Precipitated barium sulfatePurity (%): 96%-98.5%Appearance: white powderApplication: used in rmaceutical industry, leather industry, printing and dyeing industryAssay 90~99%,200~10000 mesh.HS codeMolecular formula: BaSO4CAS No.: 7727-43-7H.S. CodeMelting point: 1580degree, becomes crystal when 1149degree, easy to go lump when it is dried.Relative density: 4.5 (15degree)
Solubility of Precipitated Barium Sulfate: insoluble in wait and acid. Only 0.0024g/100g in water, soluble in concentrated sulfuric acid but water, alcohol, thin acid. Becomes lump when it is dried. No poison of industry precipitated barium sulfate itself, but maybe it is ble Barium.
Test item | Specification | |
Reagent grade | rmaceutical grade | |
Appearance | Conform | Conform |
Hydrochloric acid soluble substance /% | ≤0.15 | ≤0.25 |
Calcination weightlessness /% | ≤1.5 | ≤1.5 |
Chloride (Cl)/% | ≤0.005 | ≤0.02 |
Soluble sulfate (SO4)/% | ≤0.005 | ≤0.01 |
Nitrogen compounds (N)/% | ≤0.0005 | ≤0.001 |
Ferric (Fe) /% | ≤0.0005 | ≤0.001 |
Arsenic (As)/% | ≤0.0001 | ≤0.001 |
Soluble BeiYan (Ba)/% | ≤0.0001 | ≤0.0005 |
Heavy metal (Pb)/% | ≤0.0005 | ≤0.001 |
1. Paint & coating:It can be applied into paint & coating to control the painting’s viscosity, brighten the colors, improve the stability and enhance the impacting strength of coating products.2. Fillers:To be used in rubber tires, rubber, plastic sheet, tape, engineering plastics products for enhancing product’s anti-aging performance, can also significantly improve surface smoothness and products’ hardness to reduce production cost.3. Functional materials:To be used in papermaking materials (mainly for paste products), flame-retardant materials, X-defense materials, battery cathode materials. It’s an indispensable and important component of concerned materials which able to demonstrate the unique properties.4. BaSO4 in-Other field:To be used in porcelain, material for glass, special resin, taken place the Titanium Dioxide as the white pigment.
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