snichols Posted July 13, 2015 Report Share Posted July 13, 2015 My mom, bless her heart, set down a metal/plastic cup on my wife's project table and here are the results. The wood is cherry plywood sanded to 320. There are two or three coats of General Finishes Arm-R-Seal over one coat of shellac. I finished the table about three years ago. Here are my two questions: 1. Help! How do I get rid of the ring? 2. What is a durable finish for the future as I plan to build a dinning room table from solid walnut and it'll have to endure much worse than this. Thanks in advance for the help. -Shawn Quote Link to comment Share on other sites More sharing options...
CessnaPilotBarry Posted July 13, 2015 Report Share Posted July 13, 2015 Behlen makes a ring remover, but lots of folks have great results with mayonaise. I'm surprised the Arm-R-Seal got affected as much as it did. How long was the glass there? Quote Link to comment Share on other sites More sharing options...
snichols Posted July 13, 2015 Author Report Share Posted July 13, 2015 When you say mayonnaise, what do you mean? Simply apply some and then wipe it off after a few minutes or hours? The glass was only there for a day or two. Unfortunately, it seems as though it had a seal leak. It was one of those insulated coffee cups. It was brand new and just went through the dishwasher once; it never even had a drink in it. When I lifted it up a little bit of water came out of the bottom. I'll look into the Behlen as remover as well. Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted July 13, 2015 Report Share Posted July 13, 2015 I think the "day or two" is the key point here. I doubt anything short of a poured epoxy finish will be unaffected by water contact that lasts a day or more. Along with your new table, make some coasters.... Quote Link to comment Share on other sites More sharing options...
Trip Posted July 13, 2015 Report Share Posted July 13, 2015 Fixing the ring depends on the cause and the material – moisture is a good bet. You mention coffee and a potential leaky cup, so heat could be another... Or a combo of the two... Some of these ring-removers work, depending on the finish – but cured poly is kind of sketchy. One complication is ply – depending on whose ply and the adhesive used you could be seeing telegraphing adhesive... You need a bit more data – is the ring in the poly, in the shellac, in the ply, etc. On a going-forward basis, look at KCMA-compliant coating systems – mostly post-cat lacquer, conv-varn, etc. You’ll need spray gear... Quote Link to comment Share on other sites More sharing options...
CessnaPilotBarry Posted July 13, 2015 Report Share Posted July 13, 2015 When you say mayonnaise, what do you mean? Simply apply some and then wipe it off after a few minutes or hours? Wipe some on, wait 30-60 minutes, check... If it's exactly the same, try something else. If it's better, reapply and wait longer. Quote Link to comment Share on other sites More sharing options...
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