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Zinc Stearate (CAS 557-05-1) is the most powerful mold release agent among metallic soaps. It is an essential internal lubricant for PVC processing and a flatting agent in high-end lacquers. In the pharmaceutical and cosmetic industries, it acts as an anti-caking agent and lubricant. Listings feature material with high whiteness and consistent bulk density.
Secure verified supply of material with specific melting points and low free-fatty acid levels, essential for high-temperature polymer processing.
Internal lubricant & stabilizer (PVC/PS)
Anti-tack & Release agent
Flatting & sanding agent
Thickener & anti-caking agent
Tablet lubricant
Shell molding release
Water repellent additive
Polyester catalyst additive
Leading petrochemical producers
Ready stock at Ports
Compliant transport
Generally non-toxic. Dust may form explosive mixtures with air. Inhalation of high concentrations may cause respiratory irritation.
No. Zinc Stearate is highly hydrophobic (water-repelling). It will float on water and is very difficult to wet.
It is a 'Sanding Agent'. In wood lacquers, it allows the dried coating to be sanded smoothly without clogging the sandpaper.
Zinc stearate is a better lubricant and release agent but is more expensive. Calcium stearate is a better acid scavenger in PVC.
Yes, it is widely used in food packaging and cosmetics and is considered safe for human contact.