Ethylene-acrylate rubber is a polymer of ethylene-methyl acrylate with carboxylic groups. AEM rubber has a better heat resistance than ACM. It also has a better tear strength, but a worse resistance to mineral oils than ACM. AEM as well as ACM is known under the trade name VAMAC ® from Dupont.
Operating temperature range is about – 40°C to +150°C.
AEM is available in the hardness ranges 40-90 Shore A.
Applications: automotive gaskets, hoses, O-rings.