... core Sn45Pb55 .made of pure tin and copper from Yunnan Tin high quality tin welding bar for tin box welding iron soldering We're ... barLengh: 32cm/pieceFeature1.material:alloy composition with tin,silver and copper.2.packing:500g/roll/reel,17rolls/ctn,51rolls/big ctn ... is specialized in producing and selling tin products.Such as tin solder bars,tin solder wires,tin ingots,anode stubs,soldering flux,apply ...