Kester 24-6337-8800 50 Activated Rosin Cored Wire Solder Roll, 245 No-Clean, 63/37 Alloy, 0.031 Diameter

Use it daily, works great! An excellent choice!

... and kind of amazed too. I mean, its 37% lead. About five ounces of lead per roll. That snaps off into little hanks that are just the right size for two and four legged friends to pick up and chew on. ROHS solder is a more sensible, safer option no doubt, but it just feels wrong to use Euro-weenie stuff on electronics made in an era when techs stuck the solder in their mouth for a third hand and made cheater plugs with alligator plugs, washed down with unfiltered Chesterfield breaks.

I was previously using some pretty cheap-o solder and had such a tough time figuring out why my projects kept failing that I decided to give this well-lauded Kester brand a try. The difference was really night and day! The Kester solder flows amazingly well, and Ive had to do no rework due to mysteriously failing connections like with my old solder. Dont cheap out, buy this stuff.

Ok so I tried maybe 6 or 7 solders. Lead free is just garbage dont bother. I had super thick 1.6mm solder my dad gave which was amazing but wasnt exactly easy to use due to size. I then got some cheaper chinese solder and it was ok. But this stuff. Just WOW. It flows easier, melts at a lower temp, IT COOLS SHINY. And price per gram its actually cheaper than the china stuff. 100% recommend. Just try it its cheap enough. I want to try the .4mm but its twice the price -_-

This solder here is the ONLY solder I use. Never had an issue with any types of connections!

I purchased this soldering wire on the recommendation of many an RC enthusiast. I initially had some difficulty making this solder “stick” to PCB pads (@350C), but after cleaning and recoating my soldering tip, thereby removing my old soldering alloy and replacing it with the new, it was smooth sailing. The solder flows easily and sets quickly once the tip is removed. It also results in a lot less flux residue than what I am use to. Minimal cleanup, if any. Highly recommended. Thank you for shipping to South Africa for me. Could not find Kester at all, locally.

This solder is very easy to work with, but to make it No-Clean as advertised, they use much less flux than regular solder. What this means is after you apply the solder for the first time, the small amount of flux dissipates, and youre left with dry solder thats very stringy and hard to work with, and youll need to apply your own flux to work with it again. That said, as long as you dont need to fix anything, this is still a very nice solder to work with.

In general I like working with this solder; but it does tend to collect, or glob up on the end of my soldering iron. Its very sticky. But it melts easier than the lead free stuff. I guess you should make sure youre in a well ventilated area when using this stuff, I dont think breathing in the lead solder fumes can be good for you. Im using it mostly for arduino, raspberry pi, embedded programming type circuits. Havent tried it w/ any SMD components yet. It will take me a long time to go through all of this solder, you get a good amount for your $. Id buy it again and look forward to practicing more with it.

What can you say? Narrow gauge, good for electronics. Ive been using Kester for 50 years, as long as they havent changed the formula it should be fine

The good stuff. Don’t buy Chinese junk.