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Electric Technologies: Calrods - How They Work

An electric current passes through the NiCr resistance element, which is embedded in a metal or ceramic sheath. The sheath is thus heated and radiates energy.

Calrods are inserted into drilled holes in a platen or tools. The energy radiated from the calrods heat the platen and/or the tool.

Platens and tools utilizing calrods can easily be retrofitted to use hot water, steam, or thermal fluid by drilling across the calrod chambers and plugging the holes.

Highlights:
Wavelength: Long
Maximum Use Temperature: 200-1500°F
Filament Temperature: 1350°F
Output: Low to Moderately High

Common Processes:
Molding