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Brand： ET
model： ET-001
place of origin： china
Colour： Transparent
Density： 2.2g/cm3
Silica content： 99.99
use： High temperature
Melting point： 1730
Annealing Point 1215
Deformation point 1120
Mohs hardness 7
Coefficient of expansion 5.5
Refractive index 1.4585
1.wrapped with thin white paper .
2.winded with foam material
3.put into the paper carton
4.packed with wooden case
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-To order, please reply us your special enquiry.
AL | Fe | K | Na | Li | Ca | Mg | Cu | Mn | Cr | B | Ti |
| 5-12 | 0.19-1.5 | 0.71-1.6 | 0.12-1.76 | 0.38-0.76 | 0.17-1.23 | 0.05-0.5 | 0.05 | 0.05 | <0.05 | <0.1 | <1.0 |
Spectral transmission at 1.0mm thickness
m m | <220 | 255 | 280 | 315 | 350 | 38 | 590 | 780 |
| % | 89 | 91 | 93 | 93 | 93 | 93 | 93.2 | 93.4 |
Physical Proerties
(g/cc)Density20 °C kg.m-3 | 2.2 |
| Degree of Hardness Moh's Scale | 5.5-5.6 |
| Softening point(degree) | 1683 |
| Annealing point | 1215 |