O-lesale tiiso e sebediswa ka disebediswa mochine, likepe, likoloi, thepa aerospace, mechine metallurgical, mechine lik'hemik'hale, mechine boenjiniere, mechine kaho, mechine meepo, mechine peterole, mechine polasetiki, mechine temo, le mefuta e fapaneng ya diletsa le limithara tse, palo e khōlō ea dikopo ya mefuta e fapaneng ya dikarolo tiiso. Ditiiso tša O-ring ka oli, esiti le alkali, go šila, kgogolego ya dikhemikhale le ditikologo tše dingwe di sa bapala go tiiša mo go botse, go monya tšhogo.

Kgothaletsa: EPDM motsoako ,CR motsoako,FKM motsoako,HNBR motsoako.
EPDM: S552;S552-1;S512F;TER 4049;TER 4047;TER 4039;TER 4038EP;J-3092E;J-3080;J-3080P
CR: SN232;CR111;CR112;CR211;CR212;CR213