A Practical OEM Checklist for Specifying a Mica Heater
https://heater-technology-guide.opalvector.com/posts/what-makes-a-silicone-heater-suitable-for-curved-surfaces
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