National products manufactures a range of quality and high performance solders, fluxes and pcb chemicals used in electronics, instrumentation, automobiles, telecommunication, computer and other allied industries. National products presents resin cored solder wire. This is a resin flux activated type solder wire. It is homogeneous and uniformly distributed throughout the longitudinal axis .Flux residues are dry and free from tackiness immediately after soldering. Flux has no corrosion effects and ensures excellent reliability and longer life of soldered joints.