Crystal quartz sand(High purity Quartz Sand  is  Lianyungang Donghai Colorful Mineral main Products,Company use 1-4 grade natural high purity crystal stone or quality natural quartz carefully selected , crushing, calcination, fine grinding, acid treatment, high purity water washing, drying, sieving, magnetic separation treatment,and a series of process and production from, the annual output of  Crystsal High Silica Sand 2000 tons.

Crystal quartz sand range :2-1mm, 4-2mm,1-0 .5 mm, 0.5-0 .2 mm,0.2-0 .1 mm, 0.1-0 .075 mm, 45um,
Main Chemical :SiO2 ≥ 99.9-99.999%, Fe2O3 ≤ 10-20PPM.

Crystal Quartz Sand main Usage: the production of high temperature quartz glass, high purity quartz crucible, advanced glass products and electrical and electronic, optical fiber and other industries.