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Introduction
Silica sand
Silica sand is made from the quality silica stone. The mineral is of good quality and purity for SiO2: 99.95%. High purity and good hardness make it widely used for glass industry, ceramic industy and foundry.
Character
High grade products with competitive price;Stable supply for reputable manufacture;Low iron content and high purity;Chemical compostion
Grit Size SiO2 Fe2O3 Al2O3 CaO
400-80mesh 99.95% 30ppm 40ppm 5ppm
60-200mesh 99.95% 30ppm 40ppm 5ppm
Physical Index
True density: 2.66g/cm3Mohs hardness: 7.0Melting point: 1750°cBulk density: 1.75g/cm3Application:
Optical glass industry;Refractory material;Metallurgy, ceramic, foundry and abrasives;
high grade silica sand