Cheap Heat Resistant Materials

Asbestos became a ubiquitous ingredient in a new generation of fire resistant construction materials including cement sheets roof sealants and adhesives for floor and ceiling tiles.
Cheap heat resistant materials. Heat resistant material. They can reduce the chances of dangerous off gassing hazards because of heating of sensitive parts like wires cables and refrigeration lines. World war ii created a massive demand for asbestos on u s. 1000 silicon nitride.
Atmosphere c continuous operating temp. I would have to say that aluminum foil and aluminum in general performs pretty poorly in an open fire just place a soda can in a fire and see how long it lasts aluminum will oxidize to al2o3 in a fire if it has surface area. 1300 1600 zirconia.