Styrene Butadiene Rubber (SBR)
Styrene Butadiene Rubber (SBR) has good physical strength, tear and abrasion resistance
Typical applications
- Non-mechanical high-volume products such as shoe soles and heels or car tyres
- Gaskets
- Chewing gum
Advantages
Disadvantages
Properties
Resistance
Advantages
- Good physical strength
- Good tear and abrasion resistance
- Good ageing stability
- Better wet skid resistance to NR (Nitrile Rubber)
Disadvantages
- Does not resist oil or fuels
- Prone to weathering
- Lower resilience to NR
- Inferior heat build-up to NR
Properties
| Available hardness range (Shore A) | 40 – 95 |
| Upper continuous service temp | 100°C |
| Min. temp. for sealing applications | -25°C |
| Minimum non-brittle temp | -50°C |
| Tensile strength (up to) | 25 MPa |
| Elongation at break (up to) | 500% |
Resistance
| ASTM 1 Oil | None |
| ASTM 2 Oil | None |
| ASTM 3 Oil | None |
| Kerosene | None |
| Liquid B | None |
| Liquid 101 | None |
| Phosphate ester | None |
| Ketone | None |
| Toluene | None |
| Iso-octane | None |
| Methanol | Excellent |
| Acid (weak) | Average |
| Acid (strong) | None |
| Base (weak) | Good |
| Base (strong) | None |
| Hydrogen sulphide | None |
| Steam | None |
| Ozone | None |
| Radiation | Average |
