How safe is it to ball mill - Safety - ForumPage 1 of 2 - How safe is it to ball mill - posted in Safety: ive been working with BP for aerial shells for about two years, i made a lot of bp, and thankfully i never had a "big" accident yet, but i keep reading about peoples ball mills blowing up all year round, and im wondering is this bound to happen ? i go safety all day all year round, ive …