| 摘要 |
This invention relates to a composite material for vacuum brazing comprising a cladding material for vacuum brazing composed of 0.1-2.0 wt. % of zinc, 0.01-2.0 wt. % of at least one member selected from the group consisting of calcium, sodium and potassium and the balance of aluminum, and a core material consisting of aluminum or an aluminum alloy having said cladding material clad onto one surface of both surfaces thereof. |
