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HEAT EXCHANGER TUBE PRECURSOR AND METHOD OF PRODUCING THE SAME

  • US 20140186560A1
  • Filed: 12/27/2013
  • Published: 07/03/2014
  • Est. Priority Date: 05/06/2003
  • Status: Active Grant
First Claim
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1. A heat exchanger tube precursor comprising:

  • an Al alloy tube; and

    a flux layer including a Si powder, a Zn-containing flux, a Zn-free flux, and a binder, the flux layer being formed on an outer surface of the Al alloy tube.

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