1 Kg Gold Ingot Graphite Mold for Melting Casting Refining Scrap Warm-Tips Pure graphite crucible can NOT be heating by carbon furnace or charcoal kiln. Rear Brake Lever Assy. w/ Parking Brake 52211-YQ5A-0000, Front Brake Lever Assy. 52111-YQ5A-0000 Graphite Crucible Mold Ingot Graphite Crucible Mould For Gold-Silver Copper Brass Aluminum Metal Melting Casting Refining s (6.30x1.97x1.50 In - 6.41 In3, 1 Piece Ingot Mold The withstand temperatures can be 3200 °F if you use Air Electric Furnace. Made from high-purity, high-density, and high-strength graphite, our Graphite Ingot Mold is designed to handle a wide range of metals, including Gold, Silver... Good thermal conductivity properties which highly shorten the melting time and save energy / Great impact resistance performance to ensure the reliability of product quality. High Purity Refining Graphite Crucible Ingot Mold Excellent thermal stability, corrosion resistance, and thermal conductivity properties Material: Pure Graphite Application Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc. Better for Refining than Silicon Carbide Graphite Crucibles. Excellent thermal conductivity and corrosion resistance. The withstand temperatures can be 5000 °F if you use Vacuum or Gas Protection Furnace. It will be oxidized and cracked; Pure graphite will start to oxidize at 752 °F -400?).
