a l\u00e0 vi\u1ec7c v\u1ec7 sinh d\u1ec5 d\u00e0ng h\u01a1n, gi\u00fap c\u00e1c b\u1ec1 m\u1eb7t m\u1edd nh\u1eb5n d\u1ec5 duy tr\u00ec h\u01a1n.<\/p>\n

    \u0110\u00e8n th\u1ea3 tr\u1ea7n v\u00e0 \u0110\u00e8n treo ngo\u00e0i tr\u1eddi<\/h3>\n

    C\u00e1c b\u1ed9 \u0111\u00e8n th\u1ea3 treo d\u00e0nh cho hi\u00ean nh\u00e0 c\u00f3 m\u00e1i che ho\u1eb7c gi\u00e0n hoa ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 che ch\u1eafn l\u1edbn nh\u1ea5t trong s\u1ed1 c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi. C\u1ea5u tr\u00fac ph\u00eda tr\u00ean ch\u1eb7n m\u01b0a tr\u1ef1c ti\u1ebfp v\u00e0 gi\u1ea3m ti\u1ebfp x\u00fac t\u1ed1i \u0111a v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Trong b\u1ed1i c\u1ea3nh \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 n\u00e0y, k\u00ednh c\u01b0\u1eddng l\u1ef1c th\u00edch h\u1ee3p \u1edf h\u1ea7u h\u1ebft c\u00e1c v\u00f9ng kh\u00ed h\u1eadu v\u00e0 th\u1ee7y tinh soda-lime ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u1edf m\u1ee9c \u0111\u1ed9 t\u1ed1i thi\u1ec3u \u0111\u1ed1i v\u1edbi v\u00f9ng kh\u00ed h\u1eadu \u00f4n h\u00f2a kh\u00f4ng c\u00f3 chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan b\u0103ng. T\u00ednh th\u1ea9m m\u1ef9 c\u1ee7a c\u00e1c b\u1ed9 \u0111\u00e8n n\u00e0y th\u01b0\u1eddng chi ph\u1ed1i vi\u1ec7c l\u1ef1a ch\u1ecdn l\u1edbp ho\u00e0n thi\u1ec7n h\u01a1n l\u00e0 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u \u2014 v\u00e0 \u0111i\u1ec1u \u0111\u00f3 l\u00e0 h\u1ee3p l\u00fd khi m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t h\u1ed7 tr\u1ee3 \u0111i\u1ec1u \u0111\u00f3.<\/p>\n

    \n

    T\u01b0\u01a1ng lai c\u1ee7a k\u00ednh chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi (T\u1eeb n\u0103m 2026 tr\u1edf \u0111i)<\/h2>\n

    Hai s\u1ef1 ph\u00e1t tri\u1ec3n \u0111ang b\u1eaft \u0111\u1ea7u thay \u0111\u1ed5i c\u00e1ch l\u1ef1a ch\u1ecdn v\u00e0 s\u1ea3n xu\u1ea5t lo\u1ea1i k\u00ednh t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi.<\/p>\n

    K\u00ednh th\u00f4ng minh v\u00e0 L\u1edbp ph\u1ee7 \u0111i\u1ec7n s\u1eafc<\/h3>\n

    K\u00ednh \u0111i\u1ec7n s\u1eafc \u2014 lo\u1ea1i k\u00ednh thay \u0111\u1ed5i \u0111\u1ed9 m\u1edd \u0111\u1ec3 \u0111\u00e1p \u1ee9ng t\u00edn hi\u1ec7u \u0111i\u1ec7n \u2014 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong k\u00ednh ki\u1ebfn tr\u00fac nhi\u1ec1u n\u0103m nay. C\u00e1c phi\u00ean b\u1ea3n thu nh\u1ecf \u0111ang b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u1ed9 \u0111\u00e8n ngo\u00e0i tr\u1eddi cao c\u1ea5p, cho ph\u00e9p chao \u0111\u00e8n chuy\u1ec3n t\u1eeb trong su\u1ed1t sang m\u1edd theo b\u1ed9 h\u1eb9n gi\u1edd ho\u1eb7c k\u00edch ho\u1ea1t c\u1ea3m bi\u1ebfn. Ch\u1ea5t n\u1ec1n k\u00ednh cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y th\u01b0\u1eddng l\u00e0 borosilicate, v\u00ec l\u1edbp \u0111i\u1ec7n s\u1eafc y\u00eau c\u1ea7u v\u1eadt li\u1ec7u n\u1ec1n c\u00f3 k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 tr\u00e1nh b\u1ecb t\u00e1ch l\u1edbp d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a chu k\u1ef3 nhi\u1ec7t.<\/p>\n

    Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong khu d\u00e2n c\u01b0 s\u1ebd di\u1ec5n ra sau 3\u20135 n\u0103m n\u1eefa. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf \u0111ang th\u1ef1c hi\u1ec7n c\u00e1c d\u1ef1 \u00e1n c\u00f3 t\u1ea7m nh\u00ecn thi\u1ebft k\u1ebf 10 n\u0103m, c\u00e1c ch\u1ea5t n\u1ec1n borosilicate s\u1eb5n s\u00e0ng t\u00edch h\u1ee3p \u0111i\u1ec7n s\u1eafc r\u1ea5t \u0111\u00e1ng \u0111\u1ec3 theo d\u00f5i.<\/p>\n

    Ngu\u1ed3n cung \u1ee9ng k\u00ednh sinh h\u1ecdc v\u00e0 k\u00ednh t\u00e1i ch\u1ebf<\/h3>\n

    \u00c1p l\u1ef1c t\u1eeb ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 l\u01b0\u1ee3ng carbon h\u00e0m l\u01b0\u1ee3ng th\u1ea5p \u0111ang lan r\u1ed9ng \u0111\u1ebfn l\u0129nh v\u1ef1c chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi. Th\u1ee7y tinh borosilicate c\u00f3 ch\u1ee9a th\u00e0nh ph\u1ea7n t\u00e1i ch\u1ebf \u2014 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb ph\u1ebf li\u1ec7u th\u1ee7y tinh ph\u00f2ng th\u00ed nghi\u1ec7m h\u1eadu c\u00f4ng nghi\u1ec7p \u2014 \u0111ang \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u00edt nh\u00e0 s\u1ea3n xu\u1ea5t ch\u00e2u \u00c2u cung c\u1ea5p nh\u01b0 m\u1ed9t t\u00f9y ch\u1ecdn cao c\u1ea5p. Hi\u1ec7u su\u1ea5t quang h\u1ecdc v\u00e0 nhi\u1ec7t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi th\u1ee7y tinh borosilicate nguy\u00ean sinh; chu\u1ed7i cung \u1ee9ng b\u1ecb h\u1ea1n ch\u1ebf h\u01a1n v\u00e0 th\u1eddi gian giao h\u00e0ng l\u00e2u h\u01a1n.<\/p>\n\n\n\n\n\n\n\n\n\n
    Xu h\u01b0\u1edbng<\/th>\nM\u1ee9c \u0111\u1ed9 s\u1eb5n s\u00e0ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng (2026)<\/th>\nT\u00e1c \u0111\u1ed9ng d\u1ef1 ki\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n
    Chao \u0111\u00e8n th\u00f4ng minh \u0111i\u1ec7n s\u1eafc<\/td>\nTh\u01b0\u01a1ng m\u1ea1i giai \u0111o\u1ea1n \u0111\u1ea7u<\/td>\nPh\u00e2n kh\u00fac cao c\u1ea5p ng\u00e1ch<\/td>\n<\/tr>\n
    Th\u1ee7y tinh borosilicate t\u00e1i ch\u1ebf<\/td>\nC\u00f3 s\u1eb5n, s\u1ed1 l\u01b0\u1ee3ng c\u00f3 h\u1ea1n<\/td>\nC\u00e1c d\u1ef1 \u00e1n theo ti\u00eau chu\u1ea9n ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng<\/td>\n<\/tr>\n
    Th\u1ee7y tinh borosilicate si\u00eau m\u1ecfng (\u22642mm)<\/td>\nGiai \u0111o\u1ea1n nguy\u00ean m\u1eabu<\/td>\nGi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng cho c\u00e1c chao \u0111\u00e8n l\u1edbn<\/td>\n<\/tr>\n
    L\u1edbp ph\u1ee7 k\u00ednh kh\u00e1ng khu\u1ea9n<\/td>\nC\u00f3 s\u1eb5n (l\u0129nh v\u1ef1c kh\u00e1ch s\u1ea1n, nh\u00e0 h\u00e0ng)<\/td>\n\u0110ang xu\u1ea5t hi\u1ec7n trong ph\u00e2n kh\u00fac d\u00e2n d\u1ee5ng<\/td>\n<\/tr>\n
    L\u1edbp ph\u1ee7 photocatalytic TiO\u2082 t\u1ef1 l\u00e0m s\u1ea1ch<\/td>\nC\u00f3 s\u1eb5n<\/td>\nGi\u1ea3m t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

    Lo\u1ea1i k\u00ednh n\u00e0o t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi?<\/strong>
    \nTh\u1ee7y tinh borosilicate. H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a n\u00f3 (3,3 ppm\/\u00b0C) nh\u1ecf h\u01a1n m\u1ed9t ph\u1ea7n ba so v\u1edbi th\u1ee7y tinh ti\u00eau chu\u1ea9n, gi\u00fap n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecdi v\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t m\u00e0 c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi th\u01b0\u1eddng xuy\u00ean g\u1eb7p ph\u1ea3i. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed hi\u00ean c\u00f3 m\u00e1i che \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c l\u00e0 l\u1ef1a ch\u1ecdn ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u1edf v\u00f9ng kh\u00ed h\u1eadu \u00f4n h\u00f2a.<\/p>\n

    T\u1ea1i sao c\u00e1c chao \u0111\u00e8n b\u1eb1ng th\u1ee7y tinh ngo\u00e0i tr\u1eddi<\/a> l\u1ea1i b\u1ecb n\u1ee9t?<\/strong>
    \nS\u1ed1c nhi\u1ec7t l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u \u2014 b\u1ec1 m\u1eb7t th\u1ee7y tinh n\u00f3ng l\u00ean v\u00e0 ngu\u1ed9i \u0111i nhanh h\u01a1n kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t b\u00ean trong c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng. Nguy\u00ean nh\u00e2n l\u00e0 do m\u01b0a b\u1eafn v\u00e0o k\u00ednh \u0111ang n\u00f3ng d\u01b0\u1edbi \u00e1nh m\u1eb7t tr\u1eddi, n\u01b0\u1edbc phun t\u1eeb h\u1ec7 th\u1ed1ng t\u01b0\u1edbi c\u00e2y, ho\u1eb7c chu k\u1ef3 n\u00f3ng-l\u1ea1nh h\u00e0ng ng\u00e0y. Th\u1ee7y tinh soda-lime d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng nh\u1ea5t. Th\u1ee7y tinh borosilicate \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ch\u1ed1ng l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng h\u1ecfng h\u00f3c n\u00e0y.<\/p>\n

    Ch\u1ec9 s\u1ed1 IP li\u00ean quan g\u00ec \u0111\u1ebfn lo\u1ea1i th\u1ee7y tinh?<\/strong>
    \nCh\u1ec9 s\u1ed1 IP (\u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi ti\u00eau chu\u1ea9n IEC 60529) \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i x\u00e2m nh\u1eadp c\u1ee7a to\u00e0n b\u1ed9 c\u1ee5m thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng \u2014 ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ec9 s\u1ed1 \u0111\u00e1nh gi\u00e1 th\u00e0nh ph\u1ea7n th\u1ee7y tinh. M\u1ed9t thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng c\u00f3 th\u1ec3 \u0111\u1ea1t chu\u1ea9n IP65 nh\u01b0ng v\u1eabn ch\u1ee9a th\u1ee7y tinh soda-lime, lo\u1ea1i k\u00ednh n\u00e0y s\u1ebd b\u1ecb n\u1ee9t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ed1c nhi\u1ec7t b\u1ea5t k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc c\u1ee7a l\u1edbp v\u1ecf b\u1ea3o v\u1ec7. Ch\u1ec9 s\u1ed1 IP v\u00e0 lo\u1ea1i th\u1ee7y tinh gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 h\u1ecfng h\u00f3c kh\u00e1c nhau. C\u1ea3 hai \u0111\u1ec1u quan tr\u1ecdng.<\/p>\n

    Th\u1ee7y tinh borosilicate ch\u1ecbu \u0111\u01b0\u1ee3c bao l\u00e2u khi \u0111\u1ec3 ngo\u00e0i tr\u1eddi?<\/strong>
    \n\u1ede c\u00e1c v\u1ecb tr\u00ed ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp, chao \u0111\u00e8n b\u1eb1ng th\u1ee7y tinh borosilicate \u0111\u01b0\u1ee3c gia c\u00f4ng t\u1ed1t th\u01b0\u1eddng c\u00f3 tu\u1ed5i th\u1ecd t\u1eeb 15\u201320 n\u0103m tr\u01b0\u1edbc khi xu\u1ea5t hi\u1ec7n d\u1ea5u hi\u1ec7u xu\u1ed1ng c\u1ea5p r\u00f5 r\u1ec7t. \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc tia UV, v\u1ed1n l\u00e0 h\u1ea1n ch\u1ebf ch\u00ednh \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i th\u1ee7y tinh kh\u00e1c, h\u1ea7u nh\u01b0 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u1ed1i v\u1edbi borosilicate. C\u00e1c ph\u1ee5 ki\u1ec7n ph\u1ea7n c\u1ee9ng c\u1ee7a b\u1ed9 \u0111\u00e8n xung quanh chao \u0111\u00e8n th\u01b0\u1eddng s\u1ebd b\u1ecb h\u1ecfng tr\u01b0\u1edbc.<\/p>\n

    T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u1ee7y tinh m\u1edd ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/strong>
    \nC\u00f3 \u2014 th\u1ee7y tinh m\u1edd l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho ngo\u00e0i tr\u1eddi. Th\u1ee7y tinh borosilicate m\u1edd \u0111\u01b0\u1ee3c kh\u1eafc axit mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c nhi\u1ec7t \u0111\u1ed3ng th\u1eddi gi\u1ea3m ch\u00f3i. B\u1ea3n th\u00e2n l\u1edbp ph\u1ee7 m\u1edd (n\u1ebfu \u0111\u01b0\u1ee3c ph\u1ee7 tr\u00ean b\u1ec1 m\u1eb7t) c\u00f3 th\u1ec3 d\u1ea7n b\u1ecb \u0103n m\u00f2n th\u00eam do m\u01b0a axit, nh\u01b0ng c\u00e1c chao \u0111\u00e8n b\u1eb1ng th\u1ee7y tinh borosilicate m\u1edd ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 l\u1edbp m\u1edd \u0111\u01b0\u1ee3c nung k\u1ebft h\u1ee3p v\u00e0o quy tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t thay v\u00ec \u0111\u01b0\u1ee3c ph\u1ee7 nh\u01b0 m\u1ed9t l\u1edbp ri\u00eang bi\u1ec7t.<\/p>\n

    Lo\u1ea1i th\u1ee7y tinh n\u00e0o t\u1ed1t nh\u1ea5t cho c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi ven bi\u1ec3n?<\/strong>
    \nTh\u1ee7y tinh borosilicate. Kh\u00f4ng kh\u00ed mu\u1ed1i ven bi\u1ec3n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng kh\u1eed ki\u1ec1m (l\u00e0m m\u1edd b\u1ec1 m\u1eb7t) \u1edf th\u1ee7y tinh soda-lime trong v\u00f2ng 3\u20137 n\u0103m. H\u00e0m l\u01b0\u1ee3ng ki\u1ec1m th\u1ea5p h\u01a1n c\u1ee7a borosilicate gi\u00fap lo\u1ea1i th\u1ee7y tinh n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc n\u00e0y t\u1ed1t h\u01a1n nhi\u1ec1u. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng n\u1eb1m trong b\u00e1n k\u00ednh 300 m\u00e9t t\u00ednh t\u1eeb b\u1edd bi\u1ec3n, borosilicate l\u00e0 l\u1ef1a ch\u1ecdn l\u00e2u d\u00e0i duy nh\u1ea5t.<\/p>\n

    Th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c c\u00f3 t\u1ed1t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/strong>
    \nTh\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn v\u1eefng ch\u1eafc cho hi\u00ean nh\u00e0 c\u00f3 m\u00e1i che, \u0111\u00e8n l\u1ed3ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 c\u00e1c v\u00f9ng kh\u00ed h\u1eadu kh\u00f4ng c\u00f3 chu k\u1ef3 \u0111\u00f3ng b\u0103ng - r\u00e3 \u0111\u00f4ng \u0111\u00e1ng k\u1ec3. N\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 40\u201360\u00b0C v\u00e0 v\u1ee1 an to\u00e0n n\u1ebfu ch\u1eb3ng may b\u1ecb n\u1ee9t v\u1ee1. \u1ede nh\u1eefng v\u1ecb tr\u00ed l\u1ed9 thi\u00ean c\u00f3 m\u00f9a \u0111\u00f4ng kh\u1eafc nghi\u1ec7t ho\u1eb7c c\u00e1i n\u00f3ng sa m\u1ea1c, borosilicate v\u01b0\u1ee3t tr\u1ed9i h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c nhi\u1ec7t.<\/p>\n

     <\/p>\n

    \n

    K\u1ebft lu\u1eadn<\/h2>\n

    Lo\u1ea1i th\u1ee7y tinh t\u1ed1t nh\u1ea5t cho chao \u0111\u00e8n ngo\u00e0i tr\u1eddi l\u00e0 lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf m\u00e0 thi\u1ebft b\u1ecb ph\u1ea3i \u0111\u1ed1i m\u1eb7t \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn b\u1eaft m\u1eaft nh\u1ea5t trong danh m\u1ee5c s\u1ea3n ph\u1ea9m. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed l\u1ed9 thi\u00ean \u1edf v\u00f9ng kh\u00ed h\u1eadu c\u00f3 s\u1ef1 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 \u0111\u00e1ng k\u1ec3, borosilicate l\u00e0 lo\u1ea1i duy nh\u1ea5t li\u00ean t\u1ee5c t\u1ed3n t\u1ea1i qua m\u1ecdi s\u1ef1 ki\u1ec7n nhi\u1ec7t ngo\u00e0i tr\u1eddi. Th\u1ee7y tinh c\u01b0\u1eddng l\u1ef1c \u0111\u00f3ng vai tr\u00f2 h\u1ee3p l\u00fd cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 m\u00e1i che ho\u1eb7c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u1edf v\u00f9ng kh\u00ed h\u1eadu \u00f4n h\u00f2a. Th\u1ee7y tinh soda-lime ch\u1ec9 th\u00edch h\u1ee3p d\u00f9ng trong nh\u00e0.<\/p>\n

    L\u1edbp ho\u00e0n thi\u1ec7n c\u1ee7a th\u1ee7y tinh l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh ph\u1ee5, nh\u01b0ng kh\u00f4ng h\u1ec1 t\u1ea7m th\u01b0\u1eddng: chao \u0111\u00e8n b\u1eb1ng th\u1ee7y tinh borosilicate m\u1edd ho\u1eb7c opal trong thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng \u1edf hi\u00ean nh\u00e0 c\u00f3 m\u00e1i che c\u00f3 th\u1ec3 v\u1eeba \u0111\u1eb9p v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9 v\u1eeba \u0111\u00fang v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc. H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi lo\u1ea1i th\u1ee7y tinh, sau \u0111\u00f3 ch\u1ecdn l\u1edbp ho\u00e0n thi\u1ec7n. H\u00e3y l\u00e0m cho th\u00e0nh ph\u1ea7n \u0111\u00fang tr\u01b0\u1edbc ti\u00ean, v\u00e0 chao \u0111\u00e8n s\u1ebd v\u1eabn gi\u1eef nguy\u00ean v\u1ecb tr\u00ed l\u00e2u sau khi m\u1ecdi th\u1ee9 kh\u00e1c trong thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng ho\u1eb7c thay th\u1ebf.<\/p>","protected":false},"excerpt":{"rendered":"

    Borosilicate glass is the best glass for outdoor lamp shades, handling thermal shock up to 150 degrees differential and resisting UV yellowing for 10+ years. This guide compares borosilicate, tempered, and soda-lime glass by climate zone, finish, and fixture type so you can stop replacing the same shade twice.<\/p>","protected":false},"author":1,"featured_media":6397,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[204],"class_list":["post-6401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glass-lampshade-solutions","tag-outdoor-lamp-shades"],"_links":{"self":[{"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/posts\/6401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/comments?post=6401"}],"version-history":[{"count":4,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/posts\/6401\/revisions"}],"predecessor-version":[{"id":7013,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/posts\/6401\/revisions\/7013"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/media\/6397"}],"wp:attachment":[{"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/media?parent=6401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/categories?post=6401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jxlampshade.com\/vi\/wp-json\/wp\/v2\/tags?post=6401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}