Tin is considerably more expensive than lead. I understand using tin for some things like eel squids which need to be a little stronger but for a simple jig , why increase the cost with tin??? In one year we poured 1400 jigs. that's a lot. as we gained experience , we got away from junk lead and alloys. now we only work with pure virgin lead.
When melting lead , try to keep the temp down to a minimum. the amount of lead fumes that comes off the melter goes up somewhat exponentially as the temp of the melt increases. heating the molds is a good idea as this will allow you to keep the lead cooler in the pot and still get a good fill. After a few jigs , the molds will be plenty hot!! i also rest mine over the lead pot to preheat them. you should never eat or drink while working with lead. you shoudl aslo wash you hands well when done. young children are particularly susceptible to health porblems associated with lead so be careful.
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