COMHEATER’S Nozzle band heater are basically a mica insulated band heater. These are mechanically sturdy. These heaters are made out of brass & Stainless steel sheath .These nozzle band heaters are usually used when there is a limited space around the nozzle. An excellent coupling between the heating element & the nozzle provides the maximum heating efficiency. These heaters are fitted to the nozzles of injection molding machines.