EPDM O-ring ndi mtundu wa chisindikizo chopangidwa kuchokera ku rabala ya ethylene propylene diene monomer (EPDM).Imakana kwambiri kutentha kwambiri, kuwala kwa UV, ndi mankhwala owopsa, ndikupangitsa kuti ikhale yoyenera kusindikiza ntchito zosiyanasiyana.Mphete za EPDM O-rings zilinso ndi zida zabwino zotchinjiriza magetsi ndipo zimakhala zotsika mtengo poyerekeza ndi ma elastomer ena.Amagwiritsidwa ntchito kwambiri popangira madzi, ma solar panels, ndi kukonza chakudya.Mphete za EPDM O-rings zilipo mosiyanasiyana ndipo zimatha kusinthidwa kuti zikwaniritse zofunikira zosindikiza.