Features:
The graphite mold for casting has a capacity of approximately 1kg gold or 500g silver, can be kept and applied for a long time.
Our ingot molds for aluminum are suitable for melting and casting metals like gold, silver, brass, aluminum, copper, zinc, plumbum, and more.
Specifications:
Main material: graphite
Color: black
Size: about 4 x 2 x 1 inch/ 100 x 50 x 25 mm in outer, 90 x 40 x 20 mm/ 3.54 x 1.6 x 0.8 inch in inner
Package includes:
8 x Graphite ingot molds
Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.
Pure graphite crucible can not be heated by carbon furnace or charcoal kiln. It will be oxidized and cracked. Pure graphite will start to oxidize at 752 degrees Fahrenheit/ 400 degrees Celsius.
The withstand temperatures can be 3200 degrees Fahrenheit if you use air electric furnace. The withstand temperatures can be 5000 degrees Fahrenheit if you use vacuum or gas protection furnace.