Product Description

Molecular formular ： BaSO4 CAS: ********7 Property : colorless sloping square crystal, or white indefinite formal powder , specific weight: 4.5(*5℃)，hardly soluble in water ，organic solvent and acid ， soluble in hot concentrated sulfuric acid 。 Uses：widely used in different coating material（aqueous, oily and powder coating material）, oil and ink, paper-making, plastic(shell of household electrical appliance, contruction plastic), filling agent for insulating plastic cement and rubber products of high grade。Cathode plumping agent for storage batteries. Also suitable for making enamelling material for pottery and enamel Industry. Packing: *5kg/bag, *0kg/bag net each in 1. P, Pwoven bag lined with *****; 2. white kraft; 3. black kraft; 4. multilayer bleed mouthful paper bag. Caution: guard against danpness , tear and pollution , and keep away from coloured goods for storage . Standard and control index (GB/T********6) Items GB/T********6 Fine grade Control index Fine grade first grade Special for powder coating material Special for emulsion paint BaSO4(as per dry), % ≥ *8.0 *8.0 *8.0 *8.5 *7.0 Volatility(**5℃), % ≤ 0.*0 0.*0 0.*5 0.*0 0.*0 Soluble in water, % ≤ 0.*0 0.*0 0.*5 0.*8 0.*0 Finess(particle size *0.8um), % ≤ 0.*0 0.*0 0.*0 0.*6 0.*6 PHvalue(**0g/l suspension) 6.5~9.0 6.5~8.5 6.5~8.5 6.5~8.5 6.5~8.5 Iron(fe) ≤ 0.**4 0.**3 0.**4 0.**2 0.**2 Whiteness ≥ *4.0 *5.0 *4.0 *5.0 *5.0 Oil absorption(g/**0g), % *5~*5 *5.5~*0 *5.5~*0 *5.5~*8 *5.5~*0 Particle size distributi-on <*0 um, % ≥ *0.0 *7.0 *7.0 *8.0 *8.0 <5um, % ≥ *0.0 *6.0 *6.0 *7.0 *7.0 2um, ≥ *5.0 *0.0 *5.0 *0.0 *0.0