... are rubber parts,rubber gasket, rubber seal, silicone keypad,suction cup,gasbag, bumper feet, rubber feet,rubber toy,rubber mount,rubber base,rubber cushion,rubber damper ... etc which are extruded by machine.All are characteristic with light weight, small size, long live, high quality, and ... the sharp edges of drilled or punched holes for wiring, cable, tubing, piping, hoses, air lines, rope and more. ...