Mixture of corn starch, baking soda, and white glue. Ratio of corn starch to baking soda is 10/1. Then add enough white glue until you get a putty consistency. Amazingly heat resistant results. A Super-Material That Can Be Made In The Kitchen (Starlite?) #fire #resistance #DIY https://www.youtube.com/watch?v=aqR4_UoBIzY&has_verified=1