Yingfengyuan Industrial Group Limited is one of the leading China barite baso4 manufacturers and suppliers,Website:http://www.yingfengyuan.com, equipped with professional factory, we are able to offer you best and cheap barite baso4 products.barite powder for oil drilling 1.Appearance:white powder 2.Used in paint, coating, ink, plastic, rubber, textiles and cerambarite Specification:BaSO4 high purity and good gravity density:4.1-4.3g/cm3 size:100-1250mesh AppearanceWhite powderCAS No.7727-43-7EINECS No.213-784-4Chemical formulaBaSO4Density4.22 g/cm3 ItemIndexDensity, g/cm34.22 MinFineness, -200mesh, %98.0 MinFineness, -325mesh, %98.0 - 90.0Hg0.8ppm MaxCd2.7ppm MaxBaSO4, %90-96 MinPercent retained on 200 mesh sieving2 MaxPercent retained on 325 mesh sieving2 Max