High Purity Quartz Plates Manufacturer

FGQuartz produces high quality fused quartz plates with exceptional purity (SiO₂ ≥ 99.99%), precision cutting and excellent surface finishing. Our quartz glass plates are widely used in semiconductor, optical systems, laboratory equipment and industrial applications.

Quartz glass plate used in semiconductor viewports, laser systems, and observation windows

What Are Quartz Plates?

Quartz plates are flat sheets made from high purity fused silica. They offer excellent thermal resistance, optical transparency, and chemical stability, making them ideal for precision industrial and scientific applications.

Compared with standard glass, quartz plates can withstand higher temperatures and harsher environments while maintaining structural integrity and optical clarity.

Key Advantages of Quartz Plates

Ultra High Purity

SiO₂ ≥ 99.99%, extremely low impurity content for sensitive applications.

Excellent Optical Transmission

High transparency in UV, visible and IR spectrum.

High Temperature Resistance

Stable performance up to 1100°C continuous working temperature.

Low Thermal Expansion

Excellent resistance to thermal shock and deformation.

Chemical Stability

Resistant to most acids and corrosive environments.

Precision Machinability

Supports cutting, polishing, drilling and custom shaping.

Technical Specifications

Parameter Value
Material High Purity Fused Quartz
SiO₂ Purity ≥ 99.99%
Thickness 0.5 – 50 mm
Maximum Size Up to 1000 × 1000 mm
Thickness Tolerance ±0.1 mm
Surface Flatness λ/4
Surface Roughness Ra < 0.4 μm
OH Content < 10 ppm
Working Temperature 1100°C continuous
Metal Impurities < 20 ppm

Types of Quartz Plates

Clear Quartz Plates
Opaque Quartz Plates
Polished Quartz Plates

Ground Quartz Plates

Precision Optical Plates

Custom Cut Plates

Applications

Semiconductor Industry

Used in wafer processing, diffusion systems and cleanroom equipment.

Industrial Applications

High temperature insulation and structural components.

Optical Systems

Optical windows, laser systems and precision instruments.

Lighting Industry

UV and high-intensity lighting system components.

Laboratory Equipment

Used in high temperature experiments and analytical devices.

Custom Engineering

Fabricated into specialized shapes and components.

Custom Quartz Plate Fabrication

We provide custom quartz plate manufacturing services based on drawings and specifications, including precision machining and finishing.

Cutting to size

Edge polishing

Surface grinding

Drilling holes

Chamfering

Fire polishing

Quality Control

  • Incoming raw material inspection
  • Dimensional measurement
  • Surface quality inspection
  • Flatness and optical testing

Why Choose FGQuartz

  • Over 20 years manufacturing experience
  • ISO 9001 certified production system
  • Stable high purity quartz sourcing
  • Advanced precision machining capability
  • Global export experience