Try this website I found, you don't have to read all of it but just scan it
for key points and make sure to read the last paragraph
Here's the link: What happened to `starlite', a material with seemingly
miraculous heat-resisting properties invented by a former hairdresser and
made from the chemicals and potions he had at work? Did the inventor
persuade anyone to back him? | Notes and Queries | guardian.co.uk
Hammerglass is a product used in the U.K. It seems to be flameproof.