Precipitated barium sulfate is produced with advanced chemical precipitation method, good physical properties, low mechanical impurity, even fineness; white powder or paste, non-toxic, insoluble in water, soluble in fuming sulphuric acid , stable chemical property; It can absorb X-rays, endow the materials with high density and surface finish. It is used in producing paint, ink, coating, plastic, rubber, chip friction pieces, ceramics, glass, electronics, cosmetics, medicine, food etc. Specification ItemExcellence gradeFirst grade Barium sulphate content %98.0min96.0min 105¡æ volatile matter %0.3 max0.5 max Fe content %0.004max0.005max Whiteness degree %92-9690-94 Fineness: 325 mesh, 400 mesh, 600 mesh, 800 mesh, 1250 mesh, 2000 mesh, 3000 mesh, 6000 mesh, 8000 mesh, 12500 mesh, 15000 mesh (it can according to client¡¡¥s demand)