Graphite Ingot Mold for Gold & Silver Casting 1000g–9000g (1kg–9kg) Capacities Available Professional-grade graphite ingot molds designed for clean, consistent casting of gold, silver, copper, aluminum, and other non-ferrous metals. Whether you are pouring 1kg batches in a home furnace or producing larger bars in a workshop setting, these molds are built for durability, thermal performance, and smooth release. Available Capacities Choose from multiple cavity sizes ranging from: • 1000g (1kg) • 1100g • 1200g • 1400g • 2000g (2kg) • 5000g (5kg) • 7500g (7.5kg) • 9000g (9kg) Each mold is precision-machined to produce clean, rectangular ingots suitable for refining, resale, or storage. Select your capacity based on your furnace size and batch volume. High-Purity Graphite Construction.