MELTING DISH CRUCIBLE 7.5 Oz FOR GOLD, SILVER and SCRAP ALLOY Clay bonded fused silica melting dish to withstand temperatures up to 2800°F/1538°C. It has good thermal conductivity and will not contaminate metal alloys, chromium, gold or silver. Used by jewelers all over the world to melt gold, silver, brass, scrap alloy and other non-ferrous metals with propane, acetylene, or natural gas jewelers torches. This crucible measures 3-1/2" diameter x 1-1/2" high. Capacity 7-1/2 T.Oz or 235 g. Equipped with 2 pouring spouts spaced 180 degrees Also doubles as ceramic soldering plate when turned upside down exposing 3-1/2" round flat soldering surface. IDEAL FOR MELTING SCRAP.