Reliability Checks to Consider Before Approving a Mica Heater Design

https://advanced-heating-guide.tearosediner.net/kapton-heater-maintenance-and-troubleshooting-guide

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