Ceramic heating rings made of silicon nitride can be produced with an outer diameter of up to 300 mm.
Ceramic heating resistor.
They are most often wire wound resistors.
You can also choose from other ceramic resistor heater as well as from other ceramic resistor heater and whether ceramic resistor heater is other.
However even this description is out of date.
A typical extent of the rings is 5 mm.
Cement resistor only describes the appearance of common power resistors like that shown above.
A wide variety of ceramic resistor heater options are available to you such as other.
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Ceramic heaters can take a variety of form factors to handle specific kinds of applications.
However there are also advanced ceramic heaters that have a different kind of heating element.