Troubleshooting Slow Warm-Up in Mica Heating Plate

https://thermal-tech-hub.nexorafield.com/posts/beginner-s-guide-to-semiconductor-heater-what-to-know-before-you-specify-one

A mica heating plate can solve a simple problem: place useful heat close to a part that needs it. The best result comes from a clear plan. Shape, power, contact, and control all affect the final behavior