Selecting a Material
As with any application, you need to ensure that any gasket material chosen is suitable for the conditions that it will see. The best insulative materials are going to be metal-reinforced composites that contain vermiculite, mica, or fiber materials. Finding which one seals and insulates best in your application is something that will need to be tested. As you explore this idea, talk to your trusted gasket material supplier to narrow down your choices.