Properties
General
| Property | Value | Temperature |
|---|---|---|
Density | 2.67 g/cm³ Show Supplier Material materials with Density of 2.67 g/cm³ at 20.0 °C | 20.0 °C |
Thermal
| Property | Value | Temperature | Comment |
|---|---|---|---|
Annealing temperature | 725 °C Show Supplier Material materials with Annealing temperature of 725 °C | Viscosity 10¹³ dPa.s (ISO 7884-4) | |
Coefficient of thermal expansion | 4.5E-6 1/K Show Supplier Material materials with Coefficient of thermal expansion of 4.5E-6 1/K at 20.0 °C | 20.0 °C | mean value for 20-300 °C - ISO 7991 |
Glass transition temperature | 715 °C Show Supplier Material materials with Glass transition temperature of 715 °C | ISO 7884-8 | |
Softening temperature | 935 °C Show Supplier Material materials with Softening temperature of 935 °C | Viscosity 10⁷·⁶ dPa.s (ISO 7884-3) | |
Strain temperature | 675 °C Show Supplier Material materials with Strain temperature of 675 °C | Viscosity 10¹⁴·⁵ dPa.s (ISO 7884-7) | |
Working temperature | 1210 °C Show Supplier Material materials with Working temperature of 1210 °C | Viscosity 10⁴ dPa.s (ISO 7884-2) |
Optical
| Property | Value | Comment |
|---|---|---|
Refractive index | 1.55 [-] Show Supplier Material materials with Refractive index of 1.55 [-] | at λ=587.6 nm |
Transmission | 37 % Show Supplier Material materials with Transmission of 37 % | Thickness=1 mm, λ=585 nm |
UV transmission | 58 % Show Supplier Material materials with UV transmission of 58 % | Thickness=1 mm, λ=330 nm |
Chemical properties
| Property | ||
|---|---|---|
Other | 0.01 % | max., Lead, Cadmium, Mercury and Hexavalent Chromium |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Bulb and exhaust tube for halogen lamps for automotive, household and general lighting. | |
| Corrosion properties | Hydrolytic resistance Class HGB1 (ISO 719) - Acid resistance Class S3 (DIN 12116) - Alkali resistance Class A2 (ISO695) | |