Neoprene, reberi ya synthique yakozwe na alfa-poly umubare wa Chloroprepre (ni ukuvuga 2-chloro-1,3-bitadiene, irwanya amavuta, irwanya urumuri, kurwanya aside hamwe na aside na alkali na aside
REBYYERANE Propaylene Rubber ni reberi ya sinty hamwe na promomer nkurugero rwibanze, ukurikije imiterere itandukanye ya molekine, muri epm) hamwe na etarylene ya etylene propylene reberi (EPDM).