The present invention relates to a blend of at least one phosphorous source and at least one silicon source, wherein silicon and phosphorous together are present in the blend in at least 25 wt%, and wherein the blend is a mechanical blend of powders, wherein each particle in the blend is either a phosphorous source particle or a silicon source particle. The present invention relates further to a composition comprising the blend a substrate applied with the blend, a method for providing a brazed product, and uses.
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