... type:TC,TB,TA,Etc. 3:various size. Rubber oil sealing NBR1) Material: top grade silicone/rubber material; NBR,HNBR,SILICONE ... , FKM,NR,CR,EPDM,PTFE OR AS YOU REQUIRED. 2) Optional shapes and colors 3 ... ) customised design, OEM service is welcome.6) Applications of oil sealing/oil seal: Applied for electric motors, internal combustion engines and ...