Dirty TIG wire???

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I just opened a 5# bundle of .035 308 TIG wire along with a few other 308 bundles in different sizes. The .035 wire caught my eye because it looked a bit dirty. What I saw were spots from .25 dia up to bigger ovals. It appears that whatever caused the discoloration happened to the bundle, like it was kept in a dirty area or exposed to something dripping. Under the microscope it looks like streaks of a amber/brownish color. It does not rub off. Any ideas about this?
Reply:Try sandpaper or something. If the filler metal is excessively dirty I'll brush it over lightly with a strip.
Reply:Originally Posted by akabadnewsTry sandpaper or something. If the filler metal is excessively dirty I'll brush it over lightly with a strip.
Reply:I use a scotchbrite pad to clean my tig wire. No need to sit and clean all 5#'s at once. Clean them as you use them.http://www.facebook.com/LockhartMetalArthttp://www.facebook.com/pages/Grumpy...44306259043484
Reply:I use scotchbrite too if the wire is dirty.
Reply:Try a papertowel or rag and acetone.Torchmate 2x2 CNC with Flashcut CNC controlsHypertherm Powermax45 Esab ET220i Razorweld 195 MigRazorweld 200ac/dc TigTormach 770, Tormach xstechRazorweld, Vipercut/Vipermig, SSC Foot Pedal Dealer
Reply:I have a small leak in my roof in the shop, only leaks when the snow is melting off. It leaves brownish residue on the stuff it drips on... the roof is hot tar so I suspect it's something coming off the tar and/or the wood. I'd try what gamble suggested, rag and acetone. If that doesn't clean it up quick and easy... I'd take it back for exchange. I've tried cleaning with sandpaper and scotchbrite... with varied results... you'll want to wipe down with acetone to remove any residual after sanding for sure. It may not be worth the effort... unless the rod was free.