Sprue Wire Wax (Pattern & Casting Wax)

About sprue wire wax

Sprue wire wax is wax in wire, rod and stick form, sold by diameter, that is attached to the wax pattern to form the sprue.

Wax wire that forms the channel for the molten metal.

Sources: The Glossary of Prosthodontic Terms, 9th edition (J Prosthet Dent 2017)