Zinc Stearate: A Versatile Industrial Compound
Introduction
Zinc stearate, often referred to as a “zinc soap,” plays a vital role in various industries. In this article, we’ll explore its properties, applications, and significance.Get more news about Zinc Stearate,you can vist our website!

Chemical Composition and Properties
Chemical Formula: C₃₆H₇₀O₄Zn
Molar Mass: 632.33 g/mol
Appearance: Soft, white powder
Melting Point: 120 to 130 °C (248 to 266 °F)
Solubility: Insoluble in water, ethanol, and ether; slightly soluble in benzene
Applications
Release Agent and Lubricant:
Zinc stearate is widely used as a mold release agent in the production of rubber, polyurethane, and polyester objects. Its “non-stick” properties make it effective in preventing sticking during molding processes.
Cosmetics:
In cosmetics, zinc stearate serves as a lubricant and thickening agent, enhancing product texture.
Accelerated Rubber Sulfur Vulcanization:
Zinc stearate acts as an “activator” in rubber vulcanization. Its presence positively influences the reaction of sulfur with polyolefins.
Conclusion
Zinc stearate’s versatility and hydrophobic nature make it indispensable in various industrial applications. Whether in plastics, rubber, or cosmetics, this compound continues to play a crucial role.