General
Property | Value |
---|---|
Density | 2.5 g/cm³ Show Supplier Material materials with Density of 2.5 g/cm³ |
Mechanical
Thermal
Property | Temperature | Value | Testing Standard | Comment |
---|---|---|---|---|
Annealing temperature | 530.0 °C Show Supplier Material materials with Annealing temperature of 530.0 °C | ISO 7884-4 | Viscosity 10¹³ dPa·s | |
Coefficient of thermal expansion | 9.1e-06 1/K Show Supplier Material materials with Coefficient of thermal expansion of 9.1e-06 1/K | ISO 7991 | mean value for 20-300 °C | |
Glass transition temperature | 525 °C Show Supplier Material materials with Glass transition temperature of 525 °C | ISO 7884-8 | ||
Softening temperature | 720.0 °C Show Supplier Material materials with Softening temperature of 720.0 °C | ISO 7884-3 | Viscosity 10⁷·⁶ dPa·s | |
Specific electrical resistance temperature | 200.0 °C Show Supplier Material materials with Specific electrical resistance temperature of 200.0 °C | For ρ=10⁸ Ω·cm | ||
Thermal conductivity | 90 °C | 1.1 W/(m·K) Show Supplier Material materials with Thermal conductivity of 1.1 W/(m·K) | ||
Working temperature | 1040.0 °C Show Supplier Material materials with Working temperature of 1040.0 °C | ISO 7884-2 | Viscosity 10⁴ dPa·s |
Electrical
Property | Temperature | Value | Frequency |
---|---|---|---|
Dielectric constant | 7.2 [-] Show Supplier Material materials with Dielectric constant of 7.2 [-] | 1MHz | |
Electrical resistivity | 250 °C | 125893 Ω·m Show Supplier Material materials with Electrical resistivity of 125893 Ω·m | |
350 °C | 5012 Ω·m Show Supplier Material materials with Electrical resistivity of 5012 Ω·m | ||
Loss tangent | 0.007 [-] Show Supplier Material materials with Loss tangent of 0.007 [-] | 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 | 2.7e-06 mm²/N Show Supplier Material materials with Stress optical coefficient of 2.7e-06 mm²/N | DIN 52314 |
Chemical properties
Property | Value | Comment |
---|---|---|
Aluminium | 4 % Show Supplier Material materials with Aluminium of 4 % | Al₂O₃ |
Barium | 2 % Show Supplier Material materials with Barium of 2 % | BaO |
Boron | 1 % Show Supplier Material materials with Boron of 1 % | B₂O₃ |
Calcium | 5 % Show Supplier Material materials with Calcium of 5 % | CaO |
Magnesium | 3 % Show Supplier Material materials with Magnesium of 3 % | MgO |
Potassium | 3 % Show Supplier Material materials with Potassium of 3 % | K₂O |
Silicon | 69 % Show Supplier Material materials with Silicon of 69 % | SiO₂ |
Sodium | 13 % Show Supplier Material materials with Sodium of 13 % | Na₂O |
Technological properties
Property | ||
---|---|---|
Application areas | Engineering (Heat exchanger, Glass apparatus, Instrument / Barometers / Aerometers / Sightglasses and Others), Renewable energy (Photovoltaics, Solar collectors, Receiver), Signal intensifier, Detector and (fibre-) optics (Transmitter and x-ray tubes, other Fibre optics, other Electrotechnology/Electronics), Home (Glass fibre applications, Aquarium heating tubes, Furniture, Sprinkler fuses, Food packaging /cosmetics, Architecture, Christmas Ornaments, Giftware and others), Lighting (Explosion roof lighting, Neon tubing, Lamp bulbs, Exhaust and plate tubing and others), Laboratory/Industrial Technology (Glassblown laboratory ware, Test tubes, Measuring cylinders, Pressed glass articles like balls and lenses, Medical technology like microlitetre syringe and pipettes, Thermometry), Pharmaceutical packaging (Vials, Tablet bottles), Glass straws. | |
Corrosion properties | Hydrolytic resistance Class HGB3 (ISO 719), Type III (Ph. Eur.), Type III (USP) - Acid resistance Class S1 (DIN 12116) - Alkali resistance Class A2 (ISO695), ASTM E 438 Type II |