Изысканный кварцевого песка и порошка

It is made from quartz rock after the procedure of election, breaking up, removing iron by magnetism, washing by acid, drying and grinding and shaping.Main compositions:SiO2≥99.5-99.9%, Fe2O3≤0.01-0.05%. Its appearance is white crystal. The annual output is 20,000 ton. Granularity range:2-200 meshes (10-0.0075mm). It can be produced as request. Main use:It is used in quartz melting, exact foundry, grinding wheel, high-grade glass and refractory materials. It can be exported to Japan, South Korea and Singapore.