... ,HNBR,SILICONE, FKM,NR,CR,EPDM,PTFE. Can choose on your requirements. 2.Various type: TA, TB, TC, SA, SB, SC ... ,brown, white,green, blue, violet,etc. can be make on your order. 10.Applications: Auto, motorecycle,machinery,water pumps, valves,etc ...