Cartridge heaters, also called heating rods come in cylindrical form elements, in different diameters and in variable
lengths.
With a power varing from a few watts to several kilowatts the cartridge heaters dissipate rather high heat densities.
In some applications , they can reach 60 W/cm² for a maximum surface temperature of 800°C.
This type of industrial heating element is available in various technologies ot suit your purposes, such as :
traditional cartridge heaters : ................ Standard application,
low density, medium density and high density.
Low density heater much cheaper compare high density, it is very normal and stardard for plastic machine.
cartridge heater material introduction
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