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 |