1,coolant hose 2,Material:EPDM with Aramid Fiber reinforcement 3,Process:Extrusion 4,Burst Strength :Min 1.9Mpa. 1, ... coolant hose 2,Material:EPDM with Aramid Fiber reinforcement3,Process:Extrusion4,Executive standard:GMW150244,Performance:ItemUnitRequirementsTest MethodInitialHardnessShore A70 ...