Zinc Stearate

Zinc Stearate

Zinc Stearate. Zinc Stearate is a zinc soap known for repelling water and is used in the cosmetics and personal care industries as a lubricant. It is an insoluble salt made of commercial stearic acid, a mild fatty acid used as an emollient and lubricant, and is often combined with zinc oxide. Zinc stearate is a â??zinc soapâ?? that is widely used industrially. In this context, soap is used in its formal sense, a metal salt of fatty acid: in this case stearic acid. It is a white solid that repels water. It is insoluble in polar solvents such as alcohol and ether but soluble in aromatic hydrocarbons (e.g., benzene) and chlorinated hydrocarbons when heated. It is the most powerful mold release agent among all metal soaps. It contains no electrolytes and has a hydrophobic effect. Its main application areas are the plastics and rubber industry, where it is used as a releasing agent and lubricant which can be easily incorporated. Zinc Stearate is formed by combining Stearic Acid & Zinc Oxide, the latter of which is an organic white powder compound with a slight characteristic odor. It is insoluble in water, ethyl alcohol & diethyl ether & soluble in acids. In comparison to other metallic stearate, zinc stearate has a low melting point (120 degree C), so it spreads very evenly when heated. Uses and Application of Zinc Stearate- Act as an anti-caking Agent in powdered cosmetics. Act as a lubricant & thickening Agent used to improve texture.. Zinc Stearate is used in plastics and rubber industries, where it is used as a lubricant & release or powdering agent. It functions as an acid scavenger & processes acid in certain Polyolefin applications. It serves as a lubricant acid in sanding sealers and as a flattening agent in paints and coatings. In construction, it is utilized as hydrophobic agents for plasters. In pharmaceuticals & nutraceuticals, it facilitates mould release for tabulating.

Zinc Stearate 1.Formula: Zn(C17H35COO)2 2.Properties: Zinc stearate is white or light yellow powder. It is dissolved in hot alcohol; but not in water. It can be decomposed into stearic acid and corresponding salt by strong acid. The product possessed water absorbability in air. 3.Usage: The product is used as PVC stabilizer, rubber lubricant, glazing agent, paint flatting agent and cosmetic material in the textile industry, etc. 4.Quality standard: ItemsStandard Zn2+ %10.7 í+ 0.5 Free acid (C17H35COO)22- %í_ 1.0 Melting point ípCí¦ 120 Heating loss %í_ 1.0 Size (through 75ª¦m sieve) %í¦ 99.5 20kg/bag with outside pp weaving bag and inside bis-PVC bag.

Appearance: white fine powder Moisture (%): 0.5 max Free fatty acid (%): 0.5 max Melting point (oc): 120 ¦ 3 Zinc content (%): 11.0 ¦ 0.5 Ash content (%): 13.5 ¦ 0.5 Water soluble salts: non Fineness (thru 400 mesh) (%): 100 20 kgs/bag

Appearance White Powder Molecular Weight 631 Specific Gravity 1.095 Moisture , % 1.0 Max. Melting Point 120 (+/-) 5 Degree C Particle Size -200 Mesh Bulk Density, Gm/CC 0.20 (+/- 0.03) Zinc content (as ZnO), %13.0 min Purity , % 99.0 min Free Fatty Acid , % 1.0 Max. Iodine Value of Separated Fatty Acid 3.0 Max. Packing 25 Kg. HDPE bags with LDPE liners Suggested Application -In cosmetics like face powder & pharmaceuticals to improve properties of smoothness & adhesion. -In paints. -In plastic & rubber processing. 25 Kg HDPE bags with LD liner.

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Zinc Stearate Dioxide rendered lightweight fine white powder, flammable, Insoluble in water, alcohol, ether, soluble in hot ethanol, turpentine, benzene and other organic solvents and acids. It will be heated and dissolved in an organic solvent become cold gelatinous body, the case of decomposition of stearic acid and corresponding zinc salts, water absorption, no toxicity. Product Usage used as a PVC stabilizer. Barium-cadmium soap complexes, mainly used in soft products, is characterized by initial coloration can be suppressed to avoid sulfide pollution; used as styrene , phenolic resins, amino resins and plastics and other heat-cured polyester plasticizers, transparent products such as lubricants and release agents; rubber industry, as rubber lubricants. as a cosmetic ingredient for powder cosmetics to enhance adhesion and lubricity. can be used for textiles lighting agent, enamel paint and flatting agents.

It is widely used as a release agent for the production of many kinds of objects: rubber, polyurethane, polyester processing system, powder metallurgy. These applications exploit its "non-stick" properties. In cosmetics, zinc stearate is a lubricant and thickening agent used to improve texture.

Zinc stearate is in the form of white fine powder with high-temperature resistance. It is extremely resistant to water and provides excellent water-repellent properties to various applications. Having perfect non-stick properties, Zinc Stearate is frequently used in the polymer manufacturing industry. Zinc Stearate has high purity, coloring, and dispersed ability. Zinc Stearate is mostly used as release agents and lubricants for plastics and rubber. In the paint and coatings industry, it helps to suspend pigments, improves grindability and gloss. It is also added as a flattening agent to lacquers. Moreover, it serves as a supply of zinc, which is a benefit in some processes like the manufacturing of PVC Stabilizer Ca/Zn based.