Dont know for sure but the PVA may be there so no crud
could get between the glass. Remember cleaning many
safety screens in the olden days. Crap got in no matter how
tight & sealed they were. As far as implosion goes I would think
the glass is non shattering to begin with. PVA may add to
protection but I would guess there is a better chance of
choking to death on a hot dog than having the jug toss
daggers at you.
BTW some day I will put up the story about a tot that got sucked up by a CRT. Was going around back in the late 80's, urban myth ???
73 Zeno
