|
Mixed fatty acids
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Appearance: light yellow solid at room temperature.
Manufacturing process: fat→hydrolysis→centrifugal
separation→distillation
Packaging: Plastic barrel or plastic lined iron barrel.
| |
for rubber/emulsifier |
for soap |
| Color (Lovibond)≤ |
2.0 yellow/1.5 red |
light yellow |
| Neutralization value |
202-207 |
190-210 |
| Iodine value |
38-46 |
35-70 |
| Unsaponifiable matter ≤ |
1.5 |
1.5 |
| Freezing point °C |
40-47 |
50-32 |
| Water %≤ |
0.3 |
0.3 |
Stearic acid
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Appearance: powder, granules, leaflest or lumps.
Specification: in accordance with GB9103-88
Use: as plastic or rubber additive, as excipient in drug and
cosmetics.
Packaging: compound PP woven bag, n.w. 25Kg.
| |
200# |
400# |
800# |
| Iodine value, ≤ |
2 |
4 |
8 |
| Saponification value |
206-211 |
203-214 |
193-220 |
| Acid value |
205-210 |
202-212 |
192-218 |
Color (Hazen), ≤
|
200 |
400 |
400 |
| Freezing point, °C |
54-57 |
≥54 |
≥52 |
| Water %, ≤ |
0.20 |
0.20 |
0.30 |
| Inorganic acids %, ≤ |
0.001 |
0.001 |
0.001 |
Oleic acid
---------------------------------------
Appearance: light yellow oil, insoluble in water, soluble
in ethanol.
Manufacturing process: fat→hydrolysis→fractionation→centrifugal
separation →decoloring, drying→Packaging
Use: in manufacture of oleate, waterproofing textile, pharmaceutic
aid, lubricating oil, etc.
Packaging: plastic barrel.
| |
10°C oleic acid |
15°C oleic acid |
| Freezing point, °C ≤ |
≤10 |
≤15 |
| Iodine value |
80-100 |
90-110 |
| Acid value |
190-203 |
185-203 |
| Saponification value |
190-205 |
186-205 |
| Water, % < |
0.5 |
0.5 |
| Color, ALPHA < |
400 |
400 |
Glycerol
---------------------------------------
Appearance: colorless syrupy liquid.
Specification: in accordance with QB167-62
Use: widely used in food, drug, cosmetics, etc.
Packaging: galvanized iron barrel.
| |
Pharmaceutical grade |
Industrial grade |
| A |
B |
| Transparency |
pass |
pass |
| Odor |
No foreign odor |
| Density (25°C/25°C), ≥ |
1.2569 |
1.2491 |
1.2306 |
| Purity %, ≥ |
98 |
95 |
88 |
| As, ppm ≤ |
2 |
|
|
| Heavy metal, ppm ≤ |
5 |
|
|
| Ash, % ≤ |
0.01 |
0.05 |
0.25 |
| Litmus test |
Neutral |
Neutral |
Neutral |
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