Barium Sulphate

Barium Sulphate (Natural, Precipitated)

CAS No.: 7727-43-7

Molecular Formular: BaSO4, Molecular Weight: 233.39

Property: orthorhombic colorless crystals or a white amorphous powder. Almost insoluble in water, ethanol and acid, dissolve in hot concentrated sulfuric acid.

Usage: mainly used in the paint, ink, poster paint, cosmetics, polymer resin as fillers and chloroethane weight agent. Not only as filler in rubber products, but also as a reinforcing agent. Clarifying agent in glass making, erection defoaming effect and increase gloss. Inorganic industry for the manufacture of other barium salts such as barium hydroxide, barium carbonate, barium chloride and other raw materials. Industrial production of wood grain printing plate for printing paint primer and modulation. Organic synthesis as the production of green pigment and color lakes, physical packing.

Packing: 25kg or 1000kg packed in plastic woven bag with lining.

1. PRECIPITATED GRADE

BARIUM SULPHATE PRECIPITATED (SUPERFINE GRADE)

THE INSPECTION IS BASED ON GB/T2899-2008

Items

Standard

BaSO4(as per dry)

98% min

Water Soluble

0.30% max

Moisture

0.30% max

Fineness(Residue on sieve of 325um)

0.20% max

Oil absorption

10%-30%

Volatility at 105℃,%≤

0.30% max

Iron(Fe)

0.004% max

PH value (100g/L suspension)

6.5-9.0

Whiteness

94.0% min

 

Particle Size distribution

≤10um

80% min

≤5um

60% min

≤2um

25 % min

2. BARITE POWDER

THE INSPECTION IS BASED ON GB/T2899-82

Items

Standard

BaSO4

98% min

Volatility at 105℃,%≤

0.30% max

Water Soluble

0.03% max

Iron(Fe)

0.003% max

Fineness (Residue on sieve of 45um,)

0.30% max

Oil absorption

10%-18%

Moisture

0.15% max

PH value (100g/L suspension)

6.0-7.0

Fineness

we could do as customer required (100 mesh – 5000 mesh)

 

Details are introduced