309 – 5 Nitrile Rubber / Styrene Butadiene Rubber (NBR/SBR)

Temperature Range:

-30° to + 110°C (-22°F to +230°F)



NBR/SBR is a synthetic elastomer blend which has excellent physical properties including abrasion resistance, good tensile strength, low compression set and high tear properties.


EMI Reference SpecificationHardness IRHDSGTensile Strength (MPa)Elongation at Break %Abrasion Resistance mm ³Colour
309-5-501BSoft Commercial50°1.2518300275Black
309-5-602BMedium Commercial60°1.4516200370Black
309-5-655BFuel Resistant65°1.2516250250Black
309-5-701BEconomy Grade70°1.514200375Black
309-5-703BHigh Grade70°1.414250350Black
309-5-707B1 Ply Medium Insertion70°1.414250300Black
309-5-802BHard Commercial80°1.57150200Black

Full data sheets for all grades are available on request.

* The information above is supplied in good faith and believed to be correct. This information is supplied upon the condition that persons receiving this will make their own determination as to its suitability for their purposes prior to use. EMI makes no representations or warranties, either expressed or implied with respect to the information or the product to which this information refers.