Molecular formula: BaSO4

English name: Barium sulphate precipitated

CAS No.: 7727-43-7

EC No.:231-784-4

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/T2899-2017

Main content(on BaSO4 basis) 98.0% min.

Volatile at 105℃ 0.20% max.

Water soluble matters 0.10% max.

Iron (on Fe basis) 0.003% max.

Whiteness 97 min.

Oil absorption (g/100g) 13-17

pH value (10% suspension ) 6.5-8.0

Fineness ( 45μm sieve residue) 0.10% max.

Sulphide (on S basis) 0.002% max.

Average particle size (D50) (μm) 0.6-0.8