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Flux containing alkali fluorostannate, preferably potassium and/or cesium fluorostannate and mixture of potassium and cesium fluorostannate is used for soldering and brazing aluminum (alloy) parts
Flux containing alkali fluorostannate, preferably potassium and/or cesium fluorostannate and mixture of potassium and cesium fluorostannate is used for soldering and brazing aluminum (alloy) parts
A flux containing alkali fluorostannate, preferably potassium (K) and/or cesium (Cs) fluorostannate, is used in a process for soldering aluminum or aluminum alloy parts. Independent claims are also included for (a) flux containing or consisting of 5-95 wt.% K and/or Cs fluorostannate, 0-95 wt.% K and/or Cs hexafluorosilicate, 0-95 wt.% K and/or Cs fluoroaluminate and 0-95 wt.% K and/or Cs fluorozincate; (b) mixtures of K and Cs fluorostannate.
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