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: manufacturing glass, refractory materials, smelting ferrosilicon, metallurgical flux, ceramics, grinding materials, casting quartz sand, etc., in the building, it has strong anti-acid medium etching ability, and is made of acid-resistant concrete and acid-resistant mortar. . Stainless Steel Cable Mesh,Protecting Mesh,Decoration Mesh Baina Wire Mesh Manufacture Co., Ltd. , http://www.bdaviarymesh.com