Bullseye Glass Co.

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Grog, 10 lbs (4.54 kg)

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Grog, 10 lbs (4.54 kg)


A fired ceramic mixture. Added to Bullseye Investment, grog strengthens the outer layer (or face coat) of a hand-built refractory mold.

Grog is used to strengthen plaster molds. One way to use it is described in this Lost Wax Casting Tip Sheet

CA Prop 65

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