Graphite Ingot Mold Melting Casting Mould for Gold Silver Metal (85x45x30mm - 665g Gold/320g Silver)
- 【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..