2015 Hot Sell Silica Sand/ Clear Fused Silica for High Temperature Melting
?
Description:
?
1. | The?clear fused quartz glass?crucible are produced with the advantaged continuous melting method and controlled by automatic control system. |
2. | The?products are high purity, good spectral transmission, well controlled dimension and low OH, etc. |
3. | We?are able to?customize very large?size types?. |
4. | We also can supply more processing, such as?trim cutting, fire polishing, bending, pinching, grinding and others, ?according to customer′s requests. |
?
Specifications:
?
1.High?purity,fine?grain,long?using?life
2.High?purity,Sio2>99.99%
3.High?thermal?performance
4.For?multicrystalline?silicon?solar?
?
Thermal Properties:
?
CoefficientofExpansion(20°C~350°C) | 5.5*10-7/°C |
Thermal Conductivity(W/m°C,20°C) | 1.4 |
Specific Heat(J/kg,20°C) | 670 |
Softening Point( viscosity) | 1730°C |
Annealing Point | 1215°C |
Deformation Temperature(long time heat retaining) | 1120°C |
?
?
?????????????????????????