... OEM tube silicone MaterialNR,CR,NBR,SBR, SILICONE,VITON,EPDM, HNBR, BUNA, etc.Hardness30degree-90degreeMode of productionCompression and injectionProduction CapabiltyRubber compression/injection ... CompoundCan be UL, FDA, ROSH or REACH approved, and free test slabs and hardness testers can be offered for customer's ...