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Lead stearate
Product
name |
Lead stearate |
Molecular
formula |
(C17HC35COO)2Pb |
Property |
| White or yellowish powder with poison, density: 1.323, melting point: 103℃～110℃, insoluble in water, soluble in ethanol and aether. |
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Quality
index
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In accordance with HG2337-92
Item |
Quality index |
Top quality |
First quality |
Qualified product |
Lead content % |
27.5±0.5 |
27.5±1.0 |
27.5±1.5 |
Free acid（based on stearic acid）≤% |
0.8 |
1.0 |
1.5 |
Heating loss ≤% |
0.3 |
1.0 |
1.7 |
Melting point °C |
103-110 |
100-110 |
98-110 |
Fineness（pass 0.075mm sieve）≥ % |
99.0 |
98.0 |
95.0 |
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Use |
Used as semi-transparent heat stabilizer for PVC plastic, thickening agent for lubricating grease, flatting agent for paint and lubricant for PVC-glass cloth laminated board etc..
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