Chemsize Applied SGS Testing to Make clear systematic what the difference among fused silica grade A,B,C.Analysised chemical composion,SiO2,Al2O3,Fe2O3,NaO,K2O,CaO ,C and quartz phase SiO2，cristobalite SiO2 and Amorphous matter.
These data will help clients to understood the quality difference.

Fused silica Grade A

Fused silica Grade B

Fused silica Grade C