Barium sulfate( super fine & precipitated) 1) as 325mesh,400mesh,800mesh, 2) 1250mesh,2000mesh 3) 2500 mesh,6000 mesh, 8000m Barium sulfate( super fine & precipitated)Detailed DescriptionCAS No.: 7727-43-7 Molecular Formula: BaSO4Molecular Weight: 233.39Properties: Colorless orthorhombic system crystalline or white amorphous powder, relative density 4.5015, melting point 1580, nontoxic, almost ...