Pressed U-Shaped Colored Glass Lamp Covers for Indicator Signal Lighting

Available in vibrant red, green, and blue, our pressed glass dome covers provide excellent light diffusion and high visibility for signal lighting applications.

Why Choose Our Dome Glass Lamp Covers

1. High-Strength Pressed Glass

  • Thick and impact-resistant
  • Suitable for industrial environments

2. U-Shaped Dome Design

  • 360° light diffusion
  • Classic signal light appearance

3. Colored Glass (Not Painted)

  • Stable color, no fading
  • High visibility for warning systems

4. Precision Threaded Base

  • Easy installation
  • Secure fitting

5. Weather & Heat Resistance

  • Suitable for indoor & outdoor use

Technical Specifications

  • Material: Soda-lime pressed glass
  • Shape: U-shaped / Dome / Capsule
  • Color: Red / Green / Blue / Custom
  • Surface: Smooth / Glossy
  • Diameter: 40mm – 120mm
  • Height: 60mm – 200mm
  • Base: Threaded / Custom fitting
  • Light Transmittance: 50% – 85%
  • Process: Press molding
  • Heat Resistance: Up to 200°C

Custom Glass Dome Solutions

  • Custom colors (amber / clear / frosted)
  • Custom size & thickness
  • Logo embossing on glass
  • Thread customization
  • OEM for equipment manufacturers

We support full customization for industrial signal light manufacturers and lighting brands worldwide.

Applications

  • Industrial indicator lights
  • Machine warning lamps
  • Traffic signal lighting
  • Decorative vintage lamps

Widely used in industrial control systems and safety signal lighting across global markets.

Manufacturing Process

  • Glass melting
  • Press molding
  • Color integration
  • Cooling & shaping
  • Thread forming
  • Inspection

Each piece is inspected for color consistency, thickness, and structural integrity.

FAQ

Q1: Are the colors painted or solid glass?
Solid colored glass, not painted.

Q2: Can you customize thread size?
Yes, we support custom fitting.

Q3: Are they suitable for outdoor use?
Yes, they are weather-resistant.

Q4: What is your MOQ?
Usually 500 pcs depending on design.

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