Description

Lead Stearate is a metallic soap of stearic acid, widely recognized in industry for its role as a heat stabilizer and lubricant. This compound is essential for enhancing the thermal processing stability of polymers and improving the flow properties of various materials. It is a critical additive for manufacturers in the plastics, paint, and coatings industries seeking to improve product performance and processing efficiency.

Application

• PVC Stabilizer: Acts as a primary or secondary heat stabilizer in polyvinyl chloride (PVC) formulations, preventing degradation during high-temperature processing.
• Lubricant in Plastics: Serves as an internal and external lubricant in plastic compounding, reducing friction and improving mold release.
• Paint & Coatings Drier: Functions as a catalyst to accelerate the drying (oxidation) of oils in paints, varnishes, and printing inks.
• Waterproofing Agent: Used in construction materials and fabrics to impart water-repellent properties.
• Grease & Wax Thickener: Employed as a gelling agent in the production of certain lubricating greases and industrial waxes.
• Cosmetics & Personal Care: Used in limited, specific grades as an opacifying agent or lubricant in products like powders.

Basic Information

Product Name	Lead Stearate
CAS No.	7428-48-0
Molecular Formula	Pb(C18H35O2)2 or C36H70O4Pb
Molecular Weight	774.15 g/mol
Synonyms	Lead(II) stearate; Stearic acid, lead salt; Dibasic lead stearate; Lead distearate; Plumbous stearate; Octadecanoic acid, lead(2+) salt; NSC 8428
EINECS	231-072-1

Quality Control

Our Lead Stearate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and performance reliability. Production adheres to relevant industry guidelines, and each lot is tested against key parameters for identity, purity, and physical properties. A comprehensive Certificate of Analysis (COA) detailing assay, heavy metal content, and other critical specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizers. Keep container tightly sealed when not in use to minimize exposure to moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	White fine powder
Identification (IR)	Conforms
Assay (as Pb)	26.0 - 28.0 %
Lead Monostearate	≤ 3.0 %
Moisture (Loss on Drying)	≤ 1.0 %
Acid Value	≤ 5.0 mg KOH/g
Fineness (Passing 200 mesh)	≥ 99.0 %
Heavy Metals (as Pb)	Reported on COA

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.