It’s white powder, insoluble in water, soluble in hot ethanol and ether. In the presence of inorganic acid, it decomposed into stearic acid and corresponding calcium salt. This products has moisture absorption. This product is non-toxic, no sulfur pollution, has long term thermal stability.
Molecular formula: Ca (C17H35COO)2
It’s white powder, insoluble in water, soluble in hot ethanol and ether. In the presence of inorganic acid, it decomposed into stearic acid and corresponding calcium salt. This products has moisture absorption. This product is non-toxic, no sulfur pollution, has long term thermal stability.
|
Item |
Premium Grade |
First Grade |
Qualified |
|
Appearance |
White powder |
||
|
Calcium content % |
6.5±0.5 |
6.5±0.6 |
6.5±0.7 |
|
Free acid (stearic acid) %≤ |
0.5 |
||
|
Heating loss %≤ |
2.0 |
3.0 |
3.0 |
|
Melting point ℃ |
149-155 |
≥140 |
≥125 |
|
Fineness (through 0.075 mesh)%≥ |
99.5 |
99.0 |
99.0 |
This product is mainly used for PVC non-toxic stabilizer, masterbatch, as lubricant and stabilizer, also can be used as release agent for cosmetics and styrene resin. It can be used as rubber softer and release agent in rubber industry, as well as can used as textile polishing agent and paint flatting agent etc.
20kg/bag, It should be stored in cool and dry surroundings.
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