Elastomers/TPEs
General Purpose Styrene-Butadiene Rubber — Styrene-Butadiene Rubber (General Purpose)
SBR is one of the most widely used synthetic rubbers, balancing cost and performance. It provides excellent resistance to abrasion and cracking, making it a staple in the tire industry.
SBRBuna S
Manufacturers
3
Grades
3
Applications
5
Equivalents
0
Physical Properties
- Density
- 0.92 - 0.95 g/cm³
- Water Absorption (24h)
- 0.5 %
- Transparency
- Opaque
- Shrinkage
- 1.5 - 2.0 %
Mechanical Properties
- Young's Modulus
- 0.02 - 0.06 GPa
- Tensile Strength
- 15 - 25 MPa
- Elongation at Break
- 400 - 600 %
- Impact Strength (Izod)
- N/A
Thermal Properties
- Glass Transition Temperature
- -50 to -60 °C
- Melting Point
- N/A
- Continuous Service Temperature
- -40 to 70 °C
- Heat Deflection Temperature
- N/A
Electrical Properties
- Dielectric Constant
- 3.0 - 3.5
- Volume Resistivity
- 10^12 - 10^13 Ohm-cm
- Dielectric Strength
- 10 - 20 kV/mm
Chemical Resistance
- Acids
- Fair
- Bases
- Good
- Solvents
- Poor (swells in hydrocarbon oils)
- UV Resistance
- Fair
Sustainability
- Recyclability
- Limited
- Recycling Code
- N/A
- Carbon Footprint
- Moderate
Manufacturing compatibility
Emulsion PolymerizationMoldingExtrusion
Applications
Tires
Footwear
Hoses
Belts
Conveyor belts
Available grades
SBR 1502SBR 1712SBR 1776