General Structure of Zinc Stearate

General Structure of Zinc Stearate

Properties of Zinc Stearate

Zinc Stearate, a metal soap, is a water-repellent agent and is preferred for surfaces requiring water repellency in mortars, joint compounds, and insulation materials used in cement. In addition to all of these, it also has the property of being used as a lubricant. The necessary explanations are available for the products manufactured with these preferences. It has a compatible structure with rubber and plastics.

Technical Values of Zinc Stearate

Zinc Stearates have a white color in terms of appearance. It is in fine powder form and does not dissolve in water. However, to dissolve it, it should be mixed with hot, strong mineral acids. Thus, it is decomposed into zinc sulfates corresponding to stearic acid. It is used as a lubricant, primarily in plastics, and in the machine engineering, rubber, ink, and paint industries. It is also preferred as lubricating agents, mold release agents, heat stabilizers, and accelerators. While used as an agent in water-based inks, it also provides transparency, anti-foaming, fast drying, and stabilization effects in water-based paints. It is also preferred for providing the smoothness desired in cosmetic products. In the paper industry, it is used to provide water resistance on the surfaces of papers, from special papers to thermal papers. The polishing property of Zinc Stearates in polishing and sandpaper is important. For this purpose, it has a quality that resists abrasion and also increases the water resistance of the surface.


  • Type: Technical
  • Formula: [CH3(CH2)16COO]2Zn
  • Appearance: Powder, White
  • Cas No: 557-05-1
  • Melting Point: 120-124 C degrees
  • Density: 0.997 g/cm3
  • Molecular Weight: 623.33 g/mol
  • Moisture: 0.98%
  • Storage: In a dry and cool place, away from sunlight
  • Packaging: 25 kg and 500 kg bags are used