• Solar Flux review

    From Snag@21:1/5 to All on Tue Dec 7 15:54:54 2021
    XPost: sci.engr.joining.welding

    This is the stuff we were discussing a few days ago . I tried it out
    just a few minutes ago , and it works as advertised . There is no
    sugaring on the back side of the piece of 1 3/4 stainless tube I just
    butt welded . Not to say the inside weld is smooth , but that's a
    reflection on my lack of skill with a TIG torch . I followed the
    directions on the package with one exception , I have no methanol on
    hand so I used 95% pure ethanol (generic Everclear) as the solvent . It
    mixed easily without lumps , applied easily and dried quickly . It turns
    powdery as it dries and is easily wiped from the edges you're welding
    . Leaves a black glassy coating that they say is easily removed - I
    didn't try .
    I give this product 5 stars .
    --
    Snag
    Let's Go Brandon !

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  • From Snag@21:1/5 to David Billington on Wed Dec 8 11:57:34 2021
    XPost: sci.engr.joining.welding

    On 12/8/2021 11:40 AM, David Billington wrote:
    On 07/12/2021 21:54, Snag wrote:
      This is the stuff we were discussing a few days ago . I tried it out
    just a few minutes ago , and it works as advertised . There is no
    sugaring on the back side of the piece of 1 3/4 stainless tube I just
    butt welded . Not to say the inside weld is smooth , but that's a
    reflection on my lack of skill with a TIG torch . I followed the
    directions on the package with one exception , I have no methanol on
    hand so I used 95% pure ethanol (generic Everclear) as the solvent .
    It mixed easily without lumps , applied easily and dried quickly . It
    turns  powdery as it dries and is easily wiped from the edges you're
    welding . Leaves a black glassy coating that they say is easily
    removed - I didn't try .
      I give this product 5 stars .

    I've just got the SIF purging flux UK equivalent and it also mentions
    using washing up liquid and clear varnish as well as methanol to form a paste, their instructions here https://www.weldability-sif.com/media/pdfs/info/FO210050.pdf . I haven't
    had an opportunity to try it yet.


    Looking at their instructions it appears this flux is water soluble
    after welding . That seems to be the major difference . I got the stuff
    because I'm building an exhaust system for my truck and I didn't want to
    have to purge with gas . Most of the welding will be on the bench (so to
    speak) but some joints will have to be welded on the truck . I'm still
    hoping that I can figure out the MIG for those , but they will still
    need some shielding on the back side .
    --
    Snag
    Let's Go Brandon !

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  • From David Billington@21:1/5 to Snag on Wed Dec 8 17:40:07 2021
    XPost: sci.engr.joining.welding

    On 07/12/2021 21:54, Snag wrote:
      This is the stuff we were discussing a few days ago . I tried it out
    just a few minutes ago , and it works as advertised . There is no
    sugaring on the back side of the piece of 1 3/4 stainless tube I just
    butt welded . Not to say the inside weld is smooth , but that's a
    reflection on my lack of skill with a TIG torch . I followed the
    directions on the package with one exception , I have no methanol on
    hand so I used 95% pure ethanol (generic Everclear) as the solvent .
    It mixed easily without lumps , applied easily and dried quickly . It
    turns  powdery as it dries and is easily wiped from the edges you're
    welding . Leaves a black glassy coating that they say is easily
    removed - I didn't try .
      I give this product 5 stars .

    I've just got the SIF purging flux UK equivalent and it also mentions
    using washing up liquid and clear varnish as well as methanol to form a
    paste, their instructions here https://www.weldability-sif.com/media/pdfs/info/FO210050.pdf . I haven't
    had an opportunity to try it yet.

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  • From Bob La Londe@21:1/5 to Snag on Fri Dec 10 13:45:48 2021
    On 12/7/2021 2:54 PM, Snag wrote:
      This is the stuff we were discussing a few days ago . I tried it out
    just a few minutes ago , and it works as advertised . There is no
    sugaring on the back side of the piece of 1 3/4 stainless tube I just
    butt welded . Not to say the inside weld is smooth , but that's a
    reflection on my lack of skill with a TIG torch . I followed the
    directions on the package with one exception , I have no methanol on
    hand so I used 95% pure ethanol (generic Everclear) as the solvent . It
    mixed easily without lumps , applied easily and dried quickly . It turns
     powdery as it dries and is easily wiped from the edges you're welding
    . Leaves a black glassy coating that they say is easily removed - I
    didn't try .
      I give this product 5 stars .



    Thank you. I don't actually have any stainless with an open back side
    to do right now, but I may buy some just to have it on the shelf. Right
    next to my big bag of Cherry Red powder for case hardening.

    --
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