Hunhu hukuru hweEPDM kugona kwayo kwepamusoro kurwisa oxidation, ozone uye kukukurwa.Nekuti ternary ethylpropylene rabha ndeye polyene (PA66) hydrocarbon mhuri, ine yakanakisa vulcanization maitiro.Pakati pese rubha, EPDM ine yakaderera chaiyo giravhiti.Inogona kutora akawanda mafirita uye oiri isina mhedzisiro pane zvivakwa.Saka unokwanisa kugadzira macompounds erabha akachipa.