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Thread: How do I neutralize Comet flux to keep rust from forming

  1. #1
    Boolit Master


    Join Date
    Jul 2005
    Location
    Upstate NY
    Posts
    1,602

    How do I neutralize Comet flux to keep rust from forming

    I have used Brownell's Hi Force 44 solder for years, always with excellent results. I do use the recommended Comet flux.

    It seems that the soldered parts seem to have an affinity for rusting though. It seem anywhere that the Comet flux may have run or seeped to starts to rust. If the soldered area is in plain view it's generally not a problem as you see it and wipe it. If the area is hidden, it seems to get away from me and after a week or so there's quite a bit of rusting (at least more than I want, which is NONE.)

    WD40, G96, Break Free, etc. will all clean and remove the rust, but it will come back. Is there something that will neutralize whatever is in the metal and keep it from rusting in the first place? I know the old trick of soaking rusty things in vinegar, would that do it?

  2. #2
    Boolit Master
    elk hunter's Avatar
    Join Date
    Jan 2009
    Location
    Central Oregon
    Posts
    1,540
    I would call Brownells and ask them.
    BIG OR SMALL I LIKE THEM ALL, 577 TO 22 HORNET.

  3. #3
    Boolit Master
    Join Date
    Jul 2014
    Location
    Arizona
    Posts
    4,609
    Baking soda mixed with water Neutralizes most Acids.
    Try washing the parts in the baking soda right after you finish soldering.
    Dry with Air like a hair dryer , then apply Oil
    When I remove Bluing or Rust with Vinegar or other acids , I always clean the parts with a baking soda water mix.
    Same with any kind of soldering

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check