MMasters 4 Round Premium Graphite Ingot Mold for Metal Casting High Purity Material for Gold Silver Aluminum Copper and Brass Heat Resistant up to 1800/3272 Molten Masters is an emerging leader in the field of metal melting, driven by American design innovation. We are continuously expanding into various areas, including melting, casting, and forging, with the goal of providing customers with a one-stop service to create the works they love. In the United States, the melting and forging group is increasing day by day, we have our own factories, competitive in terms of products, and constantly improving and expanding the field, so as to create a one-stop service for customers. We always use high quality materials on the market, aim to create high quality goods, and are willing to replace parts that have been damaged due to quality problem. You can contact the seller at any time and replace the damaged parts. Size: Outer dimensions: 3.74 x 3.74 x 0.55 inches (95 x 95 x 14 mm);1.57-inch diameter, 0.31-inch depth; Each Holds up to 190 g of gold or 103 g of silver; Volume: 0.33 x 4 fl oz Premium GraphiteMade from premium graphite with less than 0.1 ash, ensuring metal purity and long-lasting durability under high temperatures, not easy to break or deform Versatile Applications: Ideal for melting and analyzing non-ferrous metals like gold, silver, copper, and aluminum; Great for use in laboratories, jewelry making, and metal processing Nice Thermal Conductivity:The material reduces melting time and energy use, withstanding temperatures up to 1800C (3272F) Effortless Release: Superior self-lubricating properties ensure smooth, residue-free release of cast metal ingots Committed to Customer Contentment: We pride ourselves on excellent Post-purchase supportIf you have any questions, please connect us through buyer messages for prompt assistance