It mainly used in plastic machinery part and injection machine heater part and so on. Band heaters may be supplied in one piece or two piece construction. The specially designed tightening clamp provides full and even closure for maximum heat transfer. A variety of Terminal type and location is possible to meet any installation need. Outer Sheath - Polished S. S. 304 *Element - Resistance wire (Ni - 80 %, Cr-20%) *Termination - Metal Braided Fibre Glass wires *Insulation - Flexible Mill Board or Ceramic Fibre covered with Aluminium foil to avoid black spots on outer sheath.