Stearates
Stearates are metallic salts of stearic acid, widely used in the plastic and rubber industry as lubricants, stabilizers, mold-release agents, and anti-caking agents. Common types include calcium, zinc, magnesium, and aluminum stearates. They improve processing efficiency, enhance flow, and prevent sticking during molding and extrusion. Stearates also contribute to thermal stability, clarity, and surface finish in various plastic and rubber compounds.Chemical Formula: Varies by type (e.g., Zinc Stearate – C36H70O4Zn)
Chemical Code: Varies (e.g., Zinc Stearate – CAS 557-05-1)
Internal and external lubricant in PVC processing
Acts as an internal and external lubricant in PVC processing to reduce friction, improve flow, and enhance surface finish.Mold release agent in rubber molding
Used as a mold release agent in rubber molding to prevent sticking and ensure smooth demolding of finished products.Thermal stabilizer in thermoplastics
Functions as a thermal stabilizer in thermoplastics to maintain material integrity and prevent degradation at high temperatures