... .pure tin soldering wire 2.No lead ,10roll/box ,1.0mm 3.99.99% Sn 4.use for handicraft and electricplating process pure tin soldering wire details :Soldering ... soldering', or brazing.Lead-free solders in commercial use may contain tin, copper, silver, bismuth, indium, zinc, antimony, and ... though solders with much lower melting points are available super sofa high quality pure tin soldering wire