Trade name: Zinc stearate
Chemical name: Zinc stearate
Package: bags with 15/20 kg net weight
Zinc stearate is a mixture of zinc salts of stearic and fatty acids.
Technical characteristics
Chemical formula: С36H70O4Zn.
CAS No.: 557-05-1 / 51731-04-5.
Sphere of application
- as a vulcanization activator and plasticizer of rubber and rubber compounds and a powder for preventing sticking of rubber products;
- as a lubricating agent in the plastics processing; heat stabilizer of PVC products: linoleum, shoe plastic, artificial leather, packaging films, press powders and other materials;
- levelling agent in polyurethane and nitrocellulose lacquer;
- as a water-repellent agent in the production of building materials and plaster mixtures to protect building structures from moisture;
- in the cosmetics industry it is a part of powders of decorative cosmetics, such as powder, eye shadows, improving the degree of their adhesion and covering properties and as a repellent in ointments, a thickener in creams;
- in pulp and paper industry as an excipient, which gives the mixture homogeneity, and makes the surface of the finished paper and cardboard products smooth;
- in the production of ceramic products it increases the viscosity and ductility of working masses and the stability of finished products;
- in metallurgy it is introduced into the composition of press powders as a lubricating agent and as an additive that increases the wear resistance of products.
Name of quality criteria, according to TC U 20.5-25069903-006:2020 |
Value |
Appearance |
white powder |
Moisture mass fraction, %, not more |
1.0 |
The Zn content in terms of ZnO, %, within |
13-15 |
Melting point, °C, within |
118-126 |
Mass fraction of free fatty acids, %, not more |
1.0 |
Residue after sieving with 0315, %, not more |
1.0 |
Bulk density kg / l, within |
0.30-0.45 |