Quartz sand is a kind of quartz particle formed by crushing quartz stone. Quartzite is a non-metallic mineral and a silicate mineral with hard, wear-resistant and stable chemical properties. The color of quartz sand is milky white or colorless translucent, and the Mohs hardness is 7. Quartz sand is an important industrial mineral raw material and non chemical dangerous goods. It is widely used in glass, casting, ceramics and fireproof materials, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemical industry, plastics, rubber, abrasive, filter materials and other industries. Dalian sanding and derusting