1PCS high Purity Graphite Crucible; designed to be used with electric furnace
Easy to handle with grooved flange design, you can handle it via stainless steel tongs for pouring easily
Durable and reliable, has good corrosion resistance, strong acid and alkali resistance.
Withstand temperatures up to 3200 °F if you use Air Electric Furnace or up to 5000 °F if you use Vacuum or Gas Protection Furnace;
NOT for heating by carbon furnace or charcoal kiln; and NOT recommend using torch method or open flame furnaces to heat, otherwise the crucible will be oxidized and cracked.