Lead 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 lead 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.
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Grade |
Best quality |
Better quality |
Quality |
Melting point ℃≥ |
103-110 |
100-110 |
98-110 |
Pb Content,% |
27.5 0.5 |
27.51.0 |
27.51.5 |
Water Content, %≤ |
0.3 |
1.0 |
1.7 |
Free Acid (calculating by stearate acid) %≤ |
0.8 |
1.0 |
1.5 |
Size (through 0.075 mm mesh rate), %≥ |
99.0 |
98.0 |
95.0 |
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