Zinc stearate
English name: Zinc Stearate
Molecular formula: Zn(OOCH35 C17 )2
Property: It is white flammable nontoxic powder with specific gravity of 1.095. It can dissolve in hot common solvent and acid, but not in water, ethanol or aether. It will become to glue when cooled after being heated in the organic solvent and be decomposed to stearate or salt when meet strong acid and can absorb moisture in air.
Specification :
Testing items |
Excellent |
Free acid(accounted as stearic acid),%≤ |
0.8 |
Melting point,℃≥ |
120±5 |
Zinc content, % |
10.3-11.3 |
Heating loss,% ≤ |
0.8 |
Fineness, %≥ |
99.0(mesh of 0.045mm) |
Usage :
1.As nontoxic stabilizer of PVC in consumption of 0.1～1% generally.
2.As lubricant of cosmetics.
3.As mould releasing agent of powder metallurgy and plastics products etc..
4.As sulfuration accelerator of rubber products.
Package: Plastic bag, lined with PE bag, 20KG weight.