Product Information
- 【Ingot Size】For 665g Gold / 320g Silver; Inner 2.56x 1.18 x 0.78 inch (1.18 fl oz). Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc.
- 【Composition:】99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.
- 【Warm-Tips】Pure graphite crucible can NOT be heating by carbon furnace or charcoal kiln. It will be oxidized and cracked; Pure graphite will start to oxidize at 752 °F （400℃). The withstand temperatures can be 3200 °F if you use Air Electric Furnace. The withstand temperatures can be 5000 °F if you use Vacuum or Gas Protection Furnace.
- 【Package】1x Graphite Casting Melting Ingot. Well Packaged to ensure the item will be safely delivered.
