Flux, Thessco F, 250g tub, Silver Brazing - effective temp. rang

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Flux, Thessco F, 250g tub, Silver Brazing - effective temp. range: 650-850 °C. The correct choice of choice flux is the key to good brazing practice and many problems arise from the incorrect selection or ineffective application of flux.
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Flux, Thessco F, 250g tub, Silver Brazing - effective temp. range: 650-850 °C. The correct choice of choice flux is the key to good brazing practice and many problems arise from the incorrect selection or ineffective application of flux. A good match between the flux and the brazing allow/parent metal combination is essential if strong sound joints are to be produced. The flux layer performs the critical function of cleaning and protecting the surface of the parent metal during brazing and so facilitates the wetting and flow of the brazing alloy. Not only is it important that the proper flux is selected, but also that sufficient flux is applied to the joint area to provide protection throughout the brazing cycle. A further benefit is that is excess flux is applied in the immediate joint area, oxidation of adjacent surfaces may be prevented, so reducing post-brazing cleaning costs. As a guide, the flux selected should be active at least 50°C above the liquidus of the brazing alloy selected – 2025005

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