heat stabilizers PVC Haro chem P28G;Lead distearate;Lead(II)n-octadecanoate;Octadecanoic acid, lead(2+) salt;Octadecanoicacid,lead(2+)salt;octadecanoicacid,lead(2++)salt;P-289;P-51
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Lead stearate is white, fine powder, insoluble in water. When mixed with hot, strong mineral acids, they decomposed into stearic acid and corresponding barium salts.
CAS: 1072-35-1
Molecular Formula:C36H70O4Pb
Usage:
It is mainly used as PVC heat-stabilizers, having lubricity and creamy, light fastness and heat resistance. Be used in hard or soft PVC products, but also as a grease thickening agents and grease paint plain agent.
Specification:
tem |
Index |
||
Superior products |
First grade |
Qualified products |
|
Lead content % |
27.5±0.5 |
27.5±1.0 |
27.5±1.5 |
Free acid≤% |
0.8 |
1.0 |
1.5 |
Heat loss ≤% |
0.3 |
1.0 |
1.7 |
Melting point |
103-110 |
100-110 |
98-110 |
Perticle Seze(through 75um sieve) |
99.0 |
98.0 |
95.0 |
Package:20Kg/bag , woven bag outside plastic inside
It can be packed according to customer’s requirement.
Storage: Be stored in a cool dry place, moisture, sun protection, fire protection, keep distance with the acid or alkali corrosive substances.
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