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Old 10-01-2018, 06:41 PM
George Tessman George Tessman is offline
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Fuming

Has anyone found that atmospheric conditions can change your fuming. I can use the same mixture and get great results and at other times I have a harder time. The only difference I can think of is atmospheric.
Same colors, same process, same mixture with the same freshness of the mixture.
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Old 10-01-2018, 06:48 PM
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Pete VanderLaan Pete VanderLaan is offline
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fuming with stannous chloride in reduction as opposed to oxidation indeed produce quite different results.
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Old 10-01-2018, 06:52 PM
George Tessman George Tessman is offline
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When I say atmospheric I am referring to the weather. Some days it goes great other days it is just a struggle.
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Old 10-01-2018, 07:06 PM
Ron Mynatt Ron Mynatt is offline
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A question I would ask is how hot is your object you are spraying too hot or too cold will give different effects?Also how long you keep in in the spray pattern.I have found the first few seconds on a blue silver will give me a electric blue silver finish next comes a golden finish then a purple then a green.It seems if I go beyond that ,the color starts to go bad.That may because the object has gotten too cold.If you reheat and then go back you will be might be able to get another finish but those 4 colors work for me.
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Old 10-02-2018, 05:11 PM
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Greg Vriethoff Greg Vriethoff is offline
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This is such a touchy process, and there are too many variables to nail it down to any one thing. If you're trying to achieve consistent results, good luck. Down this road lies madness.

As to your specific question, my position is that atmospheric conditions can, and do affect glass making processes. Barometric pressure sure does.
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Old 10-02-2018, 06:15 PM
Larry Cazes Larry Cazes is offline
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I fume borosilicate. Yes atmospheric humidity does play a role.
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Old 10-02-2018, 06:16 PM
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15 F affects it
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