[Jewelry making - Article 00628] - Re: [Orchid] Delayed burnout of invested flasks

[jlh/nlh]

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    I realize my preferrd method of casting is not what most folks on
    this list use but in my experience it doesn't seem to make much
    difference whether the flask is hot, cold or in between, nor does it
    seem to make any difference whether a flask which I have delayed in
    casting has been kept moist or not. I do one-off steam casting or
    sometimes have as many as three fairly lightweight pieces invested. I
    did one last week which, on the first attempt failed to cast. For
    some reason the gold remained in the depression in the top. The next
    day I added more metal to the melt and, without reheating the flask,
    tried again and got perfect results. 

Jerry in Kodiak
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