... for electrical component, it can braze join between Cu-Al,copper wire and aluminum sheet ,Al-al ... atmosphere, so it can be kept in stock fou long time without problem.Flux-cored wire ... )ApplicationDimensionPackingAlloyFluxFlux-cored wireTLS0215Al, Zn.Cu ,Ag15-20%420-480Alloy for brazing Cu-Al,Al-Al,Al-Steel ... wireTLS200Al , Zn—380-420Together with flux, to braze Cu-Al,Al-Al,Al-Stainless steel,ect. Φ ...