Ethylene propylene rababa (vevietɔ binary ethylene propylene rubber) wozãna le agbɔsɔsɔ gã me abe viscosity index modifier (OVI alo VII) na hydrocarbon ami geɖe be woatsɔ ana ami ƒe ami si le kɔkɔm kple esi bɔbɔ ɖe anyi eye wòana amia nawɔ dɔ nyuie wu le nɔnɔme siwo me ʋuʋudedi le kple esiwo me ŋusẽ le siaa me.
Ethylene propylene rababa hiã ŋusẽ si le kɔkɔm ŋutɔ, point si le bɔbɔe kple low shear stability index ne wozãe abe modifier additive na ami, mɔ̃memi kple diesel.

Kafui:
EPDM:CO 033.CO 034.CO 043.CO 054.