A Practical OEM Checklist for Specifying a Silicone Heater
https://industrial-heat-source.raidersfanteamshop.com/silicone-heater-basics-a-practical-guide-to-flexible-surface-heating
In temperature-controlled assemblies, a silicone heater must deliver heat in a controlled way. It uses silicone rubber around a resistive heating circuit. One useful trait is flexibility. Still, bond quality can change the result