Description

Silica sand is a kind of silicate minerals, which is hard and wear-resistant . The main chemical composition of silica sand is SiO2: 99.5%min. The mineral is of good quality and high purity.

Producing process:

Smash--Selecting--Seperate--washing--dry--Precision selecting

Chemical Composition

Grit Size             10-20mesh        20-40mesh         40-80mesh      60-200mesh

SiO2                   99.50%               99.50%            99.50%             99.50%

Fe2O3                 40ppm                40ppm              50ppm              50ppm

Al2O3                  30ppm                30ppm              30ppm              40ppm

CaO                     10ppm                15ppm              30ppm               50ppm

Classification

•    Common silica sand:  SiO2≥90—99% ;Fe2O2≤0.06—0.02%; Refractory temperature: 1750°c       

      Application: glass industry, metallurgy, chemistry industry; Sandblasting;water filtration

      Size: 5-220mesh;35-75mesh;

•   Refine     silica sand: SiO2≥99—99.5% ;Fe2O3≤0.02—0.015%;

     Application: refractory material; high grade glass; grinding wheel; precision casting;

     Size: 5-480mesh;

• High purity silica sand: SiO2≥99.5—99.9% Fe2O2≤0.005%

        Size: 0.005-0.1mm,0.1-0.5mm,0.5-1mm