Fused quartz is cooked with vitreous quartz, refined quartz sand by high temperature after electrofusion, massive cooling crushing, grading and become, and can according to customer demand for grain processing into various specifications. The product has high purity, low ion content, excellent dielectric property, low coefficient of expansion, stable size distribution etc., products are mainly used in precision casting, glass, ceramic, refractory material, electronic and electrical appliances, steel, chemical industry, scientific research, military and other industries.

The purity of fused quartz: silica content; level shall not be less than 99.95%, two level of not less than 99.92%, three level of not less than 99.8%, four grade shall not be less than 99.6%.