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Technical Data Sheet
Zinc Stearate
Name: Zinc stearate
CAS NO.557-05-1
Molecular formula: [CH3(CH2)16COO]2Zn
Characters: Zinc stearate is white powder,greasy to touch without sand sense,fatty odor,innoxiously,flammable,insoluble in water,solve in hot ethanol,benzol etc.slowly decomposes into stearic acid and zinc salts when reacting with strong acid.
Applications
Zinc stearate can be applied in the manufacturing of PVC innoxious products,and its performance will be better if use with calcium stearate and darium stearate,can improve the light stability of PVC products.Its dosage in the PVC usually not more than 1%.While applying in rubber products,PF,PE,PS and EPS polymer additives even the manufacturing of pencil core,dosage:usually 1%-3%.
Specification
Test items |
Specification |
Appearance |
white and fine powder |
Assay of Zn |
10.3%~11.3% |
Free acid |
≤0.8% |
Loss on drying |
≤1.0% |
Melting point |
120±5℃ |
Particle size ( Pass 325 mesh) |
≥99.5% |
Package:Polywoven bag, PE film inner lined. Net wt: 20kg/bag. We also can pack according to customers’requirements.
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