タイトルまたは説明

High purity silica sand We are mainly supplying high purity silica sand with the purity of more than *9.9%and the content of Fe *0 ppm less. The particle is *****0 mesh. The high purity silica sand is processed from the quality silica(or quartz ) stone, have a high purity of SiO2, a low impurity content , which as raw materials of optical glass , refractory quartz glass and quartz tube, metallurgy, ceramic, foundry, abrasives , electrical equipment etc.