SBR - Styrene Butadiene Rubber

Clwyd reference SBR
ASTM classification SBR
SBR has good physical strength, tear and abrasion resistance. Applications include non-mechanical high-volume products such as shoe soles and heels or car tyres, gaskets, chewing gum.sbr
Typical applications
  • Non-mechanical high-volume products such as shoe soles and heels or car tyres
  • Gaskets
  • Chewing gum
  • Good physical strength
  • Good tear and abrasion resistance
  • Good ageing stability
  • Better wet skid resistance to NR
  • Does not resist oil or fuels
  • Prone to weathering
  • Lower resilience to NR
  • Inferior heat build-up to NR
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%
Price Bracket Very low
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