Product introduction: The Solder Wire Sn63Pb37 with resin flux,It is a best solder wire, east to operate,The speed of welding is fast ,low residue. less snog ,no toxicgas. Applicable to the requirements of ordinary circuit boards, such as transformer filter instrument, wire harness, capacitance resistance and other fields Product Specification: Φ0.5mm-Φ3.0mm Product code:HH63B Product packing: 1.Plastic spool:250kg-500kg/spool 2.Plastic spool:500kg-1000kg/spool