The primary difference in me end is cost. Polyurethane resin comes in at about $0.43/oz and hydro stone plaster costs between $ 1.00 and$1.50/ cured pound. Meaning it cost less to cast and is less expensive for the costumer. Drawback is that it is less rugged than the resin.
The primary difference in me end is cost. Polyurethane resin comes in at about $0.43/oz and hydro stone plaster costs between $ 1.00 and$1.50/ cured pound. Meaning it cost less to cast and is less expensive for the costumer. Drawback is that it is less rugged than the resin.