Castaldo® White Label Molding Rubber 1/8th Roll - 5lb Box

Castaldo White Label is a firm natural molding rubber characterized by its high gum content. It is the industry standard for creating stiff molds that maintain perfect geometry for flat jewelry pieces. The rubber vulcanizes at standard temperatures to produce a durable and long-lasting mold for repeated use. It provides excellent detail reproduction while remaining easy to cut and separate during the mold-making process. This material is preferred by professionals who prioritize dimensional stability in their production waxes.