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> > Crucibles
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Crucible Use Guidelines |
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Use Fire Clay Crucibles for general fire assay fusions and other
melting applications from 2200oF up to 2400oF. |
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Graphite Crucibles are typically used for smelting and refining of
precious and base metals. They are suitable for use at temperatures
up to 3000oF.
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Fused Silica crucibles are used for melting gold, silver, and other precious
metals at up to 2750oF. |
| Silicon Carbide
crucibles are more durable and long lasting than graphite crucibles.
They can be used for melting, smelting, and refining of precious and
base metals, concentrates, and other products |
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Be sure and use the proper
flux to ensure long life of the crucible and to produce the desired
result. |
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Various assay and refining
pre-mixed
fluxes as well as individual flux components can be found here:
www.lmine.com/go.mvc?id=assay_flux |
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Direct Link to this page:
http://www.lmine.com/go.mvc?id=crucibles |
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