55x37x20mm - 150g Gold/70g Silver Graphite Ingot Mold Melting Casting Mould for Gold Silver Aluminum Copper Brass Zinc Plumbum and Alloy Metals
Graphite Ingot Mold, Melting Casting Mould for Gold Silver Aluminum Copper Brass Zinc Plumbum and Alloy Metals (85x45x30mm - 665g Gold/320g Silver). Shop ANDGOO at the Arts, Crafts & Sewing store. Free Shipping on eligible items. Save on everyday low prices.. * 【Ingot Mold Size】- For 150g Gold / 70g Silver; Inner 1.77 x 0.95 x 0.39 inch (0.3 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. .