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The main component of quartz sand

Release date:2019-04-28 00:00 Sources: click:

石英砂色选机


1, ordinary quartz sand: SiO2 acuity Fe2O3 0.06 or less 90-99% - 0.02%, refractoriness 1750 ° C, the exterior part of the larger particles, the surface has a yellow skin cyst. Particle size range 5-220 mesh, can be produced according to user requirements. Main applications: metallurgy, silicon carbide, glass and glass products, enamel, cast steel, water filtration, foam alkali, chemical industry, noise and other industries.


2, refined quartz sand: SiO2 99-99.5% Fe2O3 0.005%, using high-quality natural quartz sand, after careful selection, fine processing. Particle size range 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm, can be processed according to user requirements. USES: glass manufacturing, refractory materials, smelting ferrosilicon, metallurgical flux, ceramics, grinding materials, casting quartz sand, etc., in the construction of the use of its strong resistance to acid medium corrosion ability, acid resistant concrete and acid resistant mortar.


3, high purity quartz sand: SiO2 99.5-99.9% Fe2O3 0.001%, using high-quality natural quartz stone, after careful selection, fine processing. Particle size range 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm, can be processed according to user requirements. USES: glass manufacturing, refractory materials, smelting ferrosilicon, metallurgical flux, ceramics, grinding materials, casting molding quartz sand and other aspects, in the construction of the use of its has a strong ability to resist acid medium corrosion, acid resistant coagulation soil 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 (parts per million). The appearance is colorless transparent block, granule or white powder. Relative gravity :2.21; Mohs hardness :7.0; PH: 6.0.


5, silicon powder: appearance is gray or gray powder, refractory > 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.



石英砂色选机


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