Ordinary quartz sand (powder)

SiO2 ≥90-99% Fe2O3 ≤0.06-0.02%, fire resistance 1750 --- 1800 ℃, large particles in appearance, yellow skin cysts on the surface Granularity range 1-320 mesh, can be produced according to user requirements. Main uses: metallurgy, ink silicon carbide, building materials, enamel, cast steel, filter material, soda ash, chemical industry, spraying and other industries.

Refined quartz sand (powder)

SiO2 ≥99-99.5% Fe2O3 ≤0.02-0.015%, selected from high-quality ore for complex processing The particle size range is 1-380 mesh, which can be produced according to user requirements, and the appearance is white or crystalline. Main applications: filter media, high-grade glass, glass products, refractory materials, smelting stones, precision casting, sandblasting, wheel grinding materials, etc.

High-purity quartz sand (powder)

SiO2 ≥99.5—99.9% Fe2O2 ≤0.005%. It is made of 1-3 grade natural crystal stones and high-quality natural stones, which are carefully selected and finely processed. Granularity range 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm, can be produced according to user requirements. Main uses: advanced glass, electronic fillers, smelting stones, precision casting, chemicals, ceramics, etc.

Fused silica sand

Chemical composition: SiO2 99.8-99.95% Fe2O3 10PPM-25PPM max Li2O 1-2PPM max Al2O3 20-30PPM maxK2O 20-25PPM max Na2O 10-20PPM max

Physical properties: Appearance is colorless transparent block, granule or white powder. True specific gravity: 2.21; Mohs hardness: 7.0; PH value: 6.0.

Fine silica powder

       SiO2:99.5%min-99.0%min,Fe2O3:0.02%max,Al2O3:0.3% max, size:200-2000 目, 外观为灰色或灰白色粉末﹑耐火度>1600℃。容重：200～250千克/立方米。

Glass sand

SiO2 ≥99-99.5% Fe2O3 ≤0.02-0.015%, selected from high-quality ore for complex processing The particle size range is from 5 to 480 mesh, which can be produced according to user requirements. The appearance is white or crystalline. Main applications: high-grade glass, glass products, refractory materials, smelting stones, precision casting, grinding wheels, etc.