Using this product, our team found that it had a frustratingly low melting point that caused it to create weak solder joints. Despite its claims to be suitable for industrial and scientific applications, it failed to meet our expectations and proved to be a waste of money. Overall, we would not recommend this item due to its subpar quality and lack of performance..
Soldering started with a Rat Shack starter kit. Since then I have upgraded soldering irons several times as I have become more serious about soldering. I decided I should try professional lead free solder and I went for it. It's supposed to have a lower melting point than the tin-copper solder sold at the Rat Shack, but I couldn't tell any difference. A special flux core cleans worse than normal rosin. The last thing that decided his fate was that the special flux smelled like urea, well…