Eigenschaften
Allgemein
| Property | Value |
|---|---|
Dichte | 2.5 g/cm³ Show Supplier Material materials with Dichte of 2.5 g/cm³ |
Mechanisch
Thermisch
| Property | Temperature | Value | Testing Standard | Comment |
|---|---|---|---|---|
Glasübergangstemperatur | 525 °C Show Supplier Material materials with Glasübergangstemperatur of 525 °C | ISO 7884-8 | ||
Glühtemperatur | 530.0 °C Show Supplier Material materials with Glühtemperatur of 530.0 °C | ISO 7884-4 | Viscosity 10¹³ dPa·s | |
Koeffizient der thermischen Ausdehnung | 9.1e-06 1/K Show Supplier Material materials with Koeffizient der thermischen Ausdehnung of 9.1e-06 1/K | ISO 7991 | mean value for 20-300 °C | |
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 | ||
Working temperature | 1040.0 °C Show Supplier Material materials with Working temperature of 1040.0 °C | ISO 7884-2 | Viscosity 10⁴ dPa·s | |
Wärmeleitfähigkeit | 90 °C | 1.1 W/(m·K) Show Supplier Material materials with Wärmeleitfähigkeit of 1.1 W/(m·K) |
Elektrisch
| Property | Temperature | Value | Frequency |
|---|---|---|---|
Dielektrizitätskonstante | 7.2 [-] Show Supplier Material materials with Dielektrizitätskonstante of 7.2 [-] | 1MHz | |
Verlustfaktor | 0.007 [-] Show Supplier Material materials with Verlustfaktor of 0.007 [-] | 1MHz | |
spezifischer Widerstand | 250 °C | 125893 Ω·m Show Supplier Material materials with spezifischer Widerstand of 125893 Ω·m | |
350 °C | 5012 Ω·m Show Supplier Material materials with spezifischer Widerstand of 5012 Ω·m |
Optisch
| Property | Value | Testing Standard | Comment |
|---|---|---|---|
Brechungsindex | 1.5 [-] Show Supplier Material materials with Brechungsindex 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 |
Bor | 1 % Show Supplier Material materials with Bor of 1 % | B₂O₃ |
Kalium | 3 % Show Supplier Material materials with Kalium of 3 % | K₂O |
Kalzium | 5 % Show Supplier Material materials with Kalzium of 5 % | CaO |
Magnesium | 3 % Show Supplier Material materials with Magnesium of 3 % | MgO |
Natrium | 13 % Show Supplier Material materials with Natrium of 13 % | Na₂O |
Silizium | 69 % Show Supplier Material materials with Silizium of 69 % | SiO₂ |
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 | |