Styrene-Butadiene Rubber (SBR)

Description

1. Product Overview

Styrene-Butadiene Rubber (SBR) is a high-performance synthetic elastomer engineered for durability, resilience, and versatility in industrial applications. Primarily used in tire manufacturing, automotive components, conveyor belts, and molded rubber products, SBR provides exceptional wear resistance and tensile strength. Its balanced chemical structure delivers superior processing stability and cost efficiency compared to natural rubber alternatives. Strategically, SBR is critical in sectors requiring reliable, large-scale elastomer supply, supporting both production scalability and consistent product performance. Its global relevance makes it a cornerstone material for manufacturers seeking dependable quality and long-term operational efficiency.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Copolymer of styrene and butadiene
• Styrene Content: Typically 23–28%
• Butadiene Content: Typically 72–77%
• Physical Form: Solid, granular or crumb form
• Color: Off-white to light yellow
• Density: 0.94–0.96 g/cm³
• Moisture Content: ≤0.5%
• Viscosity / Mooney Value: 50–70 (depending on grade)
• Packaging Options: 25 kg bags, jumbo bags, or bulk in containers
• Shelf Life: 12 months under recommended storage conditions

3. Core Industrial Applications

• Tire & Automotive Industry: Used in passenger car and truck tires, providing high abrasion resistance and low rolling resistance.
• Construction & Infrastructure: Suitable for conveyor belts, seals, and gaskets requiring durable elastomeric properties.
• Consumer & Industrial Goods: Applied in molded products, footwear soles, hoses, and rubber mats for improved flexibility and wear performance.
• Operational Advantages: SBR offers consistent mechanical strength, improved aging and heat resistance, and better processability compared to natural rubber, making it cost-effective and reliable for large-scale production.

4. Competitive Advantages

• Quality Consistency: Manufactured under stringent industrial standards for uniform performance.
• Supply Reliability: Continuous production and global distribution ensure uninterrupted industrial supply.
• Logistics Capability: Bulk handling, flexible packaging, and container-ready loading for optimized transport efficiency.
• Price Competitiveness: Economical alternative to natural rubber without compromising durability.
• Sustainability Benefits: Reduced reliance on natural rubber preserves environmental resources.
• Technical Support: Full documentation, grade specifications, and application guidance available to support industrial integration.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20 MT per 20-foot container (standard)