high demands product--EPDM oil seal 1:Material:NBR,Silicone,FKM,etc. 2 ... ,TB,TA,Etc. 3:various size. 4:Good high demands product--EPDM oil seal ASTM/DIN ISONBRACMVMQFKM(NEM)HNBR(NEM)PIFEFKMWear ... good 1.Material: NBR,HNBR,SILICONE, FKM,NR,CR,EPDM,PTFE. Can choose on your requirements. 2.Various type: TA, TB ... ,rubber gaskets,rubber ring,sealing rings, sealing gaskets. high demands product--EPDM oil seal