EPDM O-ring ke mofuta oa tiiso e entsoeng ka rabara ea ethylene propylene diene monomer (EPDM).E na le khanyetso e ntle haholo ea mocheso o feteletseng, leseli la UV, le lik'hemik'hale tse matla, tse etsang hore e tšoanelehe bakeng sa lits'ebetso tse fapaneng tsa ho tiisa.Li-rings tsa EPDM O-rings le tsona li na le thepa e ntle ea ho kenya motlakase 'me li batla li le litšenyehelo ha li bapisoa le li-elastomer tse ling.Hangata li sebelisoa lits'ebetsong tse kang ho hloekisa metsi, liphanele tsa letsatsi, le ho lokisa lijo.Li-ring tsa EPDM tsa O-ring li fumaneha ka boholo bo fapaneng 'me li ka etsoa ho latela litlhoko tse khethehileng tsa ho tiisa.