PRECIPITATED BARIUM SULFATE

BRIEF INTRODUCTION: It is soluble in hot concentrated sulfuric acid, insoluble in water, organic matter, Mineral acid and caustic solution, and soluble in hot sulfite and hot concentrated sulfuric acid. The chemical property is stable, and it is reduced to Barium sulfide by co heating with carbon. It does not change color when encountering hydrogen sulfide or toxic gases in the air.

USE:Used as raw materials and fillers for rubber, plastics, pigments, coatings, papermaking, textiles, paints, inks, and welding rods; Used as a raw material for barium based lubricating grease, oil refining, sugar beet production, and artificial silk; It is used as insecticide, disinfectant, Rodenticide, explosive, green fireworks, signal flare, Tracer ammunition, medical X-ray indicator, etc., and also used in glass, ceramics, leather, electronics, building materials, metallurgy and other departments

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Test items Unit Precipitated barium sulfate
BaSO4 content (dry basis) % ≥98
Matter volatile at 105℃ % ≤0.15
Water soluable content % ≤0.09
Fe content % ≤0.001
Whiteness % ≥98
Oil absorption g/100g ±17.5
pH value of aqueous suspension 100g/L suspension ±7.2
Residue on 45μm sieve % ≤0.0006
Marvin particle size distribution D50 μm ≤0.6
Marvin particle size distribution D90 μm ≤1.4