| Model: | powdery/chisto |
|---|---|
| Brand: | Yandang Mountain |
| Origin: | Made In China |
| Category: | Chemicals / Chemical Auxiliary & Catalyst / Chemical Auxiliary |
| Label: | Lead stearate , pvc auxiliary agents , plastic additives |
| Price: |
US $48.42
/ bag
|
| Min. Order: | 20 bag |
| Live Chat: | Last Online:23 Sep, 2014 |
1. Appearance
White powder
2. Molecular structure
RCOOPbOOCR (R is a mixed alkyl of industrial stearic acid)
3. Properties
Lead stearate is white fine powder, density of 1.323g/cm3, melting point 103℃, insoluble in alcohol, soluble in diethyl ether and slightly soluble in water. Cooling into jelly after heating dissolve in organic solvents. In acid decomposing into stearic acid and corresponding lead salt.
4. Technical Index
HG 2337-1992 Standard
|
ITEM |
High-class |
First-class |
Qualified |
|
Lead content（Pb），% |
27.5±0.5 |
27.5±1.0 |
27.5±1.5 |
|
Free acid (in terms of hard acids)%，≤ |
0.8 |
1.0 |
1.5 |
|
Loss on Heating %，≤ |
0.3 |
1.0 |
1.7 |
|
Melting point，℃ |
103～110 |
100～110 |
98～110 |
|
Fineness(0.075mm Aperture sieve）%，≤ |
99.0 |
98.0 |
95.0 |
5. Usage
Lead stearate as a stabilizer and lubricant for PVC, thickening agent for grease, flatting agent for paint, driers for lacquer and paint, etc.
6. Packaging and storage
25kg/bag, normal temperature and dry storage.
t-size�, 0t�� �_� ght:150%; font-family:Arial;mso-font-kerning:0pt'>g/cm3≤
0.35
0.40
0.40
5. Usage
Calcium stearate can used be a thermal stabilizer for PVC and various plastics processing lubricants, mould release agent and so on. In rigid products, Used in conjunction with Alkalinity lead salt and Lead soap can improve plasticizing rate. Also used for food packaging, medical apparatus, such as nontoxic flexible film and equipment. Also can be used as absorbents for Polyethylene and polypropylene halogen, in order to eliminate the adverse effects of remaining catalyst on color and stability. As plasticizer in rubber processing, thickening agent for grease, waterproofing agent for textile, flatting agent for paint, plasticizer for manufacture plastic album. Also used in pencil leads production and pharmaceuticals, perfume industry,etc.
6. Packaging and storage
25kg/bag, normal temperature and dry storage.
| Payment Terms: | TT/PAYPAL/UW |
|---|---|
