Hello, the situation you mentioned will not happen at room temperature. After pure aluminum powder, aluminum foam, aluminum flakes and aluminum blocks are immersed in cold water or hot water, a chemical reaction occurs extremely slowly to generate aluminum hydroxide and traces of hydrogen (although hot water can significantly speed up the rate of formation, it is relatively very very slow) and are not generally considered a safety hazard or risk combustion, please refer to.
Will aluminum powder explode when exposed to water?
Introduction Will aluminum powder explode when exposed to water? Will aluminum powder explode? Hello, the situation you mentioned will not happen at normal temperature. After pure aluminum powder, aluminum foam, aluminum flakes and aluminum blocks are immersed in cold