Short answer is that you will destroy lung tissue. Not sure if you mean HCl in aqueous solution or HCl gas. In the latter case, whether or not it is fatal will depend on how much you inhale, but you wonât need much. It will also harm the nose and throat. If it is dilute solution it will be a bit like choking on regurgitated stomach acid and could cause long term health problems.
Peelaway 7 Paint Remover is a suitable for use on all woods with more modern paint or varnish on. Both of these products are a paste like product that you leave on for 24/48 hours (depending on what the test area shows) and then peel off.
So what is paint ? Paint consists of pigments and an oil or water-based binder (the binder being the majority in volume). With most paints, long-term storage will cause the two constituents to separate in the can - the pigments generally 'drop out of solution' to form a thick, treacle like sludge at the bottom of the can.