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  1. #1
    Join Date
    Jun 2013
    Location
    Austin, TX
    Posts
    641

    HFC refrigerant/POE oil compatibility with solder

    I remember reading that leaded solder could not be used for refrigerant since it slowly erodes away. Is that true? (I understand that leftover flux causes a lot of problems so I'll definitely clean that off.)

    To be clear, the application is for making a float inside a phase separator and the solder does not hold back any pressure. The tube I'm using to make the float is pretty thin brass so brazing could easily overheat and burn a hole in the tube.

  2. #2
    Join Date
    Jun 2002
    Location
    south jersey
    Posts
    1,102
    What solder you using? There is no lead in solder anymore unless you got some old stuff.
    You need to put the phone down and get back to work!

  3. #3
    Harris staybrite 8 and their flux is great, but I'd braze if it's r410a, just my gut feeling...they claim their staybrite 8 produces a joint stronger than a brazed one because of copper annealing in brazing

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