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Quartz - Fused Disk
Quartz - Fused disks come in 4 variations that differ in dimensions, but share the same excellent thermal, optical and electrical properties. These disks are used in semiconductor and fiber optic applications where high purity, thermal shock resistance and low thermal expansion are critical. Their high UV transmittance also suits analytical instrumentation. Thanks to their wide range of properties Quartz - Fused disks meet demanding specifications across scientific and industrial settings.
Formula: SiO₂
Thickness: 6mm
Diameter: 25mm
Surface Finish: Polished On Both Sides
CAS Number: 14808-60-7
UOM Code: 062-044-17
Thickness: 6mm
Diameter: 25mm
Surface Finish: Polished On Both Sides
CAS Number: 14808-60-7
UOM Code: 062-044-17
SKU: 1000008693
Product Code: SI61-SH-000300
Tolerances
Disk
| Thickness | ±20% |
|---|
Tolerances
Disk
| Thickness | ±20% |
|---|
€445.40
each
- Buy 5 for €360.77 each and save 19%
- Buy 10 for €329.60 each and save 26%
No Minimum order
Despatch of products in stock within 48 hours
Free technical support
*Free delivery worldwide
Material Properties for Ceramics
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alkalis | Fair |
| Halogens | Good |
| Metals | Fair |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant | 3.8 |
| Dielectric strength( kV mm⁻¹ ) | 25-40 |
| Volume resistivity( Ohmcm ) | 10¹⁸@25 |
Physical Properties
| Element | Value |
|---|---|
| Refractive index | 1.46 |
| Useful optical transmission range | 180-2500nm |
| Apparent porosity( % ) | 0 |
| Water absorption - saturation( % ) | 0 |
| Density( gcm⁻³ ) | 2.2 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1715 |
| Upper continuous use temperature( C ) | 1100-1400 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 670-740@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 1.46@20°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 0.54@20-1000 |
Mechanical Properties
| Element | Value |
|---|---|
| Tensile modulus( GPa ) | 72-74 |
| Hardness - Knoop( kgf mm⁻² ) | 820 |
| Hardness - Vickers( kgf mm⁻² ) | 1000 |
| Shear strength( MPa ) | 70 |
| Tensile strength( MPa ) | 48 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 1100 |
Other Customers Purchased
-
Quartz - Fused Disk Formula: SiO₂
Thickness: 2mm
Diameter: 23mm
Surface Finish: Polished On Both Sides
CAS Number: 14808-60-7
UOM Code: 581-408-51
eachStarting at €258.36
Discounts applied for volume purchases
