Supply of zinc stearate 13669876212 Mr. Wang. (Plastic grade, rubber grade, paint grade), S220, S250. 1. English name: ZINC STEARATE 2. Structural formula: (C17H35COO)2Zn 3. Molecular formula: C36H70O4Zn 4. Physical and chemical properties: White hygroscopic powder with a pleasant odor. Flammable. Density 1.095g/cm3. Insoluble in water, soluble in acid. It melts in organic solvents upon heating and becomes a gel-like substance upon cooling. Decomposes into stearic acid and corresponding salts when encountering strong acids. 5. Quality standards: Indicators Primary indicators Secondary indicators Appearance White fine powder White fine powder Zinc content 10.2-11.2 9.5-11.5 Free acid % ≤0.5 ≤1 Loss on drying % ≤1 ≤2 Melting point ℃ ≥118 ≥110 Fineness passing through 200 mesh ≥98 ≥98 6. Uses: Mainly used as a non-toxic stabilizer for polyvinyl chloride, it can also be used as a release agent for ethylene-based resins in cosmetics. In the rubber industry, it serves as a softening and separating agent for rubber compounds, and can also be used as a glossing agent for textiles and a leveling agent for paints.
