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Styrene butadiene SBR 1502 is a widely used, general-purpose synthetic elastomer produced by emulsion polymerization of styrene and butadiene, and is considered an industry benchmark due to its stable quality and predictable performance.
Containing approximately 23.5% styrene, Styrene butadiene SBR 1502 provides a balanced combination of abrasion resistance, flexibility, toughness, and good processability, making it suitable for both dynamic and static rubber applications.
Styrene butadiene SBR 1502 cures effectively with conventional sulfur vulcanization systems, disperses fillers such as carbon black efficiently, and is extensively used in tires and mechanical rubber goods due to its favorable cost-performance balance.
CAS number: 9003-55-8
EC number: 618-370-2
Molecular formula: (C8H8·C4H6)n
Synonyms: Styrene-Butadiene Rubber 1502, SBR 1502, E-SBR 1502, Emulsion Styrene-Butadiene Rubber 1502, Cold Polymerized SBR 1502, General Purpose SBR 1502, Non-Oil Extended SBR 1502, Synthetic Styrene-Butadiene Rubber 1502, Styrene-Butadiene Copolymer 1502, Cold SBR Rubber 1502, Standard Grade SBR 1502, Tire-Grade SBR 1502, Industrial SBR 1502, Sulfur-Curable SBR 1502, Non-Staining SBR 1502, Emulsion Polymerized SBR, Styrene-Butadiene Elastomer 1502, General Purpose Synthetic Rubber SBR 1502, E-SBR Cold Rubber 1502, Reference Grade SBR 1502
Styrene butadiene SBR 1502 is a general-purpose, oil-free emulsion-polymerized synthetic rubber widely used in the rubber industry as a reference grade.
Styrene butadiene SBR 1502 is a copolymer of styrene and butadiene, typically containing about 23.5% styrene, which provides a balanced combination of abrasion resistance, elasticity, and processability.
Styrene butadiene SBR 1502 offers good compatibility with carbon black and other fillers, cures well with conventional sulfur vulcanization systems, and delivers consistent mechanical performance at an economical cost.
Although Styrene butadiene SBR 1502's resistance to ozone, UV, and oils is limited without protective additives, its versatility and cost-performance balance make it a standard choice for tires and a wide range of technical rubber products.
Styrene butadiene SBR 1502 is a cold polymerized, 23.5% styrene SBR polymer made with a mixed-acid emulsifier, nonstaining stabilizer, and salt-acid coagulation.
Styrene butadiene SBR 1502 exhibits the excellent tensile strength, abrasion resistance, flexibility and recovery properties that are characteristic of “cold” rubbers.
This non-staining, non-discolouring polymer offers a complete range of bright, colourful stocks capable of satisfying requirements in a variety of products.
Styrene butadiene SBR 1502 is is obtained by copolymerization of butadiene with a-methylstyrene at a temperature of (4-8)°C where used as emulsifier is a mixture of disproportionated rosin and synthetic fatty acid soaps or complex emulsifiers.
Styrene butadiene SBR 1502 is a type of synthetic rubber.
Styrene butadiene SBR 1502 is a copolymer made from styrene and butadiene, produced through an emulsion polymerization process.
Styrene butadiene SBR 1502 is widely used in the manufacture of tires, footwear, industrial rubber goods, and various automotive components due to its good abrasion resistance, excellent aging stability, and strong resilience.
Styrene butadiene SBR 1502 offers a balanced performance in terms of cost and properties, making it one of the most popular synthetic rubbers in the industry.
Styrene butadiene SBR 1502 is a cold, 23.5% styrene SBR polymer made with a mixed-acid emulsifier, a non-staining stabilizer and a salt–acid coagulation.
Provided that the compounds are formulated and processed correctly, the vulcanizates have very good abrasion, good heat and aging resistance, good mechanical properties, good electrical properties and good resistance to polar solvents and dilute acids.
Styrene butadiene SBR 1502 is essentially a styrene (23.5%) and butadiene (76.5%) copolymer obtained by emulsification method with the use of resin/fatty soaps.
Styrene butadiene SBR 1502 is styrene (23.5%) and butadiene (76.5%) copolymer obtained by cold emulsion polymerization using the soaps of resin and fatty acids.
Styrene butadiene SBR 1502 is stabilized by non-staining antioxidant and contains no nitrosamines and substances that may become a source of nitrosamines.
Styrene butadiene SBR 1502 is a cold polymerized styrene-butadiene rubber (SBR) that stands out for its exceptional performance in various applications.
Characterized by Styrene butadiene SBR 1502's excellent tensile strength, abrasion resistance, flexibility, and recovery properties.
Styrene butadiene SBR 1502 is a popular choice for the manufacturing of tires, footwear, mechanical goods, and other rubber-based products.
The “1502” designation is indicative of specific characteristics and properties of the rubber, including Styrene butadiene SBR 1502's styrene content and polymerization method.
Cold polymerization, opposite to hot polymerization, results in a rubber with enhanced properties, such as lower heat build-up and improved resistance to degradation.
The precise composition and processing of Styrene butadiene SBR 1502 contribute to its versatility and suitability for a wide range of applications.
Styrene butadiene SBR 1502 is a widely used, general-purpose synthetic elastomer produced by emulsion polymerization of styrene and butadiene.
Styrene butadiene SBR 1502 is classified as a non-oil-extended E-SBR grade and is considered one of the industry’s benchmark materials due to its stable quality, predictable behavior, and broad applicability across rubber formulations.
Styrene butadiene SBR 1502 structure, containing a moderate styrene content of around 23–24%, provides a balanced combination of flexibility, toughness, and abrasion resistance, making Styrene butadiene SBR 1502 suitable for both dynamic and static rubber applications.
From a processing perspective, Styrene butadiene SBR 1502 exhibits good mixing characteristics and disperses fillers such as carbon black and silica efficiently, allowing formulators to tailor mechanical properties over a wide range.
Styrene butadiene SBR 1502 shows reliable scorch safety and cures effectively with conventional sulfur-based vulcanization systems, producing vulcanizates with consistent tensile strength, hardness, and wear resistance.
Compared to natural rubber, Styrene butadiene SBR 1502 offers improved heat and aging stability, while still maintaining acceptable elasticity and resilience for most general applications.
In terms of performance, Styrene butadiene SBR 1502 provides good abrasion resistance, moderate tensile strength, and stable mechanical behavior under repeated stress, which explains its extensive use in tire components and mechanical rubber goods.
However, Styrene butadiene SBR 1502's resistance to ozone, weathering, oils, and solvents is inherently limited, and therefore antioxidants, antiozonants, or blending with other elastomers such as BR or NR is commonly applied to enhance durability in demanding environments.
Uses of Styrene Butadiene SBR 1502:
Styrene butadiene SBR 1502 is widely used in the rubber industry for the production of tires and general-purpose rubber goods due to its balanced mechanical properties and cost efficiency.
Styrene butadiene SBR 1502 is commonly applied in tire tread, sidewall, and carcass compounds, where good abrasion resistance and consistent performance are required.
Beyond tires, Styrene butadiene SBR 1502 is used in footwear soles, conveyor belts, hoses, seals, gaskets, rubber sheets, mats, and various molded or extruded technical rubber products.
Styrene butadiene SBR 1502's good processability and compatibility with fillers such as carbon black also make it suitable for blending with natural rubber or polybutadiene rubber to optimize elasticity, wear resistance, and durability in industrial applications.
Styrene butadiene SBR 1502 is general-purpose rubber.
Whatever Styrene butadiene SBR 1502 is widely used in tire, rubber technical, shoe, cable, and other industries for the production of automobile tires and tubes, a wide assortment of rubber technical articles, white and color shoes, cable and children’s toys castings, and so on.
Styrene butadiene SBR 1502 is used in a variety of applications due to its versatile properties.
Some of Styrene butadiene SBR 1502's primary uses include:
Tires:
Styrene butadiene SBR 1502 is commonly used in the manufacture of car, truck, and bus tires, especially in treads and sidewalls, due to its good wear resistance and durability.
Footwear:
Styrene butadiene SBR 1502 is used in the production of shoe soles and other components because of its flexibility and resilience.
Industrial Rubber Goods:
This includes hoses, belts, seals, gaskets, and conveyor belts, which benefit from Styrene butadiene SBR 1502’s excellent mechanical properties and resistance to abrasion.
Automotive Parts:
Components such as vibration dampers, seals, and various molded rubber parts are made from Styrene butadiene SBR 1502.
Adhesives and Sealants:
Styrene butadiene SBR 1502 is used as a base material for adhesives and sealants due to its strong bonding properties.
Rubber Flooring:
Styrene butadiene SBR 1502's durability and flexibility make it suitable for rubber mats and flooring applications.
Construction Materials:
Styrene butadiene SBR 1502 is used in waterproofing membranes, roofing materials, and other construction-related products.
Sports Goods:
Equipment like balls, grips, and protective gear are often made using SBR due to Styrene butadiene SBR 1502's shock-absorbing properties.
Uses Area:
Styrene butadiene SBR 1502 is commonly used in the production of car tires for several key reasons:
Wear resistance:
Styrene butadiene SBR 1502 offers excellent abrasion and wear resistance, which is essential for tire longevity and durability.
This property helps tires withstand rough road conditions and ensures a longer lifespan.
Good balance of strength and flexibility:
Styrene butadiene SBR 1502 provides a good combination of tensile strength and flexibility, making tires durable while allowing them to absorb shocks and vibrations, improving ride comfort.
Cost-effectiveness:
Styrene butadiene SBR 1502 is relatively inexpensive compared to natural rubber, which makes it a cost-effective choice for tire manufacturers without compromising on performance.
Heat resistance:
Car tires are subjected to high temperatures, especially during prolonged driving.
Styrene butadiene SBR 1502 exhibits good resistance to heat, which helps prevent tire degradation under such conditions.
Compatibility with other materials:
Styrene butadiene SBR 1502 is often blended with other types of rubber (like natural rubber or butadiene rubber) in tire formulations, which allows manufacturers to fine-tune the tire’s properties to meet specific performance requirements.
Good traction on wet surfaces:
Styrene butadiene SBR 1502 contributes to the tire’s performance on wet roads by providing a balance between grip and rolling resistance, which enhances safety and fuel efficiency.
Advantages of Styrene Butadiene SBR 1502:
Water resistance
Shear growth resistance
Resistant to abrasion as well as fatigue
Resistance to flexural cracking
Mane pressure
Flexible at low temperatures
Flexible at low temperatures
Durability and tensile strength and good elasticity
Resistant to acid and alcohol
Oxidation resistance
Heat resistant
Impact resistance
Resistance to weathering
Resistant to sunlight
Properties of Styrene Butadiene SBR 1502:
Styrene butadiene SBR 1502 is one of the SBR rubber products known for its excellent abrasion resistance, high tensile strength, and flexibility.
Styrene butadiene SBR 1502 exhibits moderate weather and water resistance, making it suitable for indoor and outdoor applications.
With low heat buildup and good electrical insulation properties, Styrene butadiene SBR 1502 finds use in automotive tires, conveyor belts, gaskets, and molded rubber goods.
Cost-effective and compatible with various fillers, Styrene butadiene SBR 1502 is a versatile choice for a wide range of industrial applications.
Stability and Reactivity of Styrene Butadiene SBR 1502:
Chemical stability:
Styrene butadiene SBR 1502 is chemically stable under normal conditions of use, handling, and storage.
Reactivity:
No hazardous reactions are expected under normal industrial conditions.
Conditions to avoid:
Excessive heat, open flames, sparks, and prolonged exposure to strong UV radiation or ozone sources.
Incompatible materials:
Strong oxidizing agents.
Hazardous decomposition products:
Thermal decomposition may produce carbon monoxide (CO), carbon dioxide (CO₂), hydrocarbons, and irritating fumes.
Handling and Storage of Styrene Butadiene SBR 1502:
Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid excessive dust generation during cutting, grinding, or mechanical processing.
Prevent contact with strong oxidizing chemicals.
Storage:
Store in a cool, dry, and well-ventilated area away from direct sunlight and heat sources.
Storage conditions:
Protect from ozone, UV radiation, and high temperatures to minimize oxidative and thermal aging.
Packaging materials:
Original packaging or clean, inert containers.
Shelf life:
Long shelf life when stored under recommended conditions.
First Aid Measures of Styrene Butadiene SBR 1502:
Inhalation:
Not normally hazardous.
If fumes or thermal decomposition products are inhaled, move the affected person to fresh air and seek medical attention if symptoms persist.
Skin contact:
Wash with soap and water.
No adverse effects are expected under normal use.
Eye contact:
Rinse cautiously with water for several minutes.
Seek medical advice if irritation develops or persists.
Ingestion:
Not expected to be harmful.
Rinse mouth with water and seek medical attention if large amounts are ingested.
Firefighting Measures of Styrene Butadiene SBR 1502:
Suitable extinguishing media:
Water spray, foam, dry chemical powder, or carbon dioxide (CO₂).
Specific hazards:
Combustion may release toxic gases such as carbon monoxide (CO) and carbon dioxide (CO₂).
Protective equipment for firefighters:
Self-contained breathing apparatus and full protective clothing.
Firefighting instructions:
Cool containers exposed to fire with water spray to prevent overheating and pressure buildup.
Accidental Release Measures of Styrene Butadiene SBR 1502:
Personal precautions:
Wear appropriate personal protective equipment.
Avoid dust formation during cleanup.
Environmental precautions:
Prevent uncontrolled release into the environment where possible.
Methods for cleanup:
Collect material mechanically and place in suitable containers for disposal according to local regulations.
Exposure Controls / Personal Protective Equipment of Styrene Butadiene SBR 1502:
Engineering controls:
Provide adequate ventilation in processing and handling areas.
Respiratory protection:
Not normally required.
Use a dust mask or respirator if airborne dust is generated.
Hand protection:
Protective gloves recommended during prolonged or repeated handling.
Eye protection:
Safety glasses or goggles recommended in industrial environments.
Skin protection:
Standard work clothing; additional protective clothing as required by process conditions.
Identifiers of Styrene Butadiene SBR 1502:
Product name: Styrene butadiene SBR 1502
Chemical name: Styrene-butadiene copolymer
Synonyms: SBR 1502, E-SBR 1502, Emulsion Styrene-Butadiene Rubber
Polymer type: Synthetic elastomer, emulsion-polymerized SBR
CAS number: 9003-55-8
EC number: 618-370-2
Molecular formula: (C₈H₈·C₄H₆)ₙ
Chemical family: Synthetic rubber / elastomer
Appearance: Solid rubber, baled or slab form
Odor: Slight, characteristic rubber odor
Intended use: Industrial raw material for rubber compounding and manufacturing applications
Properties of Styrene Butadiene SBR 1502:
Physical state: Solid elastomer (baled rubber)
Color: Off-white to light beige
Odor: Slight, characteristic rubber odor
Density: Approximately 0.94 g/cm³
Mooney viscosity (ML 1+4, 100 °C): Typically 48–58
Styrene content: Approximately 23–24%
Glass transition temperature (Tg): Approximately −50 °C
Oil content: None (non-oil-extended grade)
