abstract |
A flux is provided, the flux comprising CaF2, MgF2, and Li3AlF6, and the flux additionally contains at least one fluoride selected from the group consisting of SrF2 and BaF2. The flux or a flux composition comprising the flux and certain additives (eg, a liquid carrier/or binder) is particularly suitable for use in a method of welding aluminum or aluminum alloy components, particularly using a fuel/oxygen flame. Provide heat. A preferred fuel is acetylene. |