Ribbon flux for soldering? Ever heard of it.

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My bud has a customer who is looking for some ribbon flux (may be ribbon solder, inarticulate customer not handy for me to interrogate) for radiator work.Anyone know more about radiator repair and have a recommendation for flux, ribbon solder (I assume acid core for radiator work if the solder is cored), etc?I figure if its Good Stuff I'll try it myself.Thanks in advance!
Reply:About a jillion years ago I had a roll of flat ribbon type solder,I seem to remember using flux from a can using a brush.Check Kester ,if anyone makes it, they do.
Reply:I just ordered some brazing rods, silver solder, the one I ordered is made by lenox and is 15% silver content and the strips are thin and wide, kind of like a ribbon... 15% silver content...  look up lenox # 126168miller 330a bp TIGmiller dynasty 200DX TIGmillermatic 185 MIGthermal dynamics cutmaster 101 plasma cuttersnap-on YA5550 plasma cutterhypertherm powermax 30 plasma cutterbaileigh CS225 cold sawetc....
Reply:It is used a lot in furnace brazing.
Reply:lenox # 126168
Reply:sorry man, that's a number off the package, figured it would hit... heres the link to where I got it, pretty good price toohttp://www.ebay.com/itm/390433027804...84.m1497.l2649oh and looking at the package again, I think the right part # is WS78171there listed as brazing rods but they are really flat strips, .125 x .050Last edited by turbocad6; 07-16-2012 at 06:18 PM.miller 330a bp TIGmiller dynasty 200DX TIGmillermatic 185 MIGthermal dynamics cutmaster 101 plasma cuttersnap-on YA5550 plasma cutterhypertherm powermax 30 plasma cutterbaileigh CS225 cold sawetc....
Reply:Thanks!
Reply:I wouldn't use 15% sil-phos brazing alloy for radiator work.  Stick with lead.  The working temps are way to high and you'll melt out every other joint on the radiator before you complete the one you're working on.The 15% stuff is for copper in refrigeration applications where temperatures may exceed 350 degrees and pressure are in excess of 150 psi.
Reply:oh, yeah, now that you mention it the temps are petty high compared to what's normally used on a radiator, didn't think about the other pre existing solder miller 330a bp TIGmiller dynasty 200DX TIGmillermatic 185 MIGthermal dynamics cutmaster 101 plasma cuttersnap-on YA5550 plasma cutterhypertherm powermax 30 plasma cutterbaileigh CS225 cold sawetc....
Reply:Good point re: the temps. I'll keep looking.
Reply:Found it, and it's neither solder nor flux.Turns out inarticulate customer brought a small sample, and it's:http://www.speedwaymotors.com/Stic-T...pair,3547.htmlLocal radiator shop supposedly uses it with good results. Looks fine for a quick fix anyway.
Reply:looks like hot glue or plastic, so you just melt it into the leak and move on?
Reply:That's how it's supposed to work.I don't have a large enough sample to test (I have about a 1/2" piece) and compare with the nylon (there is a variety of other plastic rod available) thermoplastic welding rod used to repair the PLASTIC tanks on radiators, but my guess is someone did the obvious, heated their damaged radiator with a torch then thrust their rod into the heated orifice.I use a Laramy Products plastic welder for motorcycle bodywork, but haven't needed it in years and forgot they could do plastic radiator tanks too. (I have buds with good salvage connections so we don't fix radiators very often.)Some tank repair info:http://www.urethanesupply.com/radiator.php