Ana amfani da hatimin O-ring a cikin kayan aikin injin, jiragen ruwa, motoci, kayan aikin sararin samaniya, injunan ƙarfe, injin sinadarai, injin injiniya, injin gini, injin ma'adinai, injinan mai, injin filastik, injinan noma, da nau'ikan kayan aiki da mita, babban adadin aikace-aikace na nau'ikan abubuwan rufewa daban-daban. Hatimin O-ring a cikin mai, acid da alkali, niƙa, yashwar sinadarai da sauran mahalli har yanzu suna taka rawar gani mai kyau.

Shawarwari: EPDM fili, CR fili, FKM fili, HNBR fili.
EPDM: S552;S552-1;S512F;TER 4049;TER 4047;TER 4039;TER 4038EP;J-3092E;J-3080;J-3080P
CR: SN232;CR111;CR112;CR13211;