Product information

Item Weight：1.65 pounds

Product Dimensions：6.61 x 5.98 x 5.51 inches

About this item

99.9% Graphite. ≥5kg graphite crucible can hold(COKE CAN), select the size you need, and there is a little measurement tolerance(0-0.3MM) , Excellent thermal conductivity and corrosion resistance. 

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.

Keep in dry place, After drying the crucible, please avoid the water. Be careful not to give a mechanical impact force, not from a fall or impact. Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc.