1) Si＜98. 5%,

Size: -200, -325mesh, etc

Other analysis is according to customer demand, and then our factory can process it .

2)98. 5＜Si＜99. 0%,

Size: -200, -325mesh, etc

Other analysis is according to customer demand, and then our factory can process it .

3)99. 0＜Si＜99. 9%,

Size: -200, -325mesh, etc

Other analysis is according to customer demand, and then our factory can process it .

4)99. 9＜Si＜99. 99%,

Size: -200, -325mesh, etc

Other analysis is according to customer demand, and then our factory can process it .