Description

Styrene Butadiene Rubber (SBR) is a synthetic rubber copolymer of styrene and butadiene, known for its excellent abrasion resistance and aging stability. This versatile elastomer is a critical raw material for manufacturers requiring a balance of performance and cost-effectiveness in their products. It is essential for industries such as tire manufacturing, automotive parts, footwear, and industrial goods, where durable, flexible materials are paramount.

Application

• Tire Treads and Carcasses: The primary application, providing the necessary abrasion resistance, traction, and low rolling resistance for passenger and truck tires.
• Automotive Components: Used in belts, hoses, gaskets, seals, and vibration-damping mounts due to its good mechanical properties.
• Footwear: A key material for shoe soles and heels, offering durability, flexibility, and slip resistance.
• Industrial and Conveyor Belts: Provides the toughness and wear resistance required for heavy-duty material handling.
• Adhesives and Sealants: Serves as a base polymer in pressure-sensitive adhesives, mastics, and construction sealants.
• Modified Asphalt and Roofing: Enhances the elasticity, durability, and weather resistance of bituminous materials for roofing and road surfaces.
• Sporting Goods and Mats: Used in the production of floor mats, gymnasium surfaces, and various molded sporting goods.

Basic Information

Product Name	Styrene Butadiene Rubber
CAS No.	61789-96-6
Molecular Formula	(C8H8·C4H6)x
Molecular Weight	Variable (Polymer)
Synonyms	SBR; Styrene-Butadiene Copolymer; Buna S; GR-S (Government Rubber-Styrene); Ameripol; Butadiene-Styrene Rubber; Styrene Butadiene; SB Rubber; Poly(styrene-co-butadiene); ESBR (Emulsion SBR); SSBR (Solution SBR)
EINECS	263-061-1

Quality Control

Our Styrene Butadiene Rubber is manufactured under a stringent quality management system. Each batch is tested against key parameters such as bound styrene content, Mooney viscosity, and volatile matter to ensure consistent performance and lot-to-lot uniformity. Certificates of Analysis (COA) detailing these specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources, open flames, and strong oxidizing agents. For long-term storage, maintaining low humidity is recommended to preserve product integrity.

Specification

Item	Specification
Appearance	Off-white to light amber bale/crumbs
Bound Styrene Content	20.0 - 25.0 %
Mooney Viscosity (ML 1+4 @ 100°C)	45 - 55
Volatile Matter	≤ 0.75 %
Organic Acid	4.50 - 6.50 %
Soap Content	≤ 0.50 %
Ash Content	≤ 1.50 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.