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Old 05-04-2015, 11:42 AM
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Pete VanderLaan Pete VanderLaan is offline
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Quote:
Originally Posted by Pringle Teetor View Post
we first started using nuggets 9 years ago I never saw bubbles in the nuggets. Now they are full of bubbles. Just wondering......
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It has always struck me that the chemical reaction was not completed in the nuggets which was why the stuff was gassing off in electric furnaces and doing damage to any fireclays or silica laden refractories. So, I would have been surprised to hear it didn't have bubbles back then. Brown is not a common color for an unmelted batch additive but it is certainly a color I might expect from some refractories that are iron rich.

This is essentially showing that the defects are in every month but december & january. That's a lot of defects to be shipping.
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