Plaster of Paris (Moulding Plaster)
GPC brick
About
Includes any products that may be described/observed as powdered and heat-treated gypsum, which can be mixed with water (about 2 parts plaster to each part of water), hardening to a smooth solid which does not shrink or lose volume because it hardens before all the water can evaporate.
Excludes
Excludes plaster (mix) and cement as well as stucco and concrete.
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