Brazing Aluminum Automotive Heat Exchanger Assemblies Using a Non-Corrosive Flux Process 830021

The brazing process for aluminum which uses the non-corrosive NOCOLOK® flux is now fully developed and proven and a number of licensees are successfully operating the process on a production basis in the United States, Great Britain, West Germany and Japan making a variety of heat exchanger parts and assemblies.
This paper describes the process and the key advantages over the other brazing processes for aluminum now in production use. In particular, this paper deals with the methods of production which can be used and describes one of the fully developed continuous tunnel furnace production facilities which are operating in Japan. In addition, the types of automotive heat exchangers being brazed with the process are briefly described.


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