Brazing composition, heat exchanger tube, and heat exchanger
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United States of America Patent
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Oct 9, 2018
Grant Date -
Aug 27, 2015
app pub date -
Sep 26, 2013
filing date -
Oct 24, 2012
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Abstract
A brazing composition contains 1 part by mass or more and 10 parts by mass or less of Zn powder, 1 part by mass or more and 5 parts by mass or less of Si powder, 3 parts by mass or more and 10 parts by mass or less of K—Al—F flux, 1 part by mass or more and 3 parts by mass or less of (meth)acrylic resin, wherein the mass ratio (Zn/Si) of Zn powder relative to Si powder is 1 or more and 5 or less.
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