Pure silica sand 

White silica sand is processed from the quality silica stone with high content of SiO2 and low impurity . Widely used for producing optical glass, refractory material and foundry.

White Silica Sand for optical glass , for its high content of SiO2, and low impurity.

Refined Silica Sand is processed from natural silica stone, for its high content of SiO2 and  low impurity.

High purity White silica sand widely used for producing optical glass , refractory material,  metallurgy, ceramic, foundries and abrasives etc.