Yantai ZK Optics Co., Ltd.
Custom fabrication of high precision glass parts. Spirit of enterprise: Integrity, Pragmatism, Innovation, Win-win, Appreciation. Tenet of enterprise: the Supremacy of Customer, the Excellence in
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Customized heat resistance Frosted Surface quartz glass cone
| 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 |
