... resistance 3)Various meterial/ size 4)SGS,ROHS,REACH Rubber hand levers Material NBR, NR, EPDM, FKM, SBR, Silicone, ... or silicone strip,rubber foam tube,plastic tube/strip,plastic spring,Colors cords etc which are extruded by machine.All ... vulcanizing machine, mixer, mixing machine, rubber cutting machine, the flow type finishing machine, secondary vulcanizing machine, punch press, knife die, etc ...