Antioxidant 1520 (CAS 110553-27-0): Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Antioxidant 1520 (CAS 110553-27-0) is a sulfur-containing phenolic antioxidant widely recognized for its exceptional thermal stability and long-term oxidation resistance in polymer systems.
Key Parameters:
| Parameter | Specification |
|---|---|
| Chemical Name | 4,6-Bis(octylthiomethyl)-o-cresol |
| Molecular Weight | 424.7 g/mol |
| Melting Point | 90-95°C |
| Thermal Stability | >300°C (decomposition) |
| Solubility | Excellent in most organic solvents |
2. Key Applications & Functional Advantages
Primary Industrial Uses:
- Polymer Stabilization: Extends service life of polypropylene (PP), polyethylene (PE), and engineering plastics
- Rubber Products: Prevents ozone cracking in tires and industrial rubber goods
- Lubricant Additive: Enhances oxidative stability of industrial oils and greases
Performance Advantages:
- 30% longer thermal aging resistance vs standard phenolic antioxidants
- Synergistic effect with phosphite secondary antioxidants
- Low volatility at high processing temperatures
3. Performance Comparison with Alternatives
| Antioxidant | Thermal Stability | Color Stability | Cost Efficiency |
|---|---|---|---|
| 1520 (CAS 110553-27-0) | ★★★★★ | ★★★★☆ | ★★★★☆ |
| Antioxidant 1010 | ★★★★☆ | ★★★☆☆ | ★★★☆☆ |
| Antioxidant 1076 | ★★★☆☆ | ★★★★☆ | ★★★★★ |
4. Implementation Case Studies
Case 1: Automotive PP Components
Challenge: Dashboard components failing after 800hrs at 110°C
Solution: 0.3% Antioxidant 1520 + 0.15% Phosphite synergist
Result: 1,200hr lifespan achieved with retained mechanical properties
Case 2: HDPE Pipe Systems
Challenge: Crack formation in underground installations
Solution: 0.4% Antioxidant 1520 masterbatch
Result: 15-year warranty certification achieved
5. Verified Customer Success Stories
ABC Polymers Ltd. (UK)
Application: High-temperature cable insulation
Implementation: Reduced antioxidant dosage by 40% while maintaining 150°C rating
Outcome: Annual savings of €220,000 in material costs
ElastoTech Industries (USA)
Application: Oil-resistant rubber seals
Implementation: Extended replacement intervals from 6 to 18 months
Outcome: 92% reduction in maintenance downtime
6. Technical Consultation & Ordering
Optimize your formulations with our material science experts:
- Email: info@vivalr.com
- Phone: (86) 15866781826
Why Choose Us?
✓ Technical support for dosage optimization
✓ Customized masterbatch solutions
✓ ISO-certified manufacturing facilities



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