Zinc Stearate: A Versatile Industrial Compound

Zinc Stearate: A Versatile Industrial Compound
Zinc stearate, with the chemical formula C[sub]36[/sub]H[sub]70[/sub]O[sub]4[/sub]Zn, is a compound composed of variable proportions of stearic and palmitic acids. It is commonly referred to as a “zinc soap” due to its metal salt nature, specifically a zinc salt of stearic acid. Let’s explore its properties, applications, and uses.Get more news about Zinc Stearate,you can vist our website!
Properties:
Appearance: Zinc stearate appears as a soft, white powder.
Odor: It has a slight, characteristic odor.
Solubility: Insoluble in water, ethanol, and ether; slightly soluble in benzene.
Melting Point: Ranges from 120 to 130 °C (248 to 266 °F).
Density: Approximately 1.095 g/cm[sup]3[/sup] in solid form.
Hazards: It is labeled as a warning substance due to its potential health and environmental risks.
Applications:
Mold Release Agent: Zinc stearate is widely used as a mold release agent in various industries, including plastics and rubber. Its hydrophobic properties make it effective for releasing molded objects.
Rubber and Polyurethane Processing: It serves as a non-stick additive in rubber and polyurethane production systems.
Cosmetics: Zinc stearate acts as a lubricant and thickening agent in cosmetics, improving texture and application.
Accelerated Rubber Sulfur Vulcanization: Zinc stearate enhances the vulcanization process in rubber by acting as an “activator” when sulfur reacts with polyolefins.
Paints: It is a component in some paints, providing gloss.
Conclusion:
Zinc stearate’s versatility and unique properties make it indispensable in various industrial applications. From enhancing cosmetics to aiding in rubber production, this compound continues to play a vital role in diverse sectors.