Was give 1 lb of solid core solder .140- .150 " dia.
how do you tell if its lead free ??? does it matter when adding to the pot??
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Was give 1 lb of solid core solder .140- .150 " dia.
how do you tell if its lead free ??? does it matter when adding to the pot??
If it's "Lead Free" it should say so. Look closely at all the labeling. You may see something like "50/50" or "60/40". The stuff I have says it's 99.3% Tin and .7% Copper.
no lables just the wire
Can you melt it in a clean pot, and measure the temperature it melts at?
That can give you a rough estimate of the ratio.
Lead alloy solder is usually a dull gray, and lead-free solder will often be bright and shiny.
you might be able to track down a part number or an astme number if there are any lables.
if not the dull-shiny is about all you got to go on.
you could try the melt temp thing and get in the ball park, and maybe try the bend [creak/pop/sing] thing.
I have seen solder go from 5% tin up through 95-98% tin.
stopping at 10-20-30-40-50-60-63-70-80-85-95&98% on the way, along with additives like silver and copper.
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