STYRENE BUTADIENE RUBBER (SBR 1502)

Styrene Butadiene Rubbers (SBR 1502) is a non-oil-extended emulsion-polymerized synthetic rubber containing approximately 23.5% bound styrene.

Styrene Butadiene Rubbers (SBR 1502) provides abrasion resistance, tensile strength, processability, flexibility, and consistent vulcanization behavior.

Styrene Butadiene Rubbers (SBR 1502) is used in tires, footwear, flooring, hoses, seals, cables, mechanical rubber goods, and light-colored molded products.

CAS Number: 9003-55-8

EC Number: 618-370-2

Molecular Formula: Variable copolymer structure, commonly represented as [C₈H₈]x[C₄H₆]y

Molecular Weight: Variable and very high; dependent on polymer-chain length and molecular-weight distribution

SYNONYMS

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APPLICATIONS

Styrene Butadiene Rubbers (SBR 1502) serves as a base elastomer in passenger-vehicle tire sidewall compounds.
Styrene Butadiene Rubbers (SBR 1502) provides abrasion resistance, flexibility, and processing consistency while the complete compound controls ozone and weathering resistance.

Styrene Butadiene Rubbers (SBR 1502) supports white-sidewall tire formulations requiring minimum staining and discoloration.
Styrene Butadiene Rubbers (SBR 1502) permits the use of white and light-colored pigments when a compatible non-staining additive package is selected.

Styrene Butadiene Rubbers (SBR 1502) functions in tire carcass compounds requiring strength, fatigue performance, and adhesion to reinforcing materials.
Styrene Butadiene Rubbers (SBR 1502) can be blended with natural rubber or other synthetic elastomers to adjust processing and dynamic properties.

Styrene Butadiene Rubbers (SBR 1502) contributes to bicycle-tire compounds for sidewalls, carcasses, and selected tread components.
Styrene Butadiene Rubbers (SBR 1502) helps provide wear resistance and dimensional consistency in properly reinforced and vulcanized formulations.

Styrene Butadiene Rubbers (SBR 1502) supports tire-repair and retreading compounds after application-specific formulation testing.
Styrene Butadiene Rubbers (SBR 1502) must be balanced for adhesion, cure compatibility, heat buildup, fatigue, and bonding to the existing tire structure.

Styrene Butadiene Rubbers (SBR 1502) functions in footwear sole compounds requiring abrasion resistance and economical processing.
Styrene Butadiene Rubbers (SBR 1502) can produce durable molded soles when combined with suitable fillers, plasticizers, pigments, and curing agents.

Styrene Butadiene Rubbers (SBR 1502) contributes to shoe heels requiring hardness, wear resistance, and dimensional stability.
Styrene Butadiene Rubbers (SBR 1502) allows hardness and resilience to be adjusted through filler loading, oil content, and vulcanization conditions.

Styrene Butadiene Rubbers (SBR 1502) supports white and light-colored footwear components because the grade uses a non-staining stabilization system.
Styrene Butadiene Rubbers (SBR 1502) helps minimize unwanted color migration while the remaining compounding ingredients must also be non-staining.

Styrene Butadiene Rubbers (SBR 1502) functions in resilient floor coverings and rubber flooring products.
Styrene Butadiene Rubbers (SBR 1502) contributes wear resistance, pigment compatibility, cushioning, and controlled hardness in cured flooring compounds.

Styrene Butadiene Rubbers (SBR 1502) supports rubber mats used in commercial, household, transportation, and industrial environments.
Styrene Butadiene Rubbers (SBR 1502) can provide slip-resistant texture and abrasion performance when the surface pattern and compound are correctly designed.

Styrene Butadiene Rubbers (SBR 1502) serves as a general-purpose elastomer in molded mechanical rubber goods.
Styrene Butadiene Rubbers (SBR 1502) supports economical production of components requiring moderate tensile, tear, and wear performance.

Styrene Butadiene Rubbers (SBR 1502) contributes to extruded rubber profiles used as strips, channels, bumpers, and protective edges.
Styrene Butadiene Rubbers (SBR 1502) provides stable extrusion behavior when viscosity, filler dispersion, temperature, and die design are controlled.

Styrene Butadiene Rubbers (SBR 1502) functions in industrial hose covers and tubes intended for water, air, or mild service conditions.
Styrene Butadiene Rubbers (SBR 1502) is generally unsuitable for prolonged contact with petroleum oils or fuels unless the complete compound has been specifically validated.

Styrene Butadiene Rubbers (SBR 1502) supports garden hoses, utility hoses, and low-pressure hose constructions.
Styrene Butadiene Rubbers (SBR 1502) can be blended with other elastomers to improve weathering, flexibility, adhesion, or fluid resistance.

Styrene Butadiene Rubbers (SBR 1502) contributes to conveyor belts and material-handling belts requiring abrasion-resistant rubber layers.
Styrene Butadiene Rubbers (SBR 1502) can be used in covers or skim compounds when adhesion to textile or metallic reinforcement is adequately developed.

Styrene Butadiene Rubbers (SBR 1502) functions in gaskets and sealing components intended for water, air, and non-oily environments.
Styrene Butadiene Rubbers (SBR 1502) must be tested for compression set, temperature resistance, swelling, aging, and the exact contacting medium.

Styrene Butadiene Rubbers (SBR 1502) supports refrigerator gaskets and light-colored appliance-sealing components.
Styrene Butadiene Rubbers (SBR 1502) provides color compatibility and flexibility while low-temperature performance depends on the full compound design.

Styrene Butadiene Rubbers (SBR 1502) contributes to wire and cable compounds requiring flexible insulation, bedding, or protective sheathing.
Styrene Butadiene Rubbers (SBR 1502) must be formulated with suitable flame-retardant, electrical, weathering, and aging additives for the intended cable standard.

Styrene Butadiene Rubbers (SBR 1502) supports automotive mechanical goods such as boots, pads, covers, and vibration-control components.
Styrene Butadiene Rubbers (SBR 1502) can provide useful fatigue and abrasion performance where severe oil, fuel, ozone, or high-temperature exposure is absent.

Styrene Butadiene Rubbers (SBR 1502) functions in vibration isolators, machinery pads, and cushioning components.
Styrene Butadiene Rubbers (SBR 1502) allows stiffness, damping, resilience, and load-bearing behavior to be adjusted through formulation and geometry.

Styrene Butadiene Rubbers (SBR 1502) contributes to sporting goods requiring light-colored, resilient, and abrasion-resistant rubber.
Styrene Butadiene Rubbers (SBR 1502) can be used in balls, grips, protective components, exercise products, and molded accessories after performance testing.

Styrene Butadiene Rubbers (SBR 1502) supports toys and recreational rubber articles where the exact compound satisfies applicable safety standards.
Styrene Butadiene Rubbers (SBR 1502) does not independently establish suitability for children’s products because pigments, curatives, fillers, and residual substances must also be assessed.

Styrene Butadiene Rubbers (SBR 1502) functions in rubber sheets used for cushioning, packing, lining, and general fabrication.
Styrene Butadiene Rubbers (SBR 1502) can be calendered into uniform sheet when compound viscosity, temperature, filler loading, and roll conditions are controlled.

Styrene Butadiene Rubbers (SBR 1502) contributes to roller coverings and non-specialized rubberized surfaces.
Styrene Butadiene Rubbers (SBR 1502) must be evaluated for hardness, abrasion, friction, heat buildup, chemical contact, and bonding to the roller core.

Styrene Butadiene Rubbers (SBR 1502) serves in laboratory and production rubber-compounding programs requiring a standardized general-purpose E-SBR grade.
Styrene Butadiene Rubbers (SBR 1502) can be evaluated through Mooney viscosity, cure rheometry, tensile testing, abrasion, tear, hardness, aging, and dynamic analysis.

DESCRIPTION

Styrene Butadiene Rubbers (SBR 1502) is a general-purpose emulsion styrene-butadiene rubber grade.
Styrene Butadiene Rubbers (SBR 1502) is produced through low-temperature or cold emulsion copolymerization of styrene and 1,3-butadiene.

Styrene Butadiene Rubbers (SBR 1502) contains approximately 23.5% chemically bound styrene by weight.
Styrene Butadiene Rubbers (SBR 1502) commercial specifications commonly permit a bound-styrene range of approximately 22.5–24.5%.

Styrene Butadiene Rubbers (SBR 1502) contains approximately 76.5% butadiene-derived polymer units by nominal monomer balance.
Styrene Butadiene Rubbers (SBR 1502) has a random copolymer structure whose exact sequence and microstructure depend on polymerization conditions.

Styrene Butadiene Rubbers (SBR 1502) is a non-oil-extended grade and therefore does not contain the processing-oil extension characteristic of many other SBR grades.
Styrene Butadiene Rubbers (SBR 1502) allows the compounder to select the type and amount of processing oil according to the final application.

Styrene Butadiene Rubbers (SBR 1502) is commonly stabilized with a non-staining antioxidant system.
Styrene Butadiene Rubbers (SBR 1502) is consequently suitable for white, pastel, bright, and dark-colored compounds requiring reduced discoloration.

Styrene Butadiene Rubbers (SBR 1502) is commonly manufactured using rosin-acid and fatty-acid soaps as emulsion-system components.
Styrene Butadiene Rubbers (SBR 1502) polymer latex is subsequently coagulated, washed, dewatered, dried, and formed into solid bales.

Styrene Butadiene Rubbers (SBR 1502) normally appears as light-tan or pale solid bales.
Styrene Butadiene Rubbers (SBR 1502) color can vary slightly with antioxidant type, residual soap, organic acids, processing history, and storage conditions.

Styrene Butadiene Rubbers (SBR 1502) has a typical specific gravity of approximately 0.94.
Styrene Butadiene Rubbers (SBR 1502) has a typical Mooney viscosity near 52 ML (1+4) at 100°C, with commercial ranges commonly near 46–58.

Styrene Butadiene Rubbers (SBR 1502) specifications commonly limit volatile matter to approximately 0.5–0.75% and ash to approximately 1% maximum.
Styrene Butadiene Rubbers (SBR 1502) can contain several percent residual organic acids derived from the emulsion and coagulation system.

Styrene Butadiene Rubbers (SBR 1502) mixes readily with carbon black, mineral fillers, process oils, zinc oxide, sulfur, accelerators, and antioxidants.
Styrene Butadiene Rubbers (SBR 1502) final properties are determined by compounding and vulcanization rather than by the uncured polymer alone.

Styrene Butadiene Rubbers (SBR 1502) generally provides strong abrasion resistance, useful tensile strength, good flexibility, and stable scorch behavior.
Styrene Butadiene Rubbers (SBR 1502) typically offers easier processing consistency than natural rubber but lower raw green strength and tack.

Styrene Butadiene Rubbers (SBR 1502) has limited inherent resistance to ozone, sunlight, oxidation, petroleum oils, and hydrocarbon fuels.
Styrene Butadiene Rubbers (SBR 1502) requires appropriate protective additives or blending with more resistant elastomers when these exposures are important.

Styrene Butadiene Rubbers (SBR 1502) is generally not classified as hazardous in the solid bale form under normal industrial handling conditions.
Styrene Butadiene Rubbers (SBR 1502) can nevertheless release irritating fumes during overheating or combustion and may cause slight mechanical irritation during cutting or grinding.

PROPERTIES

Product Type: Non-Oil-Extended Emulsion Styrene-Butadiene Rubber

Polymer Class: Random Styrene-Butadiene Copolymer

CAS Number: 9003-55-8

EC Number: 618-370-2

Molecular Formula: Variable Copolymer, [C₈H₈]x[C₄H₆]y

Molecular Weight: High and Variable

Physical Form: Solid Bales

Appearance: Light Tan to Pale Brown

Bound Styrene: Typically 23.5%; Common Specification 22.5–24.5%

Mooney Viscosity: Typically Approximately 52 ML (1+4) at 100°C

Specific Gravity: Approximately 0.94

Oil Extension: None

Stabilization: Non-Staining Antioxidant

Primary Functions: General-Purpose Elastomer, Abrasion-Resistant Rubber, and Tire-Compound Base Polymer

Main Uses: Tires, Footwear, Flooring, Hoses, Seals, Cables, and Mechanical Rubber Goods

Storage: Cool, Dry, Tightly Wrapped, and Protected from Heat, Sunlight, Ozone, and Contamination

FIRST AID

Inhalation

Styrene Butadiene Rubbers (SBR 1502) dust or heated-fume exposure requires movement to fresh air and rest in a position comfortable for breathing.
Styrene Butadiene Rubbers (SBR 1502) exposure requires medical attention if coughing, throat irritation, dizziness, wheezing, or breathing difficulty persists.

Skin Contact

Styrene Butadiene Rubbers (SBR 1502) contamination should be removed from the skin using soap and water.
Styrene Butadiene Rubbers (SBR 1502) molten or overheated material exposure requires cooling with water and medical treatment for thermal burns.

Eye Contact

Styrene Butadiene Rubbers (SBR 1502) particles or dust should be rinsed from the eyes with clean water for at least 15 minutes.
Styrene Butadiene Rubbers (SBR 1502) eye exposure requires medical attention if pain, redness, irritation, or visual disturbance continues.

Ingestion

Styrene Butadiene Rubbers (SBR 1502) accidental ingestion should be followed by rinsing of the mouth without inducing vomiting.
Styrene Butadiene Rubbers (SBR 1502) ingestion requires medical advice when a substantial quantity is swallowed or symptoms develop.

Note to Physicians

Styrene Butadiene Rubbers (SBR 1502) exposure should be treated symptomatically with appropriate supportive care.
Styrene Butadiene Rubbers (SBR 1502) assessment should consider physical form, processing temperature, combustion products, additives, quantity, route, and symptoms.

HANDLING AND STORAGE

Handling

Styrene Butadiene Rubbers (SBR 1502) should be handled using equipment that prevents contamination and uncontrolled contact with heated machinery.
Styrene Butadiene Rubbers (SBR 1502) should be protected from open flames, hot surfaces, welding sparks, strong oxidizing agents, and excessive processing temperatures.

Ventilation

Styrene Butadiene Rubbers (SBR 1502) cutting, grinding, mixing, extrusion, and vulcanization areas should have effective general and local exhaust ventilation.
Styrene Butadiene Rubbers (SBR 1502) respiratory protection should be used when engineering controls cannot adequately limit dust, smoke, vapor, or process fumes.

Storage

Styrene Butadiene Rubbers (SBR 1502) should be stored in a cool, dry, clean, and well-ventilated warehouse.
Styrene Butadiene Rubbers (SBR 1502) should be protected from direct sunlight, ozone-generating equipment, excessive heat, moisture, oils, chemicals, and damaged wrapping.

Spill and Leak Procedures

Styrene Butadiene Rubbers (SBR 1502) solid pieces should be collected manually or mechanically and transferred into suitable containers.
Styrene Butadiene Rubbers (SBR 1502) cutting dust should be vacuumed without generating airborne particles and should be kept out of drains and waterways.

Handling Precautions

Styrene Butadiene Rubbers (SBR 1502) handling should include suitable gloves, protective clothing, safety footwear, and eye protection.
Styrene Butadiene Rubbers (SBR 1502) processing should follow the current grade-specific Safety Data Sheet, machinery-guarding rules, fire precautions, and fume-control procedures.