Changzhou Longxing Glass Products Factory
Changzhou Longxing Glass Products Factory
Add to Cart
Customizable, Impact test, hydrostatic test, gas explosion test, explosion-proof light Glass tube
High quality, withstand voltage, anti shock Glass tube of explosion-proof light
Professional glass tube supplier, use for explosion-proof light.
1. Materials is borosilicate glass, Belongs to hard glass
2. Transmittance: Thickness 5 mm glass tube can reach 90%
3. High impact force: can customized 4J-8J
4. High internal pressure: can be customized 1.5-3.0 MP
5. Passed test: Impact test, hydrostatic test, gas explosion test.
Physical Properties:
| Coefficient of expansion (20°C–300°C) | 3.3 x 10-6 K-1 |
| Density | 2.23g/cm3 |
| Refractive index | (Sodium D line) 1.474 |
| Dielectric constant (1MHz, 20°C) | 4.6 |
| Specific heat (20°C) | 750J/kg°C |
| coefficient of heat conductivity(20°C) | 1.14W/m°C |
| Visible light transmission, 2mm thick glass | 92% |
| Visible light transmission, 5mm thick glass | 91% |
| Strain temperature | 520°C |
| Annealing temperature | 560°C |
| Softening point at which Borosilicate may deform | 820°C |
| Working point(104dpas) | 1220°C |
| Temp. distance | 200°C |
| Water resistance(ISO 719) | Class 1 |
| Acid resistance(ISO 195) | Class 1 |
| Alkali Resistance(ISO 695) | Class 2 |
Chemical Composition
| SiO2 | 80% |
| B2O3 | 13% |
| Na2O +K2O | 4.3% |
| Al2O3 | 2.4% |
