Silica Sand Powder, Sio2

We are offering Silica Sand Powder Sio2 99.9 %. Detailed product description 1. Application: glass,refractory,ceramics,etc. 2.very high purity, 3.very low fe ion, na+ ion, cl- ion. 4.whiteness: 90 our silica powder are obtained by way of pulverizing natural silica rocks. The products contain high purity of sio2, superior in whiteness and electrical insulation properties, and good particle size distribution. major applications: encapsulation/molding compounds for ic & other electronic componets. Ceramics, refectories, glass crockery coating material and others.