Quartz glass lens fine polishing high transmittance high purity quartz ball can be customized film can be coated

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