Hydrated gypsum like drywall is pretty much just bulk. To be useful it has to be fired to drive off the water, like lime. At that point it is great as plaster and concrete adjuncts.
Spaceman All opinions expressed or implied are subject to change without notice upon receipt of new facts.
Robert Wagner wrote:
__._,_.___A simple question that I can't find in archives (I haven't looked real deep). Adding gypsum from old drywall any effects good or bad. Peace Bob
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