4040mm High Purity Graphite Melting Crucible Casting With Lid Cover, Jewelry Tools Graphite Casting Melting Ingot Mold for Gold Silver Metal

Features:  High thermal shock resistance, chemical stability, attractive appearance. Recommended to melt your precious, or non-precious metals and can handle large batches of material. It can greatly shorten the melting time and saved energy. The ash of graphite crucible is less than 0.1%,to ensure that the precious metal in the smelting is not contaminated. Coming with a cover for better melting. Specification:  Material: Graphite Color: Shown As Pictures Inner Diameter: Approx. 30mm / 1.18inch Outer Diameter: Approx. 40mm / 1.57inch Internal Height: Approx. 35mm / 1.38inch External Height: Approx. 40mm / 1.57inch Weight: 80g Type: Jewelry Tools & Equipments Package List: 1 * Graphite Crucible with Cover