How Mounting Pressure Can Affect Kapton Heater Heat Transfer
https://modern-heating-elements.image-perth.org/common-silicone-heater-selection-mistakes-and-how-to-avoid-them
In precision instruments, a kapton heater must deliver heat in a controlled way. It uses a resistive foil circuit laminated within polyimide film. One useful trait is custom circuit patterns. Still, hot spots can change the result