Zinc stearate
Zinc stearate is a zinc salt of stearic acid, a fatty acid naturally present in many foods and oils. Zinc stearate is a fine, white, slightly hydrophobic (water-repellent) powder.
It is used in various industries for its lubricating, anti-caking and stabilizing properties. Here are some of its uses and properties:
Uses :
- Pharmaceutical industry: It is used as a release agent in the manufacture of pharmaceutical tablets. It facilitates the demolding process by preventing tablets from sticking to molds.
- Plastics industry: Used as a lubricant and anti-caking agent in plastics production, notably in films, sheets and molded products.
- Cosmetics industry: It is used in cosmetic products, including powders, creams and lotions, to improve the texture and stability of finished products.
- Food industry: It is used as an anti-caking agent in food powders to improve particle flow.
Properties :
- Lubricant: It acts as a lubricant, reducing friction between particles. This makes it useful in various manufacturing processes.
- Anti-caking: Prevents particles or powders from sticking together, ensuring smooth powder flow.
- Stabilizer: Can act as a stabilizer in certain formulas.