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. Machined from a special graphite composite blend, this crucible has a capacity for 30 oz of gold and 25 oz of silver. This graphite helps to keep the metal clean and deoxidized during melting and reduces the need for flux. A pour spout has been added to ease of pouring the molten metal into the flask. When the crucible is new it should be glazed around the top with a boric acid glaze similar to the one used on ceramic crucibles and melting dishes.
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