What Proof Alcohol is Flammable? The 80-Proof Threshold You Need to Know
The blue flame dances over the shot glass, a brief, theatrical show before it’s snuffed out. That visual isn’t just for show; it’s a direct result of alcohol’s inherent flammability. When people ask what proof alcohol is flammable, the clearest answer is this: most spirits become reliably flammable at 80 proof (40% ABV) or higher. […]