High Density Cartridge Heaters

HOTWATT has been manufacturing High Density Cartridge Heaters for the past 15 years. Our Cartridge heatersprovide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures.Our experience ensures that the performance and life expectancy of our cartridge heaters supersedes the cartridge heater of other companies.

Applications :

  • Hot Runner Bushings
  • Marking & Sealing Machinery
  • Seal bars in Packaging Industry
  • Mold die and platen heating
  • Medical & Laboratory Apparatus
  • Shoe Making Industry
  • Semiconductor chamber heating
  • Semiconductor wafer lead connection
  • Semiconductor wire and die bonding
  • Freeze protection and de-icing of equipment in cold climates or applications
  • Humidity control
  • Test sample heating in gas chromatography
High Density Cartridge Heaters – Features
Min Dia-6mm, Max Dia-20mm Standard Sizes Available
Min length-40mm, Max length-1000mm Available with built in Thermocouple
Bottom End Welded with Disc Washer Superior Life Expectancy
Even heat profile & Max temp up to 750° C Various Watt Density option available
Choice of terminal exists Highly Non-corrosive
Distributed Wattage

 With Built in Thermocouple
HIGH WATT DENSITY CARTRIDGE HEATER - TECHNICAL DATA
Outer Sheath Material Chrome Nickel Steel, welded end disc washer of same material.
Maximum operating temperature 750OC
Heating Conductor Nicr 80:20
Surface Loading 25 W/cm² or 150 W/inch²
Power Tolerance +_10%
Voltage 12 to 440 volts
Max. Leakage Current 0.5 mA
Lead Orientation A) Crimped on Leads : PTFE/Fiberglass Flexible lead crimped on solid pin emerging from the Heater
B) Swaged in Leads : Flexible Fiberglass or PTFE leads emerging from within the heater
HIGH WATT DENSITY CARTRIDGE HEATER – LEADS
Crimped on Leads Swaged in Leads
HIGH WATT DENSITY CARTRIDGE HEATER – TERMINATIONS
1. Square End with/without 2. Right Angle end without/ with Elbow and Braid/Conduit
3. Straight end without/with conduit