O-ntiv nplhaib sib khi yog siv rau hauv cov cuab yeej siv tshuab, cov nkoj, cov tshuab siv hlau, tshuab siv roj av, tshuab siv ntau yam ntawm ntau hom kev sib khi ua ke. O-ring ntsaws ruaj ruaj nyob rau hauv cov roj, kua qaub thiab alkali, sib tsoo, tshuaj sib tsoo, tshuaj lom zem, ib qho tseem ua tau kev sib khi zoo, kev nqus zoo, poob siab.

Pom zoo: EPDM compound, cracound, FKM compound, hnbr compound.
EPDM: S552; S552-1; S512F; TER 4049; J-3080P; J-3080;
CR112; CR212; CR212; CR213