Packaging & Delivery Packaging Detail: 25kg/bag 50kg/bag or according to your requirement Delivery Detail: 5-7 days after 30% deposit or L/C Specifications high quality with competitive price  large production capacity  prompt shipment 1.name:barium sulfate 2.MF:BaSO4 3.appearance:white powder 4.usage:widely used in chemical,paint,rubber,glass,paper,medicine,etc. 5.certificate of analysis Item Test Standard Test Result Appearance White powder White powder BaSO4 ≥98% 98.5% SiO2 ≤2% 1.5% CaO ≤0.5% 0.1% Fe2O3 ≤0.5% 0.1% Lost by calcination ≤1.5% 1% Whiteness 96 97 Oil Absorption 14-17% 16% Moisture ≤0. 2% 0.2% Soluble in water ≤0. 2% 0.15% PH Value 7.5-9.5 8 HCL Insoluble Matter ≤99% 98.6% Residue on sieve 325μ(%)max ≤ 0.05% ≤ 0.03% True Specific Gravity 4.3G/cm3 4.3 G/cm3