Customized heat resistance Frosted Surface quartz glass cone
In the optical component, Quartz glass can be mainly divided in to three grades:
JGS3 Infrared Optical Quartz 260nm-3500nm
Frosted quartz cone | |
SIO2 : | 99.9 % |
Density : | 2.2(g/cm3) |
Degree of hardness moh' scale : | 6.6 |
Melting point: | 1732°C |
Working temperature : | 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 |