Understanding Voltage, Resistance, and Power in a Mica Heater Circuit
https://mica-heater-journal.evercolumn.com/posts/how-to-control-the-temperature-of-a-mica-heating-plate
In heated plates, a mica heater must deliver heat in a controlled way. It uses a resistive heating circuit supported and insulated by mica. One useful trait is high-temperature capability. Still, mechanical stress can change the result