![]() ![]() So if you have a raise lower type water table with an enclosed chamber (bladder) for storing water.and it was not designed specifically for aluminum cutting.then I would recommend against its use. If aluminum oxide is allowed to get into a closed chamber, hydrogen could be trapped and over time could form a large pocket, and with the event of a spark and some oxygen there could be an explosion. ![]() Many water tables have a submerged chamber that is used (with compressed air) to rapidly raise and lower the water level in the table for small parts removal, cleaning, etc. ![]() Since the quantity is very small, and hydrogen is lighter than air, the small amount of hydrogen will dissipate in the ambient air. When oxygen is removed from water (H20) it leaves hydrogen, which you will see rising to the surface (after cutting aluminum) as small bubbles. Aluminum cutting produces a by product of aluminum oxide, which sinks in the water and absorbs oxygen. In regards to cutting aluminum over a water table, there generally is no concern of the possibility of hydrogen production and the ensuing explosion hazard. Here is my response that has been posted a few hundred times on various forums:
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