... PTCs surface, but it will increase the cost. 2) Use the crimpers materials with good heat conduct, such as aluminum. 3 ... customersOur company can supply PTC crimping cylinder, PTC heater with insulating film, or PTC heating pellet. But for getting quick ... , such as, Philip, Toshiba, Sanyo, Panasonic, and so on. No.Dimensions in section /mmLengthUse20Diameter 8.020~50Hair crimper21Diameter 2320~60Hair ...