Zinc Stearate

Zinc Stearate

Zinc Stearate is a zinc salt of stearic acid and a widely used multifunctional additive in plastics, rubber, coatings, construction materials, and other industrial applications. It is valued for its lubricating, hydrophobic, anti-sticking, and release properties.

At Chemoselx, Zinc Stearate is positioned as a versatile processing aid for applications where smooth processing, release performance, surface properties, and material stability are important.

Chemical Formula

Chemical Formula

Zn(C₁₈H₃₅O₂)₂

CAS Number

CAS Number

557-05-1

Appearance

Appearance

Soft, white powder

Grade Available

Grade Available

Industrial Grade

Key Applications

Zinc Stearate provides lubrication, release, hydrophobic, and surface-modifying properties across a broad range of industrial applications.

1

Plastics & PVC

Used as a lubricant, processing aid, release agent, and component of stabilizer systems in polymer processing.

2

Rubber Industry

Used as a lubricant, release aid, and processing additive, including applications associated with rubber vulcanization systems.

3

Paints & Coatings

Used to support sanding, leveling, surface properties, and finish performance in selected coatings and lacquers.

4

Construction Materials

Used as a hydrophobic additive in selected plaster, cement, mortar, and waterproofing applications.

Zinc Stearate Applications

Zinc Stearate – Reliable Lubrication and Release Performance

Zinc Stearate is valued for its hydrophobic character and strong release and lubricating properties. In polymer processing it can support smooth processing and mold release, while in rubber, coatings, and construction materials it can provide useful surface and water-repellent characteristics. Its broad industrial use makes it a valuable additive for manufacturers seeking consistent processing performance.

Zinc Stearate Product

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