... use.silicone parts1. Materials: NBR, NR, CR, BR, EPDM,SBR, SILICONE2 Characteristics: high/low temperature-resistant, wearing-resistant, oil- ... 5 weeks according to different productcustom made NR, CR, NBR, SBR, SILICONE, VITON, EPDM, HNBR, BUNA, AEM rubber MaterialNR, ... CR, NBR, SBR, SILICONE, VITON, EPDM, HNBR, BUNA, etc.Hardness30degree-90degreeMode of ...