... Barium Sulphate 98% 2,high purity ,whiteness 3,Good particle size distribution Product Details:Precipitated Barium Sulphate Purity:98%Grade Standard:Industrail ... °C),% ≤0.300.18Soluble in water,% ≤0.300.12Finess(particle size 45um),% ≤0.200.012PHvalue(100g/l suspension) 6.5~9 ... .002Whiteness ≥94.097.5Oil absorption(g/100g),% 10~3020.5 Particle size distribution<10 um,% ≥80.0100.0<5um, % ≥60.099.52um, ...