... 2. Fire resistance 3. Radiation resistance 4. Oil resistance OEM rubber hose MaterialNR,CR,NBR,SBR, SILICONE,VITON,EPDM, HNBR, BUNA, etc ... by the customerRubber CompoundCan be UL, FDA, ROSH or REACH approved, and free test slabs and hardness testers can be offered ...