Table of Contents
- Product Overview
- Specification Comparison
- Key Applications
- Usage Guidelines
- Industry Case Studies
- Request Sample/Quote
Styrene Butadiene Rubber (CAS 9003-55-8) Technical Profile
Basic Parameters
| Property | Specification |
|---|---|
| CAS Number | 9003-55-8 |
| Chemical Formula | (C4H6·C8H8)n |
| Appearance | Milky white to amber solid |
| Molecular Weight | Varies by polymerization degree |
| Density | 0.93-0.95 g/cm³ |
| Glass Transition Temp | -50°C to -65°C |
Grade Comparison Table
| Grade Type | SBR 1502 | SBR 1712 | SBR 1778 |
|---|---|---|---|
| Styrene Content | 23.5% | 23.5% | 40% |
| Mooney Viscosity | 52±5 | 48±7 | 55±5 |
| Primary Applications | Tire treads | Industrial belts | High-impact products |
Industrial Applications
1. Tire Manufacturing
Accounts for 70% of global SBR consumption. Provides optimal balance between wear resistance (60-80 Shore A) and wet traction performance.
2. Industrial Products
Used in conveyor belts (30-50% SBR content), vibration dampers, and sealing components requiring compression set resistance <25%.
3. Footwear
Midsole formulations with 40-60 phr SBR achieve 300% elongation at break with tear strength >20 kN/m.
Processing Recommendations
| Parameter | Optimal Range |
|---|---|
| Storage Temperature | 5-35°C |
| Mixing Temperature | 140-160°C |
| Vulcanization Time | 5-15 minutes |
| Max Continuous Temp | 100°C |
Documented Use Cases
Case 1: Tire Manufacturer Optimization
Client: Southeast Asian tire producer
Challenge: Reduce rolling resistance by 15% while maintaining wet grip
Solution: SBR 1721 with 37% vinyl content
Result: Achieved 18% fuel efficiency improvement (SAE J2452 standard)
Case 2: Footwear Production
Client: European sports brand
Requirement: Develop eco-friendly soles with 50% recycled content
Implementation: SBR 1502 + 30% reclaimed rubber
Outcome: Met EN ISO 20344:2021 standards with 25% cost reduction
Technical Consultation & Sampling
Contact our polymer engineers for:
- Custom compound development
- Technical data sheets (ISO 9001 certified)
- Batch testing reports
Email: info@vivalr.com
Tel: (86) 15866781826
Available: Mon-Fri 8:00-17:00 GMT+8
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