Rubber Seals: 1,Silicone/rubber parts 2,Color:as customized 3, ... silicone or rubber (NR, SBR, BR, NBR,CR, EPDM, IIR, FKM etc)Hardness: 8 to 95 shore A, tolerance can be ... delivery will depand on final confirmations.Features: MaterialNBR,HNBR, EPDM, FKM, MVQ(VITON), FMVQ,CR, NR… , according to customers' requirementsSize According to ... most kinds of high tech required molds. Mechanical rubber Seals