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CAS No. : 557–05–1
H.S.Code : 29159090
 
ZINC STEARATE
SPECIFICATION

Name ZINC STEARATE , Zinc Octadecanoate
Synonyms Octadecanoid acid, Zincum salt
Molecular Formula  [CH 3(CH 2) 16CO 2] 2Zn OR C 36 H 70ZnO 4
Mol.Wt.  632.33
Merck Index No 10292 (12 th Edition)
Beilstein Referance 4-02-00-01206
Structural Formula
PRODUCT DESCRIPTION
ZINC STEARATE is a soft, fine fluffy free flowing bulky powder having characteristic odor. It has mild antiseptic and astringent properties. It imparts smoothness to creams. It is a normal zinc soap of Stearic Acid and find users in many industries.

It is water repellent by nature and insoluble in alcohol & ether but soluble in acids.
SPECIFICATIONS
Specifications (101)
Characteristics  Properties
Appearance White Fine Powder
Solubility Insoluble in Water, Ethanol & Ether
Moisture Content  Less than 2%.
Total Ash Content  Between 14-16%.
Free Stearic Acid  Less than 3%.
Zinc Content (as ZnO) 13-15 %
Bulk Density  0.10-0.20 Gm/CC
Fineness through 240 mesh 99% passes
pH 6.5 – 7.5


Specifications (102)
Characteristics  Properties
Appearance White Fine Powder
Solubility Insoluble in Water, Ethanol & Ether
Moisture Content  Less than 2%.
Free Stearic Acid  Less than 2%.
Zinc Content (as ZnO) App. 8%
Bulk Density  0.3-0.6 Gm/CC
Fineness through 240 mesh 99% passes
pH 6.5 – 7.5


Specifications (103)
Characteristics  Properties
Appearance White Fine Powder
Solubility Insoluble in Water, Ethanol & Ether
Moisture Content  Less than 1%.
Total Ash Content Between 13-16%.
Free Stearic Acid Less than 4%.
Zinc Content (as ZnO) 13-16 %
Bulk Density 0.3-0.5 Gm/CC
Fineness through 240 mesh 99% passes.
pH 6.5 – 7.5
ZINC STEARATE APPLICATIONS & USES
RUBBER  : Used as dusting powders to prevent sticking of unvulanised rubber sheet. As an additive in rubber compounds to improve flow and dispersion of vulcanising agent throught the compound.
PLASTICS : Internal lubricants and mould release agents for Polystyrene, Phenolics, Polyolefins, Nylon, Melamine Master Batches and Urea
POLYESTER (SMC/DMC) : Lubricant and mould release
ABBRASIVES : As a component in the coating of abrasive papers and sanding sealers.
COATINGS : As a flatting agent in certain Paints,Varnishes and Lacquers
PRINTING INKS : Acts as dulling agent
PVC Compounds : ZINC STEARATE is a mild Stabilizer and cannot be used alone, mixtures with other Stabilizers particularly Alkaline Earth Metal Stearates with Epoxy Stabilizers is quit effective. This is non toxic and non sulphur stainings. Hence blends with CALCIUM STEARATE are specially usefull in non toxic FDA approved compounds.
PACKING
Laminated HDPE Bags with separate liner inside


NOTE : The tests and results shown were conducted in our laboratories. They do not constitute a guarantee and it is suggested that you carry out your own evaluations prior to the adoption of these products.

NOTE : The products are offered without patent protection. For this reason and before submitting orders, it is purchaser’s responsibility to ensure that products requested are not covered by any patent in his country.

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