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Phos-copper brazing alloy is base on the raw material with the binary alloy of Copper- phosphorous,it has good fluidity,good strength, low cost ,perfect processing property.
link:https://www.ygmetal.com/brazing-alloys/copper-brazing-alloys/bcup-2-phosphorus-material-brazing-rod.html
BCUP-2 Phosphorus Material Brazing Rod