For nearly 20 years, NOCOLOK~R Flux brazing - or Controlled Atmosphere Brazing (CAB) with non-corrosive fluxes - has been the preferred process for producing aluminium automotive heat exchangers. In the two decades since the process was first introduced to the automotive world, a great deal has been learned about flux handling, flux application, flux performance, and process optimisation. In fact, the sophistication of today's CAB brazing furnaces, combined with years of process improvements, has reduced typical flux loads by almost 50 percent. Despite the fact that CAB brazing is a mature technology, over the years many misconceptions about certain flux properties have been spread and falsely accepted. In many cases these misconceptions have caused confusion with the heat exchanger manufacturers where decisions are made based on circulated fiction rather than actual facts.
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