Substantial Amounts of acrylonitrile result in a rubber with better oil resistance. Compounds with reduced acrylonitrile content material have a greater lower temperature overall flexibility and resilience. Ethylene Propylene Rubber (EPM) is actually a copolymer consisting of ethylene and propylene. The ethylene propylene polymer is chemically inert as it is https://beediadiamond.com/catalog/rubber-points