contact:wendy email:lfsm_wendy@shuangmachemical.com Precipitated barium sulphate Item Standard Value Content of BaSO4 % ≥ 98 105°C Volatile% (m/m)≤ 0.3 PH 6.5-8.0 Water soluble % (m/m) ≤ 0.3 Fineness(45 μm Screened Residue),% ≤ 0.012 Fe% ) ≤ 0.4 Sulfide % ≤ 0.3 Ca%≤ 0.05 Mg%≤ 0.02 Al%≤ 0.02 Oil absorption % ) ≤ 16 Whiteness % ≥ 96 Superfine barium sulphate Test project Standard index value Content of BaSO4% ≥ 98 105℃ Fugitive constituent % (m/m) ≤ 0.13 Water soluble objects % ( m/m) ≤ 0.24 PH ≤ 7.5 Fineness(45Hm Screened Residue),% ≤ 0.045 Fe% ≤ 0.003 Sulfide % 0.004 Oil absorption g/100 g 16 Whiteness% ≥ 97 Dispersity μm ≤ 15.0 Fitness: 325μm mesh，400μm mesh，600μm mesh，800μm mesh，1250μm mesh (can produce according to customer’requirements)