molding plaster

hard plaster, gauging plaster, molding plaster

A quick-setting plaster to which retarder has been added to control set; used in the finish coat.
References in periodicals archive ?
MATERIALS * Molding plaster or pottery plaster (I purchased plaster from a building supply company in 50-lb.
You will need fifty pounds of molding plaster and a single bag of Zonolite or Vermiculite.
Recovered system fines (approximately 10%) are used in the foundry's molding plaster mix, representing a double cost saving because disposal costs are eliminated and fine sand purchases made unnecessary.
Materials: Clay, small natural objects (shells, seed pods, insect husks), molding plaster or Plaster of Paris (approximately 3-5 lbs.