Graphite Foundry Crucibles are made from a combination of graphite and clay, and are recommended for melting your precious, or non-precious metals and can handle large batches of material. Rated to withstand temperatures up to < 3272°F (1800°C),Apparent Porosity <30% ,Cold Crushing Strength Mpa8.55
size :5"(D)x 5.7"(H)(128*145MM),Inside:5" (H)x 4"(D)(125*102MM)