Zink Stearat

Zinc Stearate (chemical formula: Zn(C18H35O2)2) is a zinc salt of stearic acid, a long-chain fatty acid. It is a white, fine powder that is relatively insoluble in water but soluble in organic solvents like benzene and chloroform.

Chemical Structure:

Zinc Stearate consists of two molecules of stearic acid (C18H35COOH), each bonded to a zinc ion (Zn2⁺) through their carboxyl group (-COOH).

Physical Properties:

• Appearance: White, waxy, or powdery substance.

• Melting Point: Around 120–130 °C.

• Solubility: Practically insoluble in water but soluble in organic solvents.

Applications of Zinc Stearate:

Zinc Stearate is widely used across various industries and products, including:

As a Lubricant:

• In the plastics industry, Zinc Stearate serves as a lubricant to facilitate the processing of plastic materials.

• It helps reduce friction and improves machinery efficiency during the manufacturing of plastics and rubber.

In Cosmetics and Skincare:

• Used in products such as baby powder for its emollient and absorbent properties.

• Enhances texture in creams, lotions, and deodorants while reducing friction.

In Paints and Coatings:

• Acts as a drying agent in paints and varnishes, accelerating the drying process by reacting with the oils in the paint.

In the Rubber Industry:

• Zinc Stearate functions as an activator in rubber vulcanization, promoting the chemical reactions required to cure rubber.

As a Mold Release Agent:

• Serves as a release agent in molding processes for plastics and rubber, making it easier to remove finished products from molds.

In Pharmaceutical Products:

• Used as a filler or excipient in tablets and other pharmaceutical formulations.

Biological and Safety Considerations:

Zinc Stearate is generally regarded as safe for use in cosmetics and pharmaceuticals. However, like all chemicals, it should be handled appropriately.

• Health Risks:

  Ingestion of large amounts or inhalation of dust can be harmful.

• Skin and Eye Contact:

  In case of contact, rinse thoroughly with water.

Summary:

Zinc Stearate is a versatile chemical used as a lubricant, drying agent, mold release agent, and activator in a variety of industrial processes. Its properties make it valuable in the plastic and rubber industries and in cosmetics and pharmaceutical products. As a zinc salt of stearic acid, it offers practical benefits like friction reduction, drying enhancement, and product texture improvement.

 

Zinc Stearate is available in bulk and sacks.

 

For further details about Zinc Stearate, including quantities and pricing, please contact us at [email protected] or by phone at +45 30 32 06 90.