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Mold Maker II

DOT Code: 777.381-022

Industry: jewelry-silver.

Fabricates plaster molds from models of jewelry articles and trophy figurines preparatory to casting metal molds: Presses one side of model into clay. Builds up clay around exposed half of model to retain plaster. Mixes plaster powder with water and pours it around exposed half of model to form mold. Allows plaster to set and removes clay and model from plaster mold. Brushes loose particles from mold and applies shellac to preserve mold and to prevent absorption of moisture. Covers surfaces of mold with dry bone powder to prevent shellacked surface from sticking in sand mold.

GOE: 06.01.04 STRENGTH: L GED: R3 M1 L2 SVP: 7 DLU: 77