... aluminum brazing of electric machine, appliance, refrigerator. As one of the most common aluminum welding materials,ER4043 and ... melting point, good fluidity2.Used for brazing electric machine, appliance, refrigerator in the method of flame brazing ... -6951.excellent performance2.For electric machine, instrument and glass ER4043 aluminium solder rod for welding electric machine, appliance, refrigerator