Fused Quartz Cover Plates for LED & UV Systems

Fused Quartz Cover Plates for LED & UV Systems

Our precision Fused Quartz cover plates are custom-engineered for LED lighting, UV systems, high-temperature optics, and semiconductor equipment. Offering high purity, excellent UV resistance, and superior thermal stability, they provide precise optical and mechanical performance. Available with frosted or polished finishes, meeting ISO 9001 & ASTM E2592 standards.

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Product Description

• Item: LED Quartz Cover Plate
• Material: Fused Quartz (SiO₂ ≥99.99%)
• Surface Treatment: Frosted (Matte Finish)

Key Specifications

• Parameter : Value
• Diameter : 380 mm (±0.5 mm)
• Thickness : 4.75 mm (±0.1 mm)
• Surface Roughness : Ra ≤0.8 μm

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

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).

Applications

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

 Quality Standards

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

Packaging & Handling

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

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