Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux
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  1. #1
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    Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Oldiron2 mentioned in post #28 poor boy soldering flux can be made from pine sap:
    http://weldingweb.com/showthread.php...354#post219354

    I have a pine tree needs to redeem itself because it has ruined so many paint jobs!
    So as Oldiron2 said, I went out to the old pine tree and harvested some sap:
    Attachment 24353

    At Carbon-Arc break time, I set up the DIY flux smelter - frying pan and torch:
    Attachment 24354
    I had a little trouble finding just the right container to pour the flux into.

    The hot flux was skimmed and then poured through a special flux maker's filter -not to be confused with a common red shop rag- into a retail ready package:
    Attachment 24355

    Of course quality testing was in order.
    Before - Strap is heated hot enough to melt bar solder, but the solder will not wick or tin:
    Attachment 24356

    After - With Oldiron2's Marvel Mystery Flux:
    Attachment 24357
    Just a touch of Oldiron2's Marvel Mystery Flux - Instant flow, tin, and bond.
    Last edited by denrep; 10-19-2010 at 11:35 PM.

  2. #2
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Holy cow..

    Denrep, Im speechless
    weld it like you own it

  3. #3
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    You could sell that and become rich!

    Thanks again for the post

    David
    Real world weldin.

    When I grow up I want to be a tig weldor.

  4. #4
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Great post and I do appreciate the title too. Sure better than the Chinese stuff (probably diluted with old milk!).
    Marvel Mystery Oil is 100% volatile (no residue!) and can actually be used to thin/soften the rosin too!

  5. #5
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    DAMN COOL.

    Denrep and Oldiron2:

    We're loosing a lot of 'old school tricks'. Thanks for keepin' 'em alive.

    Edit: Would that work with a propane torch? Ain't no way my soldering iron is doin' that.
    Last edited by Craig in Denver; 10-16-2008 at 11:41 PM.
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  6. #6
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Thanks Denrep and Oldiron2, I'll remember this one.
    If you don't want to stand behind our Troops, feel free to stand in front of them.

  7. #7
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Oops, double post.
    9-11-2001......We Will Never Forget

    Retired desk jockey.

    Hobby weldor with a little training.

    Craftsman O/A---Flat, Vert, Ovhd, Horz.

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  8. #8
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    A quick search turned up most rosin flux is made from pine sap. Great find!

    Jim

    Solder Flux Basics
    Contributed by Paul D. Stransky,
    Paul Stransky Associates

    Rosin based fluxes are made from rosin which is extracted from pine sap. The purified product is known as "Water White Rosin". The active ingredient is an organic acid, abietic acid and may contain homologs such as dehydro abietic acid and leviopmaric acid (1,2).

    References
    1. Kester Product literature
    2. Alpha Metals Product Literature

  9. #9
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    oldirion 2 thanks fer showin the dime, gotta go get dry pants...

  10. #10
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    sorry denrep, thanks to you..

  11. #11
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Yuppo... flux is basically sap in some formulas. Cool find.

  12. #12
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Oh shucks, fresh outta pine trees!
    How many watts is that iron anyway? I've got up to 120 watt irons, after that, it's the torch!
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    Danny

  13. #13
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Denrep;
    That picture of your leaky tree reminded me that I had to drop an old Colorado Spruce a few years ago, and I got lots of sap from it soon after. I still have some wood from the tree in my firewood pile, and noticed this last spring that it was still bleeding. I haven't yet harvested this 'pure, yellow, stringy' sap but here are two shots I (finally) took of some of it. I used to get it from logs cut by a tree removal service when I was there to cut firewood and may already have five pounds, but this is from my tree, so I still need it.
    Attached Images Attached Images   

  14. #14
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Can't see OP's images and attachments don't go anywhere.......................?
    Others seem to see OK?
    Am I missing something?
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  15. #15
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    bert I cant see them either....

    would really like to anyone got answers??

  16. #16
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    A spammer, who's post has been deleted, stirred up this old thread.

    So for those who missed it the first time around here are the pictures:


    Quote Originally Posted by denrep View Post

    From 10-16-2008

    Oldiron2 mentioned in post #28 poor boy soldering flux can be made from pine sap:
    http://weldingweb.com/showthread.php...354#post219354

    I have a pine tree needs to redeem itself because it has ruined so many paint jobs!
    So as Oldiron2 said, I went out to the old pine tree and harvested some sap: Name:  WWFluxSApCup.jpg
Views: 2156
Size:  118.3 KB

    At Carbon-Arc break time, I set up the DIY flux smelter - frying pan and torch:
    Name:  WWFluxCooking.jpg
Views: 2154
Size:  148.1 KB
    I had a little trouble finding just the right container to pour the flux into.

    The hot flux was skimmed and then poured through a special flux maker's filter -not to be confused with a common red shop rag- into a retail ready package:
    Name:  WWFluxMMFinPan.jpg
Views: 2143
Size:  99.3 KB

    Of course quality testing was in order.
    Before - Strap is heated hot enough to melt bar solder, but the solder will not wick or tin:
    Name:  WWfluxNoTin.jpg
Views: 2136
Size:  89.5 KB

    After - With Oldiron2's Marvel Mystery Flux:
    Name:  WWFluxFlow.jpg
Views: 2129
Size:  120.5 KB
    Just a touch of Oldiron2's Marvel Mystery Flux - Instant flow, tin, and bond.
    I guess maybe you had to be there to appreciate it all.

    Anyway, I'm still using the OldIron2 flux and have cooked another batch or two since this first one.

    Thanks again to OldIron2.
    Last edited by denrep; 04-09-2011 at 10:11 PM.

  17. #17
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    Im confused on how much or when the marvel mystery oil is added?
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  18. #18
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    That's because it's Marvel Mystery Flux. It uses hard to find No Oil.
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  19. #19
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    None of the photos work for me. Help!

  20. #20
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    I have a tin of it around here somewhere. I showed a plumber and he went all ape over it. He told me his grandpa use to make his own flux from pine tar/sap. This plumber wanted to learn how so badly, but could figure it out. This made his day. That was back in 2010. I got him to do all my plumbing and tried to pay him, but he said I already had. It is little things I guess that make men happy.

  21. #21
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    Re: Oldiron2's Marvel Mystery Flux - Homemade Soldering Flux

    I PM'd Oldiron2 the first time I saw this thread for a more definitive recipe. He told me the sap works great with nothing added to it. The Mystery Oil is added to make it easier to strain & filter the debris out of it. It also makes it spread easier. Doesn't take much of the Marvel if heated correctly to make the best flux I've ever used. I heated the sap (resin, rosin) until liquid, turned off the heat & dripped the Mystery Oil in until I thought it was liquid enough to pour thru a filter. Worked great the first time.
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