... Sulphate 98% 2,high purity ,whiteness 3,Good particle size distribution Product Details:Precipitated Barium Sulphate Purity:98%Grade Standard:Industrail ... .097.5Oil absorption(g/100g),% 10~3020.5 Particle size distribution<10 um,% ≥80.0100.0<5um, % ≥60.099.52um, ≥25 ...