Specifications
1.Used for production of stearic acid salts
2.Used on plastics,rubber, paper,cosmetics
3.Two appearence:flake,granule
1.Chmical name:stearic acid
Molecular Formula: CH3(CH2)16COOH
Molecular weight:284.48
CAS NO. 57-11-4
2.Appearance: Glossiness, white soft small piece, including crystal grain
3.Properties:
Shaped like Lump, flake; Saturated fatty acid mainly with C16 and C18, white flake solid at ambient temperature, not dissolved in water, slightly dissolved in benzene and carbon bisulfide, and easily dissolved in hot alcohol. No smell no poison. It has the general chemical properties of organic carboxylic acid.
4.Specification:
Index 200
Triple Pressed 400
Double Pressed 800
Single pressed
Iodine g/100g <= 2.0 4.0 8.0
Soap Value mg/g 206-211 203-214 193-220
Acid Value mg/g 205-210 202-212 192-218
Color (Hazen) <= 200 400 800
Freezing Point 54-57 >=54 >=52
Water content % <= 0.20 0.20 0.20
Inorganic acid %<= 0.001 0.001 0.001
5.Characteristics and Uses:
1)In rubber industry: Stearic acid is used as vulcanization activator of rubber ploymer 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 other way. Stearic acid is also used to make release agent, calcium steatate, anti-foam additive, Drug-free, Environment-friendly materials.
6.Package:Woven bag lined with plastic bag inner, 25kg per bag.