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Barium Sulphate
Barium Sulfate
Molecular formula:BaSO4
Molecular weight:233.40
CAS No.:7727-43-7
Property:Non qualitative white powder. Non toxic, not soluble in water, soluble in smoking Sulphuric Acid, slightly soluble in boiling Hydrochloric Acid. Chemical property is stable, it’ll reduce to Barium Sulfide when heat with carbon. It won’t change color when meeting with hydrogen sulfide or toxic gas in the air.
Usage:It can be used as filler for paint, printing ink, rubber, plastic, insulating tape, surface paint agent for photo paper and copper plate. Sizing agent for textile. It also can be used in pigment, porcelain, storage battery, porcelain enamel, glass and flavor etc.
Packing:Net in 25KG plastic woven bag.
Specification:


Barium Sulphate (as drying base)

98% Min

PH Value (100g/suspending matter)

6.5—8

Water-soluble

0.2% Max

Iron(Fe)

0.004% Max

Sulphite

0.003% Max

45um sieve residue

0.1% Max

Oil absorption (g/100g)

15—25%

Whiteness

94% Min

Acetic acid

0.6% Max

Moisture

0.20% Max