Various attempts have been made to substitute metal as the wax pattern mold material due manufacturing costs and time-consumption. This research investigates linear volume shrinkage on of gypsum, silicone rubber, epoxy resin alternative materials molds. A nylon master was by machining. The size set a reference for dimensional comparison with cast pattern. Wax molds were created using pattern, n...

The publication describes modern methods of production fine plastic art castings. stage the smelted model and development casting technology is considered. theoretical basis for obtaining models a given quality given. review technologies standard castings presented.