Electron System's cast-in heaters are available in a variety of designs and styles suitable for different applications. Electron System's , cast-in band heaters are available with cooling tubes for heating and cooling barrels of plastic processing extruders. They are very efficient and provides long lasting trouble free service.Electron System's cast-in heaters are made in aluminum,brass and bronze. The type of alloy to be casted depends upon the application,max operating temperature & watt density