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Products

Barium Sulphate precipitated

Barium Sulphate Precipitated

FORMULA: BaSO4

MOLECULAR WEIGHT: 233.39

CAS No.: 7727-43-7

NATURE AND USAGE:

Colorless prismatic crystal shown as amorphous white powder; hardly soluble in water, ethanol and acid; easily forming lumps in dry air.

Mainly used for paint, printing-ink, textile, pigment and pottery industries, also used as coatings on the surface of rubber, plastics, photo-paper, etc.

		GB/T2899-1996	Fine grade	Powder coating grade
BaSO4(dry)		98.0% min	98.0% min	98.5% min
Volatility at 105 C		0.30% max	0.15% max	0.10% max
Water solubles		0.30% max	0.20% max	0.18% max
Fe		0.004% max	0.003% max	0.002% max
Whiteness		94% min	96% min	96% min
Oil absorption		15-25g/100g	15.5-20g/100g	15.5-18g/100g
pH value		6.5-9.0	6.5-9.0	6.5-9.0
Residue on sieve 45um		0.20% max	0.10% max	0.06% max
PSD	Below 10um	80.0% min	95.0% min	98.0% min
	Below 5um	60.0% min	85.0% min	90.0% min
	Below 2um	25.0% min	60.0% min	60.0% min

Packing: in 25kg/50kg/500kg/1000kg net each in PP woven bag lined with P.E. bag.

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