Zinc Stearate

Zinc Stearate is a zinc salt derived from stearic acid, forming a white to pale yellow powder commonly used as a lubricant and release agent in industrial processes. It is typically supplied as a fine powder with a zinc content of approximately 12-13%, and has a melting point range between 120-130°C. Key properties include its hydrophobic nature and thermal stability up to 210°C, which make it suitable for enhancing material handling and processing efficiency. Finstar supplies Zinc Stearate in packaging options such as 20 kg bags, drums, or bulk quantities available upon request. Buyers should note that Zinc Stearate performs best when stored in a cool, dry, and well-ventilated area, avoiding exposure to moisture and incompatible materials like strong oxidizing agents. Typical application rates vary by industry but often range from 0.5% to 3% by weight depending on the formulation requirements.

In plastics manufacturing, Zinc Stearate acts as an effective lubricant and processing aid, reducing friction and preventing material adhesion to equipment surfaces. This minimizes defects such as sticking and surface blemishes, ultimately improving production efficiency and product quality. In rubber production, it serves as a release agent to facilitate mold release and improve product finish. Its anti-caking properties in food processing and cosmetics prevent clumping and ensure consistent texture and flow, critical for quality control and operational consistency.