Thread: Zinc in Lead
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Old October 13, 2012, 11:07 PM   #2
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Join Date: October 28, 2006
Location: South Central Michigan...near Ohio, Indiana.
Posts: 4,483
You may not be able to tell if Zinc is present while it is in the ingot form. However, a contaminated (Zinc, Calcium from maintenance free batteries, etc.), will cast a bullet that will fill the mold but as it cools, it will shrink away from the side of the mold and will drop from the mold distorted. The proof is in the casting.
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