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Latest News...

Rubber in Engineering Group @ Clwyd - Sep 2018

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

Polymer Types - ACM - Polyacrylate rubber...

Clwyd reference ACM
ASTM classification ACM

Copolymer of ethyl and butyl acrylate

Typical applications Automotive sealing applications, including seals for transmission and power steering systems

Excellent resistance to petroleum fuel and oil
Good heat resistance
Good ozone resistance
Resists flex cracking

Disadvantages Moderate water resistance
Available hardness range (Shore A) 45 - 90
Upper continuous service temp. (°C) 175
Min. temp. for sealing applications (°C) -60
Minimum non-brittle  temp.  (°C) -60
Tensile strength (up to) 20 MPa
Elongation at break (up to) 400%

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