MG Chemicals leaded cored solder wires are formulated for soldering at low temperatures and obtaining faster wetting times while creating the most reliable joints. A low melting point minimizes heat stress on electronic components during soldering, reducing the chances of thermal damages to your boards and parts. Offered in Sn63 / Pb37 and Sn60 / Pb40 metal composition, our leaded cored solder wires are available in Rosin Activated (RA),No Clean (NC) and Water Soluble (WS) flux formulas. Available in standard 2.2% core. Standard packaging are 0.6 oz. pocket packs, ½ lb or 1lb spools. BAR format for wave soldering is also available. All our Leaded cored wires meet or exceed J-STD-004B and J-STD-006C standards.