The main application of refined quartz sand used in water purification processing, the following details do I plant the production of fine sand: 
 A refined quartz sand physical and chemical properties of materials: 
 SiO2 ≥ 99-99.5% Fe2O3 ≤ 0.02-0.015%, selection of high quality ore processing complex. Particle size range of 5-480 mesh, users can request the production, the appearance of white or crystalline. Main purpose: glass, glass, refractories, smelting stone class, precision casting, grinding wheel materials. 
 Two refined quartz sand as a filter 
 Refined quartz sand is our country currently use a very wide range of media, natural quartz ore by crushing, screening, washing from the multi-prism, color white, free of impurities, density 2.66, the silicon content of 99.5%. The mechanical strength of 7.5 degree. The quartz sand is mainly used for no valve filter, siphon filter, in high-speed filters, ion exchange, the supporting layer, glass, foundry casting. 
 In some areas the use of natural river sand, sea sand for the filter, low cost, but the use of short, poor mechanical strength and easily broken. Quartz sand 3-4 times higher than extend the life cycle of natural sand. And filtered water quality and stability from the economic benefits, relatively, the quartz sand is much lower than the river sand and sea sand. Domestic quartz sand has reached the world advanced level. 
 Physical and chemical properties of quartz sand (0.5-1.2MM example) 
 The project unit analysis of the results of the project unit analysis of data 
 Hydrochloric acid soluble rate of mud content% 0.05% 0.02 
 Density g/cm3 2.66 acid% 98 
 Wear rate of 0.03% porosity% 43 
 Fragmentation rate of% 0.35 g/cm3, 1.75 of capacity 
 Oxidation of silicon% 99.35 Mohs hardness 7.5. 

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