Properties
General
| Property | Value |
|---|---|
Density | 2.63 g/cm³ Show Supplier Material materials with Density of 2.63 g/cm³ |
Mechanical
Thermal
| Property | Temperature | Value | Testing Standard | Comment |
|---|---|---|---|---|
Annealing temperature | 725.0 °C Show Supplier Material materials with Annealing temperature of 725.0 °C | ISO 7884-4 | Viscosity 10¹³ dPa·s | |
Coefficient of thermal expansion | 4.6e-06 1/K Show Supplier Material materials with Coefficient of thermal expansion of 4.6e-06 1/K | ISO 7991 | mean value for 20-300 °C | |
Glass transition temperature | 720 °C Show Supplier Material materials with Glass transition temperature of 720 °C | ISO 7884-8 | ||
Softening temperature | 935.0 °C Show Supplier Material materials with Softening temperature of 935.0 °C | ISO 7884-3 | Viscosity 10⁷·⁶ dPa·s | |
Specific electrical resistance temperature | 660.0 °C Show Supplier Material materials with Specific electrical resistance temperature of 660.0 °C | For ρ=10⁸ Ω·cm | ||
Strain temperature | 670 °C Show Supplier Material materials with Strain temperature of 670 °C | ISO 7884-7 | Viscosity 10¹⁴·⁵ dPa·s | |
Thermal conductivity | 90 °C | 1.1 W/(m·K) Show Supplier Material materials with Thermal conductivity of 1.1 W/(m·K) | ||
Working temperature | 1240.0 °C Show Supplier Material materials with Working temperature of 1240.0 °C | ISO 7884-2 | Viscosity 10⁴ dPa·s |
Electrical
| Property | Temperature | Value | Frequency |
|---|---|---|---|
Dielectric constant | 6.1 [-] Show Supplier Material materials with Dielectric constant of 6.1 [-] | 1MHz | |
Electrical resistivity | 350 °C | 1e+10 Ω·m Show Supplier Material materials with Electrical resistivity of 1e+10 Ω·m | |
Loss tangent | 0.0011 [-] Show Supplier Material materials with Loss tangent of 0.0011 [-] | 1MHz |
Optical
| Property | Value | Testing Standard | Comment |
|---|---|---|---|
Refractive index | 1.5 [-] Show Supplier Material materials with Refractive index of 1.5 [-] | at λ=587.6 nm | |
Stress optical coefficient | 2.8e-06 mm²/N Show Supplier Material materials with Stress optical coefficient of 2.8e-06 mm²/N | DIN 52314 | |
UV transmission | 58 % Show Supplier Material materials with UV transmission of 58 % | max. | Thickness=1 mm | λ=330 nm |
Chemical properties
| Property | ||
|---|---|---|
Other | 0.01 % | max., Lead, Cadmium, Mercury and Hexavalent Chromium |
Technological properties
| Property | ||
|---|---|---|
| Application areas | For high temperature applications in electrical engineering. For use in bulb and exhaust tube, for halogen lamps for automotive, houshold, general lighting and Exterior lighting | |
| Corrosion properties | Hydrolytic resistance Class HGB1 (ISO 719) - Acid resistance Class S3 (DIN 12116) - Alkali resistance Class A2 (ISO695) | |