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Old 03-04-2006, 08:26 PM
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Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
Join Date: Apr 2002
Location: Chocorua New Hampshire
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Pete VanderLaan is on a distinguished road
Manganese is really easy to "blow out" as a color in even mild reduction. In cullet that isn't hard to do. In batch it's much easier to retain the material. Even so, something in the 4C helps retain the oxidizing condition.
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