... pieces,ceramics,glass,electronics,cosmetics.1:main standard: Chemical compositionBarium Sulfate ( BaSO4 )/ SuperfineAppearanceWhite powderPackage25kg woven bag, 1000kg big ... electronics,cosmetics,medicine,food. :2:soecificaton: NoItemUnitIndexFirst gradeQualyfied grade1Assay(Barium Sulfate)%≥98≥952105 °C Volatile content%≤ 0.3≤0.53Water ... to client's demand)skype:jamesde6 QQ:839203503 natural barium