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Dip-Casting Bullet Weight Experiments
03-19-2017, 12:38 AM,
#6
RE: Dip-Casting Bullet Weight Experiments
I posted the comments and the link to my article on several other BPCR forums & received a couple of responses that has me 2nd guessing my conclusion from the experiments. Both responders indicated that when tin is alloyed with lead, the result is a homogeneous mixture or solution, meaning the tin cannot separate, stratify & form a higher concentration in the upper portion of the pot as I suggested. Since additional research on the subject indicates that to be the case, I’m scratching my head and may have to run some more experiments to figure out what’s happening. There is a possibility that some of the weight changes could be related to a temperature stratification issue, but there’s no question that the percentage of tin in the alloy dropped throughout the casting sessions when the pot was not stirred. Regardless, stirring the alloy still applies.

Wayne
NRA Life (Benefactor & President's Council) Member, TSRA Life Member, NSSF (National Shooting Sports Foundation) Member, Author/Publisher of the Browning BPCR book.
http://www.texas-mac.com
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Messages In This Thread
RE: Dip-Casting Bullet Weight Experiments - by Gunlaker - 03-18-2017, 12:05 PM
RE: Dip-Casting Bullet Weight Experiments - by TexasMac - 03-19-2017, 12:38 AM
RE: Dip-Casting Bullet Weight Experiments - by Gunlaker - 03-19-2017, 09:48 AM

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