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Elmecspeciality High watt Density Cartridge heaters are manufactured with most advanced technology and quality raw materials,enables usage with high watt density in small spaces and advanced manufacturing process ensures our heaters are vibration proof and thus ensures excellent  reliability in heavy duty working conditions (like plastic processing, printing, packaging and automobile industries  where the heaters are subjected to heavy vibrations) . The high performance is achieved by correct installation of the cartridge heaters . The perfect fitness of the heater in the hole facilitates good heat exchange between the surfaces of  heater and mass to be heated , thus increases the heater life and reduces energy loss.



Image result for L type cartridge  heater drawing

Diameter – 0.02 to – 0.08 mm
Length   Up to 100mm + 2mm
      Over 100mm + 1% to 3%
Wattage – 10% to + 5% (+ 5% available upon request)
Resistance + 10% to – 5% (+ 5% available upon request)
Maximum working temperature allowed on sheath 750°C
High Watt Density Max.150 W/Sq.inch
Max. 25W/Sq.cm
Medium Watt Density Max. 65 W/Sq.inch
Max. 10W/Sq.cm
Low Watt Density


Sheath Material                                            Cr Ni-Steel
Insulation Material Mgo
Resistance Wire Ni Cr 80-20
Maximum Sheath Temperature 700°C
Die Electrical Strength 800V A/C
Insulation > 5 M W
Thermocouple J type (Standard) or K type
Length Tolerance (Straight) + 5%
Wattage Tolerance + 10% (+ 5% Available Upon Request)
Resistance Tolerance + 10% (+ 5% Available Upon Request)
Unheated Length 35mm (Standard)
Dimensional Tolerance Coil I.D + 0.1 to 0.2mm
Coil Length + 1mm

When Ordering please Specify

  • Type of heater.
  • Wattage and Voltage.
  • Type of terminal
  • Dia & length of the heater.
  • Drawing for special type configuration.

We can manufacture and supply any intermediate diameter and length, Send drawing or sample for special size.