Quartz sand is made from natural quartz ore as raw material, processed by crushing, washing fine sieve is made, is currently the most widely used in the water treatment industry, the largest water purification materials, free of impurities, compression wear, mechanical strength high chemical stability, interception capability, high efficiency, long life cycle, suitable for single, double filtration tank, filters and ion exchange, and the targets are met (CJ / T43-2005) standards. Widely used in glass, foundry, ceramics and refractories, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemicals, plastics, rubber, abrasive and other industries. Common Specifications: 0.5-1.0mm 0.6-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm.