... .To produce it,the radiating part,which can be the metal or ceramic plate, is housed or glued onto the PTC ... .Application:Standard PTC aluminum heating elements are used widely for coffee pot, thermos cup, the suit kettle, hair permanent clamp, heat preservation ... heating plate, electric iron, dryer, hand warmer,humidifier and other small heating appliances.Product modelBZ 255 30*20*5.5 ABZ ...