Radiator Soldering Flux -468 item code : 468 We are Leading Manufacturer & Supplier of Radiator Soldering Fluxes is a low-foaming, Zinc free acidic solution to primarily clean the Brass and Copper surface by removing organic contaminants and oxides. It can be used in assembling operations like core-baking, tube-header (end-dipping), tube-milling and other soldering process for automotive radiators and heater cores. The flux has a specific gravity of