hot runenr heater\copper heater :equal heating,long life performance,customized varieties of heater are available.

 copper heater: copper possess good heat conducting function.  Insert the heater into copper, interface will be inlarged,  equal heating, and function  be doubled,there isn't any difference in temperature.

it applys to the plastics which is sensitive to temperature and have a bad liquidity. it is a steady ,permanent heating element.

Hot runner heater