High Watt Density Cartridge Heaters have the sheath made of stainless steel or brass. These Cartridge Heaters are fitted with fibreglass or Teflon coated wire leads. These Cartridge Heaters find application in die block heating, plastic machineries etc. These Cartridge Heaters are available in 75 watts to 400 watts range. Cartridge Heaters are offered in ¼inch, ⅜inch, ½inch, ⅚inch and ⅚inch. These High Watt Density Cartridge Heaters can be availed in a length varying from 1 ¼" to 6" to 2½" to 48".