Muffin Tin Ingots

Blue / purple is an indication that you overheated your pure lead

If you scraped stuff off the top and you did not Flux, you might have been throwing your tin out.

Then the sample was not pure lead, correct? And... what are the consequences?

You are correct, I didn't flux, I just stirred well and, skimmed the powdery crud off.

Speaking of crud... I have kept all the crud from my melts from square one. It contains some alloy. Can I, or should I, attempt to recover it, and how?

M
 
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You confused me by saying alloy. If you were processing pure you are just fine.

An alloy would have two or more types of metal combined into one.

You can process the dross if you want but usually the time and effort is not worth the amount of alloy you get out.

As to disposal of the dross, that would be another heated discusion. It's funny how some people have no issue pumping lead bullets into the environment, yet freak out when someone says they just throw out their dross with the garbage. :)
 
You confused me by saying alloy.

You confused me when you said I might have been throwing my SN out. If it's pure lead it shouldn't have any SN in it?

Both the sheathing and wire were very soft in a tactile sense and off the Lee scale (.1+). So very close to pure lead I'm thinking.

Had a holy panic situation during the last ingot casting session. Was casting into a little 3# Lee mold when the drain spout jammed full open on me.
Luckily my muffin tins weren't that far away. Going to keep them very close by next time around.

M
 
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