Lead Stearate CAS 1072-35-1: Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Chemical Name: Lead Stearate
CAS Number: 1072-35-1
Molecular Formula: Pb(C18H35O2)2
Appearance: White crystalline powder
Melting Point: 105-112°C
Solubility: Insoluble in water, soluble in organic solvents
Comparative Analysis
| Parameter | Lead Stearate | Calcium Stearate | Zinc Stearate |
|---|---|---|---|
| Thermal Stability | Excellent | Good | Moderate |
| Lubrication Efficiency | High | Medium | Low |
| Heavy Metal Content | Contains Pb | Pb-Free | Pb-Free |
2. Key Applications of Lead Stearate
2.1 PVC Stabilization
Acts as primary heat stabilizer in rigid PVC formulations, preventing degradation during extrusion at 180-210°C.
2.2 Industrial Lubrication
Reduces friction in metalworking processes with load-bearing capacity up to 300MPa.
2.3 Coating Additive
Enhances water resistance in paints with 15-20% improvement in hydrophobic properties.
3. Implementation Scenarios
3.1 PVC Pipe Manufacturing
Dosage: 1.2-1.8% by weight
Result: 40% reduction in production defects
3.2 Automotive Cable Production
Application: Insulation material processing
Benefit: 25% faster extrusion rates
4. Verified Customer Success Stories
Case 1: Polymer Solutions Inc. (USA)
Challenge: Thermal degradation in PVC window profiles
Solution: 1.5% Lead Stearate integration
Outcome: 60% longer equipment lifespan
Case 2: Global Coatings Ltd. (Germany)
Challenge: Poor paint adhesion on metal substrates
Solution: 0.8% additive formulation
Outcome: ASTM D3359 adhesion rating improved from 2B to 4B
5. Request Customized Solutions
Contact our technical team for formulation optimization:
Email: info@vivalr.com
Phone: (86) 15866781826
Request SDS, COA, or customized technical packages today.
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