Product Name: Barium Sulfate Model: GR-B-001 BaSO4 Content: 99.0% PH Value: 7.0-8.0 Water Solubility: 0.2% Acid Solubility: 0.6% Iron (Fe) Content: 0.004% Sulfide (S) Content: 0.003% Water Content: 0.20% Residue on Sieve(43 um mesh) : 0.1% ?10um Particle size distribution: 80.0% ?5um Particle size distribution: 60.0% ?2um Particle size distribution: 25.0% Oil Absorption: 42(g/100g) Whiteness: 96 Usage: paint, ink, water coating, color asphalt, color brick, color tile, antique building, papermaking, pottery, rubber and plastic industry.