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Old 05-28-2018, 09:31 PM   #11
Lost amongst the CORN
sevt_chevelle's Avatar
Join Date: Nov 2002
Location: Northern Iowa
Posts: 1,072
Re: Applying weld-thru primer

You can get epoxy in spray bombs but its expensive and has around a 24 hr life once used.

By far the best thing to do after welding is to flood the weld joint with epoxy.

Also despite its name weld thru really is not exactly weld thru able. Once you have the panels clamped up in place ready to weld, I take a flat drill bit or small carbide bit and remove the weld thru where the weld will be.
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