Heating Element Sizing
ID Length
.75" - 20" Any Length

Clamshell Heating Elements use the thickest gauge wire consistent with voltage requirements to extend element life. Two clamshell elements make up a complete element.


1000ºC Clamshell Heating Elements
  • The lowest possible watt density.
  • Longer heating element life.
  • Sturdy, ceramic sheath.
  • Helically coiled nickel chrome wire.
  • Customer-specified lead length, with a standard 12" length.
  • Optional partially and completely cemented heating elements.
1200ºC Clamshell Heating Elements
  • The lowest possible watt density.
  • Longer heating element life.
  • Sturdy, ceramic sheath.
  • Helically coiled iron chromium aluminum wire.
  • Customer-specified lead length, with a standard 12" length.
  • Customer-specified standard or white purity cement.
1300ºC Clamshell Heating Elements
  • The lowest possible watt density.
  • Longer heating element life.
  • Sturdy, ceramic sheath.
  • Kanthal APM wire.
  • Customer-specified lead length, with a standard 12" length.
  • No cement used.

As always, if this product does not meet your requirements, please contact us. Mellen will work with you personally to create a product that best suits your needs every time.