High density cartridge type HS-D & HC


The high watt density cartridges are designed to heat solids by conduction. They are usually used to heat press moulds.

Maximum operating temperature of high watt density cartridge 750°C, maximum load 50W/cm² (300W/Sq. Inch).

Technical specifications:

  • Resistive alloy wire nickel chromium 80/20 coiled
  • Insulation by compressed magnesium oxide
  • Sheath in stainless steel tube 321 tolerances on diameter ±0.01mm, end plug seamless welded
  • Metric diameter 6.5, 8, 10, 12.5,16, 20 mm
  • Imperial diameter 1/4″, 3/8″, 1/2″, 5/8″
  • Length from 25 to 1500mm, 1 to 60”
  • Termination by nickel cable glass fibre insulated, length 300mm (maximum temperature 280°C)
  • Voltage 230VAC
  • Power from 75 to 5000W (tolerance ±10%)

Possible variations:

  • Other diameters on demand
  • Special cable length up to 2000 mm
  • Additional wire for earth
  • Wire insulated by ceramic beads (maximum temperature 800°C)
  • Special voltage up to 440 V
  • Built in thermocouple type K or J
  • Welded BSP threaded gland for fixing
  • Welded Flange or bracket for fixing
  • Power increased at the ends, heating zones
  • Square output or 90°C output
  • Cable protected by sleeve


The high watt density cartridge must be fitted in a reamed hole H7 to work properly. For watt density higher than 30W/cm² (200W/Sq. Inch) we advise you a split reamed hole which lock the cartridge in the hole to ensure a better heat transfer.

We advise you to use our thermal grease to ease the assembly and increase heat transfer. Ref PG12, pot of 120g.

The layout of cartridge in a part to be heated must be on a regular pitch. The minimum distance between 2 cartridges is 200mm.

You must use a temperature control device to regulate the temperature of your process.  The sensor must be fitted in the middle of the cartridges.