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Sio2 | 99.99% |
Density | 2.2g/cm³ |
Hardness | 570KHN100 |
Melting point | 1732℃ |
Max temperature can reach in a short time | 1450℃ |
Working temperature | 1100℃ |
Annealing point | 1180℃ |
Softening point | 1630℃ |
Acid resistance | 30 times than Ceramics , 150 times than Stainless steel |
Visible light transmittance | above 93% |
UV spectral region transmittance | 80% |
Resistance value | 10000 times than ordinary glass |