ThermaCels – Insulating Paint Additive 12 Gallon Box 12 gallon package
ThermaCels – Insulating Paint Additive 12 Gallon Box. Developed from NASA technology, HY-TECH ceramic insulating paint additive is a fine, white powder blend of high strength ceramic “microspheres”. Each single ceramic microsphere is so small that it looks to the naked eye as if it is a single grain of flour, (slightly thicker than a human hair).