I don't know if they explode, they do become unbalanced and have a catastrophic failure while rotating at high speeds. The use of ferrous grinding wheels for non ferrous materials is a non brainer as the become clogged and destroy themselves sooner or later. The aluminum becomes wedged in between the openings of the grit et all
more than most would want to know
Been there, probably broke it, doing that!
I am not a lawyer, and never played one on TV!
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