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Rubber in Engineering Group @ Clwyd - Sep 2018

Clwyd welcomed the Rubber in Engineering Group on Friday 21st September, more than 20 experts...read more

Polymer Types - IR - Polyisoprene...

Clwyd reference IR
ASTM classification IR

Synthetic polyisoprene rubber

Typical applications Tyres, automotive mounts, shock absorbers, gaskets, sporting goods, adhesives, coatings and healthcare items
Advantages

High tensile strength
Good resilience

Disadvantages

Poor resistance to oils and non-polar solvents
Poor steam resistance
Poor ozone and weathering resistance

 
Available hardness range (Shore A) 35 – 90
Upper continuous service temp. (°C) 80
Min. temp. for sealing applications (°C) -50
Minimum non-brittle  temp.  (°C) -70
Tensile strength (up to) 23 MPa
Elongation at break (up to) 650%

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