Multicore loctite 6040 60en solder wire multicore 288322 multicore loctite 6040 60en solder wire is the standard leaded solder for hand soldering primarily for electronic and electrical applications the alloy conforms to en29453 s sn60pb40e and the five cores of activated non corrosive flux to en29454 112 multicore loctite 288322 362 60en 5c solder wire 07mm 05kg