soft solder kit with a 2 oz flux bottle and metal tip flux applicator
uni-4300 aluminum soft solder kit with metal tip flux applicator. The service technician is frequently confronted with the task of repairing or joining aluminum to aluminum and aluminum to copper or brass. A common repair problem occurs when an air conditioning system's evaporator coil develops a small pin hole leak. Uni-4300 is an excellent product for this repair application due to it’s low melting point of 500 °f (260 °c) and 20,000 psi tensile strength.