#3 4KG MegaCast Foundry Clay Graphite Crucibles Black Cup ...
After getting the crucible up to a temperature where it was glowing the firebricks exploded. This sent the crucible about 3 feet into the air and it landed on a concrete surface. I am very impressed that other than a small blemish on the lip of the crucible it survived that incident intact. Also it is a great size for melting aluminum beverage ...
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