Molecular Weight : 284.48
MF: CH3(CH2)16COOH
Other name: octadecanoic acid
Appearance: glossiness, white soft small piece, including crystal grain.
We are specialized in supply Stearic Acid used for rubber, plastic ,cosmetic ,textile for
many years.
Our products are all supplied to the international market,The annual exportation is up to
24000 tons.
Specification of stearic acid:
Terms |
specification |
Grade |
triple pressed(200) |
double pressed(400) |
single pressed(800) |
Appearance |
white flake, granular |
white flake, granular |
white flake, granular |
Iodine value |
2.0max |
4.0max |
8.0max |
Sapon value |
206-211 |
203- 214 |
193-220 |
Acid value |
205-210 |
202-212 |
192-218 |
Hazen |
200max |
400max |
800max |
Titer, °c |
54-57 |
54min |
52min |
Moisture,% |
0.2max |
0.2max |
0.3max |
Inorganic,% |
0.001max |
0.001max |
0.001max |
Application of stearic acid:
1)In rubber industry: Stearic acid is used as vulcanization activator of rubber polymer and latex,
also softener.
2) In plastics industry: Stearic acid is widely used in pipes, board, profile and film as plasticizer,
stabilizer, lube lubricant.
3)In textile industry: Yarn lubricant.
4).In curing agent, plastic heat stabilizer, wetting agent, textile softener, chemical fiber oil, anti-static agent, edible emulsifier.
5)In cosmetics, detergent and the intermediates of various surfactants, etc.
6).In other way. Stearic acid is also used to make release agent, calcium steatate, anti-foam additive, Drug-free, Environment-friendly.