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Fused Quartz Disc

Fused Quartz Disc

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Fused quartz disc intended for laboratory thermal processing, sample support, component fabrication and high-temperature assemblies.

The standard range covers diameters from 5 to 100 mm with selected thicknesses from 1 to 3 mm, providing practical formats for small samples through larger furnace and materials-processing applications. Fused quartz offers low thermal expansion and good dimensional stability under elevated-temperature conditions.

Other diameters, thicknesses and custom-cut dimensions can be supplied on request.

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The standard range covers round fused quartz discs from 5 to 100 mm diameter, with thicknesses selected according to the size and intended laboratory use. Smaller formats are suitable for compact sample supports and fabricated components, while larger diameters provide additional working area for furnace and materials-processing assemblies. Alternative diameters and thicknesses can be produced for non-standard requirements.

Key Features

✓ High-purity fused quartz construction
✓ Round solid-disc geometry
✓ Low thermal expansion
✓ Standard diameters from 5 to 100 mm
✓ Selected thicknesses from 1 to 3 mm
✓ Custom diameters and thicknesses available on request

Typical Applications

• High-temperature sample support
• Laboratory furnace assemblies
• Thermal-processing fixtures
• Materials and powder research
• Quartz spacers and support components
• Custom laboratory component fabrication
Technical Specifications
Material High-purity fused quartz
Product Type Round fused quartz disc
Reference SiO₂ Purity 99.99–99.9997%
Reference Maximum Temperature 1200°C
Linear Thermal Expansion 5.5 × 10−7 K−1
Thermal Conductivity 1.4 W·m−1·K−1
Standard Diameter Range 5–100 mm
Standard Thickness Range 1–3 mm
Standard Sizes
Diameter Available Thicknesses
5 mm 1 mm
10 mm 1 / 2 mm
15 mm 1 / 2 mm
20 mm 1 / 2 / 3 mm
25 mm 1 / 2 / 3 mm
30 mm 1 / 2 mm
40 mm 1 / 2 mm
50 mm 1 / 2 mm
60 mm 2 mm
80 mm 2 mm
100 mm 2 mm
Technical Notes
• Avoid sudden temperature changes and localized mechanical impact during high-temperature use.
• Support larger discs evenly to minimize concentrated mechanical stress.
• Select thickness according to the required rigidity, support conditions and operating environment.
• Do not expose fused quartz components to hydrofluoric acid or fluoride-containing media.
Package Contents
1× High-Purity Fused Quartz Disc
Selected diameter × thickness
Selection & Custom Sizes
Select the disc diameter according to the required sample area, installation space and supporting assembly. Thickness should be selected according to the required rigidity and operating conditions. Other diameters, intermediate sizes, alternative thicknesses and custom-cut fused quartz discs can be supplied on request.

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