Calcium Stearate

About Calcium Stearate

[Product Technical Index]Name: Zinc stearate.Structural formula: Zn(C 17H35COO)2Molecular formula: C36H70O4ZnMolecular weight: M=631Physical and chemical properties: white powder, non-toxic, combustible, non-toxic, specific gravity 1.095, solubility 118, insoluble in water, ethanol, soluble in hot organic solvents and acids. It is heated and dissolved in organic solvent and then cooled into a jelly, which is easily decomposed into stearic acid and corresponding zinc salt in strong acid.Quality index: refer to the technical standard of Synthetical industrial Corporation of America.Bs-2818a Special grade of high purity plastic; Used in the petrochemical industry for polyethylene, polystyrene, POLYvinyl chloride and high-grade chemical fiber masterbatch dispersant, heat stabilizer.Bs-2818b Special grade of high purity plastic; Used as heat stabilizer, dispersant and lubricant.Bs-2818c industrial grade; Used as non-toxic stabilizer and depatching agent in plastic processing industry.Specifications Modelappearancemelting point()moisture(%)zinc contentfree acid(%)finenessbulk densityyellow indexAsh content(%)BS-2818AWhite fine powder118-1250.513-15%0.5400(98%pass)250-350kg/m3practical standard of pvc130.5BS-2818BWhite fine powder118-1250.513-15%0.5325(98%pass)250-350kg/m3practical standard of high-grade masterbatch131BS-2818CWhite fine powder118110-11%1200(98%pass)250-350kg/m3chroma>100132[Product Use]As PVC, styrene plastic heat stabilizer, coating, dispersant (paint), smoothing agent, drier, cosmetic lubricant, textile polishing agent, rubber material softener, paper industry waterproofing agent.[Packaging and Storage] : Store and transport in a cool and ventilated place. Do not pile up with acid, alkali and corrosive articles. Make it damp proof, heat proof, fire proof, corrosion proof.