Stearic acidCharacters and Uses:White flaky or lumpish.It is an important chemical raw material and additive,widely used in rubber,plastics,cosmetics,pharmaceuticals,chemical auxilary agent industries etc.
Diphenylamine
Molecular formula:(C6H5)2NH Molecular weight:169.23
Structive formula:
Product Quality Standard:
Item
Technical Index
1STGRADE
Appearance
White or Light Brown Tablet
Light Brown Tablet
Diphenylamine£¬%¡Ý
99.50
99.00
Freezing Point£¬¡æ¡Ý
52.5
52.3
Alcohol Insoluble Substance£¬%¡Ü
0.05
Moisture£¬%¡Ü
0.3
-
Water Extact Substance
Neutral
Low boiling Point Substance£¬%¡Ü
0.5
High boiling Point Substance£¬%¡Ü
Aniline£¬%¡Ü
0.2
Properties:White crystal..Turn pale and brown yellow when meet lights.Gravity:1.160(20oC),boilpoint:302¡æ,little soluble in water,soluble in alcohol,ether,benzene and so on.Can soluble in concentrated inorganic acid solution,but it can separate out if water is put to dilute.
Application: The product is mainly used for rubber antioxidant, dyestuff, medical intermediate, lubricating oil antioxidant,and powder stablizer.
Package:
Plastic knitted bags lined with black thin film,Weight: 25kg per bag. Package with metal pail, Weight:200kg per pail Package can be on basis of the user's requirements.
Specification
Super
1st
2st
White micro powder
Zn content£¬%
10.3-11.3
10.0-11.5
Free Fatty Acid£¨As Stearic acid£©% ¡Ü
0.8
1.0
1.5
Moisture,% ¡Ü
Melting Point, ¡æ
120¡À5
Fineness(thr. Screen)£¬% ¡Ý
99.0 £¨0.045mm screen£©
99.5 £¨0.075mm screen£©
95.0 £¨0.075mm screen£©
Packing: In net 20kg polywoven bags
Calcium stearate
Characters and Uses:They are white, fine powder, insoluble in water. When mixed with hot, strong mineral acids, they decomposed into stearic acid and corresponding calcium salts.They are widely used as lubricants, slipping agents, heat-stabilizers, mould releasing agents and accelerants in plastic, machinery engineering, rubber, paints and inks industry etc.
Terms
Grade
Melting Point,¡æ¡Ý
149-155
140min
125min
Calcium Content,%
6.50.5
6.50.6
6.50.7
Moisture,%
2.0
3.0
Free Fatty Acid,%
0.5 max
Fineness(thr. mesh 200),%
99.5min
99.0min