High purity fused sand for crucible coating

Coating quartz is amorphous silicon dioxide made with special process of electric melt, crash, sorting and purification. 
With the characteristics of high purity, low radioactivity, coating quartz is mainly used in IC integrated circuit and quartz glass, etc. And its high grade products are more widely used in large-scale and ultra-large scale integrated circuits, optical fiber, laser, aviation, military equipment. 
Coating quartz sand is neutral inorganic filling, which is very stable, no crystal water, no reaction with the filling material, also widely used in plastic, rubber, cementing material and coating, can increase various new functions of the product and save lots of raw materials.