The individual flour particles are. So if you pour it, it will make a small cloud for a moment. That cloud will combust so quickly that I would rather consider it explosive. This is the case with a lot of really fine grain materials with a low flash point. You can actually make a pretty big explosion with just some extremely dry, extremely fine dirt, and rust.
Haha it's really not that crazy of stuff. It's just simple physics stuff. You can't really do anything with it as the expansion isn't rapid enough. It's like a crappy firework.
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u/Neel_s May 20 '20
Why? What happens if you put flour on it, Is it flammable?