... 3. Available in Various Sizes 4. Good quality & be custom Axle oil seal1.Material:NBR,HNBR,PTEE,FPM,MVQ,EPDM,SILICONE ... , good air-permeable, etc.4.Application:automobile,electrical appliance,mechanical, industrial, construction,household,medical,trains,automobile,motocycles,trucks,buses,agricutural machinery ...