ACM – Polyacrylate Rubber

Clwyd referenceACM
ASTM classificationACM
Copolymer of ethyl and butyl acrylate
Typical applicationsAutomotive sealing applications, including seals for transmission and power steering systems
AdvantagesExcellent resistance to petroleum fuel and oil
Good heat resistance
Good ozone resistance
Resists flex cracking
DisadvantagesModerate 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%