Product Information
- ♥【Ingot Mold 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.
- ♥【Material Composition】- 99.95% Graphite. Ash content less than 0.1%. Excellent thermal conductivity and corrosion resistance. Better for Refining than Silicon Carbide Graphite Crucibles.
- ♥【Perfect Performance】Excellent thermal stability for fast heating and cooling / Well corrosion resistance to strong acid and alkali / Good thermal conductivity properties which highly shorten the melting time and save energy / Great impact resistance performance to ensure the reliability of product quality.
- ♥【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.
- ♥【100% GUARANTEED LIFETIME WARRANTY】: If you are not satisfied for any reason, we will gladly replace or refund your purchase. We offer world-class customer service. Easy and risk-free.