Flame brazing of aluminium is not new. The very first aluminium assemblies were made using a chloride based flux and a flame as a heat source.
We have several paste alloys for joining aluminium in open air, using conventional heating techniques and automated processes.
We have also different binder formulations allowing the brazing process in a furnace with reduced post-brazing residues.
Since the melting range of our filler metals is very close to the one of the base metals themselves, control of the heat is crucial.
Both water washable and non-corrosive flux formulations permit the joining of several commercially available aluminium based metals.
Please don't hesitate to contact us for any recommendations.