Water Absorbable Industrial Fine Chemicals CAS 557-05-1 Dibasic Zinc Stearate

Basic Information
Place of Origin: CHINA
Brand Name: MOSINTER
Certification: COA
Model Number: Rubber Chemical Auxiliaries - 9
Minimum Order Quantity: 25KGS
Price: Negotiation
Packaging Details: Aluminum foil bag, kraft paper bag
Delivery Time: Within 7 days
Payment Terms: T/T, Western Union
Supply Ability: 200-300 MTS/month
Detail Information
Name: Zinc Stearate CAS: 557-05-1
Form: Powder Molecular Formula: C36H70O4Zn
Molecular Weight: 632.33 Melting Point: 128-130 °C(lit.)
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Product Description

Zinc stearate CAS 557-05-1 Dibasic zinc stearate Industrial Fine Chemicals​

White powder, insoluble in water, soluble in hot ethanol, benzene, toluene, turpentine and other organic solvents;Decomposition into stearic acid and corresponding salt;Under dry conditions, fire hazard, spontaneous combustion point 900℃;Has the water absorbability



Item Index
Appearance White powder
Zinc, % 10.3-11.3
Mp, ≥ ℃ 120
Moisture, % ≤ 1.0
Free fatty acids, % ≤ 0.5
200 mesh pass rate, %





1. 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 to improve texture.

2. It is an "activator" for rubber vulcanization by sulfur and accelerators. As discovered in the early days of vulcanization, zinc has a beneficial effect on the reaction of the sulfur with the polyolefin. The stearate is a form of zinc that is highly soluble in the nonpolar medium of the polyolefins.

3. Being lipophilic, it functions as a phase transfer catalyst for the saponification of fats.


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