Dibasic Lead Stearate (CAS 56189-09-4) Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Dibasic Lead Stearate (CAS 56189-09-4), also known as dibasic lead octadecanoate or lead stearate, is a white powder with the molecular formula C36H70O4Pb and a molecular weight of 774.14 g/mol. It is insoluble in water but soluble in organic solvents like ether.
Key Specifications:
| Property | Value |
|---|---|
| Purity | ≥99% |
| Density | 1.323 g/cm³ |
| Melting Point | 260°C (decomposition) |
| Flash Point | 162.4°C |
| HS Code | 29157090.00 |
2. Key Applications
- PVC Stabilizer: Acts as a heat stabilizer and lubricant for semi-transparent PVC products, enhancing thermal stability during high-temperature processing.
- Wire & Cable Insulation: Improves electrical performance in PVC-based insulation materials.
- Lubricant Additive: Functions as a thickening agent in industrial lubricants.
- Polymer Processing: Reduces friction and improves flow properties in polymer extrusion and molding.
3. Usage Guidelines
Recommended Dosage:
- PVC Products: 0.5–2.0% by weight
- Lubricants: 1–3% depending on viscosity requirements
Safety Precautions:
- Use PPE (gloves, goggles) to avoid direct contact
- Store in a cool, dry environment (15–25°C)
- Comply with local regulations for lead-containing compounds
4. Industry Case Studies
Case 1: PVC Pipe Manufacturer
A Chinese manufacturer achieved 20% longer extrusion equipment lifespan by incorporating 1.5% dibasic lead stearate into PVC pipe formulations, reducing thermal degradation.
Case 2: Automotive Cable Producer
A European cable company improved insulation durability by 35% using this compound in PVC cable coatings, meeting IEC 60227 standards.
5. Contact for Inquiries
For technical specifications, bulk pricing, or customized solutions:
Email: info@vivalr.com
Tel: (86) 15866781826



评论
目前还没有评论。