High Purity Quartz Boat for Solar Silicon Wafer Extract
1. SiO2> 99.99% ,high purity quartz tube
2.Operating Temperature: 1250ºC
SoftenTemperature: 1730ºC
3.Excellent visual and chemical performance .
4. without surface coating and infectant.
5. Health care and environmental protection.
6. Any dimension can be made.
We can offer max 12" quartz boat.
All production can according to your requirement.





Chemical Composition
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 Properties
(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 |
Defoamation Point | 1120 |