1. Ordinary quartz sand: SiO2 ≥ 90 - 99% Fe2O3 ≤ 0.06 - 0.02%, fire resistance 1750 ° C, large particles on the appearance, yellow skin capsule on the surface. The particle size range is 5 - 220 meshes, which can be produced according to the user's requirements. Main applications: metallurgy, black silicon carbide, glass and glass products, enamel, cast steel, water filtration, bubble alkali, chemical industry, spray noise and other industries.

2. Refined quartz sand: SiO2 ≥ 99-99.5% Fe2O3 ≤ 0.005%, made of high-quality natural quartz sand, carefully selected and finely processed. The particle size range is 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm, which can be processed according to user requirements. Uses: It is used in the manufacture of glass, refractory materials, smelting ferrosilicon, metallurgical flux, ceramics, abrasive materials, casting quartz sand, etc. It has a strong ability to resist acid medium corrosion in buildings to produce acid resistant concrete and acid resistant mortar.

3. High purity quartz sand: SiO2 ≥ 99.5-99.9% Fe2O3 ≤ 0.001%, made of high-quality natural quartz stone, carefully selected and finely processed. The particle size range is 1 - 0.5mm, 0.5 - 0.1mm, 0.1 - 0.01mm, 0.01 - 0.005mm, which can be processed according to user requirements. Uses: It is used in the manufacture of glass, refractory materials, smelting ferrosilicon, metallurgical flux, ceramics, abrasive materials, casting quartz sand, etc. It has a strong ability to resist acid medium corrosion in buildings to produce acid resistant concrete and acid resistant mortar.

4. Fused quartz sand: SiO2 99.9-99.95% Fe2O3 5PPM-25PPM max Li2O 1-2PPM max Al2O3 20-30PPMmax K2O 20-25PPM max Na20 10-20PPM max (PPM is one millionth unit). The appearance is colorless transparent block, granule or white powder. Relative gravity: 2.21; Mohs hardness: 7.0; PH value: 6.0.

5. Silicon micro powder: gray or off white powder in appearance, with fire resistance > 1600 ° C. Unit weight: 200~250 kg/m3. Chemical composition: SiO2 75~96% AI2O3 1.0+0.2% Fe2O3 0.9+0.3% MgO 0.7+0.1% CaO 0.3+0.1% NaO 1.3+0.2% PH neutral.