1. Product Description
Item: LED Quartz Cover Plate
Material: Fused Quartz (SiO₂ ≥99.99%)
Surface Treatment: Frosted (Matte Finish)

2. Key Specifications
Parameter: Value
Diameter:    380 mm (±0.5 mm)
Thickness:    4.75 mm (±0.1 mm)
Surface Roughness:    Ra ≤0.8 μm

3. Physical Properties
Thermal Stability:
Operating Temperature: -50°C to 1,200°C
Thermal Expansion Coefficient: 5.5×10⁻⁷/°C
Optical Properties:
Transmittance: ≥93% (Visible Light Range, unfrosted area)
UV Resistance: Excellent (No degradation under UV exposure)
Mechanical Properties:
Hardness: 7.0 Mohs
Density: 2.2 g/cm³
Flexural Strength: ≥50 MPa

4. Surface Requirements
Frosted Surface:
Uniform matte finish on designated side.
No visible scratches, bubbles, or impurities.
Edge Treatment: Smooth, chamfered edges (0.2 mm max).

5. Applications
LED lighting modules, high-temperature optical systems, UV lamp covers, semiconductor equipment.

6. Quality Standards
Compliance: ISO 9001, ASTM E2592 (Fused Quartz Standard).
Testing:
Dimensional accuracy (CMM verification).
Surface inspection (Microscopic analysis).

7. Packaging & Handling
Packaging: Anti-static foam + wooden crate (customizable).
Handling Note: Avoid direct contact with sharp objects; clean with ethanol or isopropyl alcohol.

Note: For full technical data sheets or custom requirements, contact our engineering team.
For complete technical data or certifications, contact our technical support teamemail[luzhenzhu@tuguanshiying.com].

This document provides a concise summary. Additional details (e.g., certifications, batch testing reports) are available upon request.