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Flux-cored aluminum based brazing alloy. copper -aluminum flux cored wire is and innovation environment brazing meterial especially designed for electrical component.it can easily achieve the brazing of copper row with aluminum wire.brazing alloy composition meets ROHS directive.
link:https://www.ygmetal.com/brazing-alloys/aluminum-flux-cored/al-cu-flux-core-wire.html
AL Cu Flux Core Wire