Lead stearate

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

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Product Description

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.

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0.35

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.