Product Description

ITEM FIRST GRADE SECOND GRADE PASTED GRADE APPERANCE Amorphous white powder White BaSO4(as per dry),%, = 98.0 97.0 98.0 PH 6.5-8.0 6.5-8.0 6.5-7.5 Solubility in water % = 0.20 0.30 0.20 Acid-soluble material, %= 0.60 1.00 0.60 Fe % = 0.004 0.006 0.004 S % = 0.003 0.005 0.003 Moisture % = 0.20 0.20 28.0 Oil absorption % = 15-25 15-25 - Particle Size Distribution 10um % = 80.0 - 90.0 Particle Size Distribution 5um % = 60.0 - 70.0 Particle Size Distribution 2um % = 25.0 - 50.0 Fineness (43um residue on sieve ),% = 0.10 0.30 0.10 Whiteness= Standard Standard Standard Cas 7727-43-7 Molecular formula:BasO4 Molecular weight: 233.39 Character: White crystal, Melting point: 1580°c (dry caking), Relative density: 4.50 (15°c) Usage: Used as raw material or fillers of paint, printing ink, plastics, cosmetics and battery, surface coating agent of photographic paper and coated art paper, texitile sizing agent. And it can be used as glass refining agent to eliminate bubbles and increase gloss: As well as protective wall covering for anti-radiation. It also can be used in the trades of pottery and porcelain, enamel, spices and pigment, ect. It is also the raw material for producing other barium salts.