
Description of Styrene Butadiene Rubber SBR 1500
Styrene Butadiene Rubber (SBR) 1500 is a general-purpose synthetic rubber known for its excellent properties, making it one of the most widely used types of SBR in the industry. Below is a detailed description of SBR 1500:
General Overview
SBR 1500 is a non-oil-extended grade of styrene butadiene rubber produced through a hot emulsion polymerization process. It offers a balance of elasticity, durability, and resistance to wear, making it suitable for various industrial and consumer applications.
Key Properties
Chemical Composition:
Copolymer of styrene and butadiene.
Typically contains around 23.5% styrene and 76.5% butadiene.
Physical Characteristics:
- Appearance: Light-colored crumb or block form.
- Specific Gravity: Approximately 0.94.
- Mooney Viscosity: Ranges between 50-60 ML (1+4) @ 100°C.
Performance Features:
High abrasion resistance.
Good tensile strength and elasticity.
Excellent heat aging properties when compounded with antioxidants.
Suitable for blending with natural rubber and other synthetic rubbers.
Applications
SBR 1500 is used in a wide range of applications due to its versatile properties:
- Tires and Automotive Products:
Tread compounds for passenger car and light truck tires.
Conveyor belts and other industrial rubber goods. - Footwear:
Soles and heels for durable and flexible footwear. - Adhesives and Sealants:
Used in the production of adhesives due to its flexibility and adhesion properties. - Rubber Products:
Hose, gaskets, and molded items. - Other Uses:
Flooring materials and industrial mats.
Advantages
- Cost-effective alternative to natural rubber.
- Versatile processing capabilities.
- Easily compounded with a wide range of additives.

Below are some of the key specialized applications:
- Tire Manufacturing
Role: SBR 1500 is extensively used in tire production due to its abrasion resistance, good tensile strength, and low rolling resistance.
Applications:
Passenger car tires
Light truck tires
Tread and sidewall compounds
Advantages: Enhances fuel efficiency and tire longevity. - Footwear
Role: SBR 1500 is a preferred material for shoe soles due to its flexibility and grip properties.
Applications:
Casual and athletic shoe soles
Non-marking footwear
Advantages: Provides excellent wear resistance and anti-slip properties. - Industrial Hoses and Belts
Role: Its resistance to abrasion and capability to withstand varying temperatures make SBR 1500 suitable for industrial applications.
Applications:
Conveyor belts
Automotive V-belts
Air and water hoses
Advantages: Maintains durability under mechanical stress and exposure to oils or heat. - Seals and Gaskets
Role: SBR 1500 is often used in seals and gaskets for applications requiring flexibility and resistance to weathering.
Applications:
Automotive seals
Pipe gaskets
Weather strips
Advantages: Provides a balance between elasticity and toughness, ensuring a secure fit. - Adhesives and Coatings
Role: Due to its excellent adhesion properties, SBR 1500 is used in adhesive formulations and protective coatings.
Applications:
Pressure-sensitive adhesives
Construction adhesives
Paints and coatings
Advantages: Offers strong bonding and enhances surface durability. - Flooring and Matting
Role: Its resilience and wear resistance make it ideal for flooring materials.
Applications:
Industrial and commercial flooring
Gym mats and protective mats
Playground surfaces
Advantages: Ensures safety and longevity under heavy use. - Latex Products
Role: SBR 1500 is utilized as a base material in some latex applications.
Applications:
Carpet backing
Rubber gloves
Foam mattresses
Packing of Styrene Butadiene Rubber 1502(SBR 1500)
Normally it packed in 35 ±0.5 KG bales wrapped with polyethylene film, and in 36 bales per crate (1260±18 KG).
Storage and Handling
- Should be stored in a cool, dry place away from direct sunlight.
- Avoid contamination with oils and other materials.
T.D.S OF Styrene Butadiene Rubber SBR 1500
| Property | Unit | Value | Test Method |
| Volatile matter | wt % | 0.75 max | ASTM D 1416 |
| Ash | wt % | 1.5 max | ASTM D 1416 |
| Organic acid | wt % | 6.125 | ASTM D 1416 |
| Soap | wt % | 0.5 max | ASTM D 1416 |
| Bound styrene | wt % | 23.5 | ASTM D 1416 |
| Raw viscosity (ML 1+4 @ 100 oC) | – | 52 | ASTM D 1646 |
| Compound viscosity (ML 1+4 @ 100 oC) | – | 84 max | ASTM D 1646 |
| Tensile strength ( 35 min cured | 2 | 250 min | ASTM D 412 |
| kg/cm | |||
| Ultimate elongation( 35 min cured ) | % | 470 min | ASTM D 412 |
| 300 % Modulus( 35 min cured ) | 2 | 139 | ASTM D 412 |
| kg/cm |



