EPDM rubber extrusion contains solid EPDM extrusion ,sponge EPDM extrusion and Duro handness EPDM extrusion,EPDM co-extrusion etc.Firstly,you should know EPDM material has excellent resistance to UV,so is suitable for many outdoor applications,most of weathersptrip in this EPDM material ,this is because it also have very good aging resistance.EPDM rubber are extruded in different shape like U channels,L strips,H channels,P strips ,E channels etc.