Octyl Tin Mercaptide (OTM) CAS 26401-97-8: Comprehensive Product Guide
Table of Contents
1. Technical Specifications & Comparative Analysis
| Parameter | OTM (CAS 26401-97-8) | Dibutyltin Dilaurate | Methyltin Mercaptide |
|---|---|---|---|
| Molecular Formula | C8H17Sn(SC12H25) | C32H64O4Sn | C3H6SnS |
| Molecular Weight | 531.34 g/mol | 631.56 g/mol | 208.84 g/mol |
| Thermal Stability | Up to 220°C | Up to 200°C | Up to 210°C |
| Applications | PVC Stabilization | Polyurethane Catalysis | PVC Processing |
2. Industrial Applications & Functional Benefits
Core Functions in Polymer Engineering
- PVC Stabilization: Prevents thermal degradation during extrusion/injection molding
- Rubber Vulcanization: Accelerates sulfur-based curing processes
- Lubricant Synergy: Reduces friction coefficients in composite materials
3. Operational Use Cases
Scenario 1: High-Speed PVC Pipe Extrusion
OTM enables continuous extrusion at 180-200°C with 0.3-0.5% additive concentration, reducing discoloration by 72% compared to traditional stabilizers.
Scenario 2: Automotive Sealant Production
In EPDM rubber formulations, OTM decreases curing time by 25% while maintaining Shore A hardness of 65±3.
4. Verified Client Implementations
Case Study 1: European PVC Window Profile Manufacturer
Challenge: Yellowing in profiles exposed to UV for 800+ hours
Solution: 0.45% OTM + UV absorber blend
Result: Extended weatherability to 1,200 hours (EN 12608 standard)
Case Study 2: Asian Wire & Cable Producer
Challenge: Die buildup during 24/7 PVC insulation extrusion
Solution: OTM-based stabilization system
Result: 40% reduction in equipment downtime
5. Consultation & Procurement
Request technical documentation or material samples:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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