Molecular formula: BaSO₄
English name: Barium sulfate
Molecular weight:  233.40
Performance characteristics:
It is white powder or paste, non-toxic, unsoluble in water, but soluble in fuming sulfuric acid, slightly soluble in boiling hydrochloric acid. The chemical property is stable.
Use: It is filler of paint, printing ink, rubber, plastic and insulating tape, also used in pigment, ceramics, accumulator cell, enamelware, glass and spice.
Product quality: GB/T2899-1996