... particle size dispersion, high chemical stability. Barium sulfate content of 98%, and its high whiteness, no black sports, no impurities, good ... using leading technology, its whiteness and barium sulfate content above 98%,high purity, free of impurities. No smell in the production ... .002Bulk density g/cm³0.6-0.7Water%≤0.18Standard (Q/TNRC 1-2009) CUOMEI natural barium sulfate baso4 ...