Physical properties |
SiO2 :
99.95%
Density :
2.2(g/cm3)
Degree of hardness mosh' scale :
6.6
Coefficient of expansion 25--300℃ ℃-1 ( ×10-6 )
0.58
Melting point:
1732°C
Working temperature :
Under 1100°C
Max temperature can reach in a short time :
1450°C
Acid tolerance:
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
Annealing point:
1180°C
softening point:
1630°C
Strain point:
1100°C
| 99.95% |
Density : | 2.2(g/cm3) |
Degree of hardness mosh' scale : | 6.6 |
Coefficient of expansion 25--300℃ ℃-1 ( ×10-6 ) | 0.58 |
Melting point: | 1732°C |
Working temperature : | Under 1100°C |
Max temperature can reach in a short time : | 1450°C |
Acid tolerance: | 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 |
Annealing point: | 1180°C |
Softening point: | 1630°C |
Strain point: | 1100°C |