I'm guessing that this doesn't exist in wire equivalent because it's brittle and the wire would shatter ? Maybe someone knows more ? The Sn42Bi58 paste is not significantly different than regular leaded solder paste in either performance, usability or price. Ideally I was looking for the wire equivalent for Sn42Bi58. Well I would like stuff that is "generally available" so that would exclude anything that - Ships refrigerated - Has poor enough solder-ability to not be at least somewhat popular - Is obscenely expensive Obviously I wouldn't use it for anything that runs 50C+. Running a fancy cleaning system was not a big deal. What are you trying to do with the lower temperature stuff? The only time I've used the exotic solders was when attaching to some very unusual materials. You can get it with flux cores in a variety of formulas. Get the parts to hot and yes the tin lead will melt. It can be trusted to work with the plating on your parts. For normal electronics use, good old tin/lead is the lowest temperature stuff you should be using. If you go to a lower temp solder, be very careful about hot parts. It spends a lot of time in an intermediate "plastic" stage. Do you ever run a part near it's rated temperature? Solder does not suddenly go from liquid to solid. That's all fine if you are in business using this stuff. Neat thing like lot charges, minimum orders, and 16 week lead times. Do you have a really big limit on your Visa card? You quickly move into the "specialty metals" world with this stuff. uggg Next up there are issues with plating and dissolving into the solder. When you get into the low temperature stuff, fun and exciting things like manual cleaning of surfaces come into play. Do you mind the fact that it does not work? Not all "solder" wets to all surfaces. The only way to get anything to you other than a blob is to ship it cold. You can get stuff in wire form that melts at just above room temperature. Hi Do you mind shipping it in refrigerated containers? The problem with lower temperature wire is that it's mighty soft.
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