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ANTIQUE FURNITURE RESTORATION DISCUSSION BOARD
Posted By: Greg Scholl <beatkat@adelphia.net> (ct-waterbury1b-56.wtrbct.adelphia.net)
In Response To: Re: Re-finishing a Chest of Drawers (Roger DeMuth)
Date: 3/4/5 00:15
Hi Tony...I tend to think it's probably not you...I have run into several finishes that won't strip easily or at all...examples of modern finishes are catalyzed varnishes (Duravar,etc), Polyesters (used extensively by instrument manufacturers, and now most piano manufacturers) , and epoxies. I have a little different technique than Rogers, in that when dealing with this type of tenacious finish, I look for the nastiest most toxic Methylene Chloride based stripper I can find..(Rock Miracle comes to mind..) and lay on a thick coat of it in one direction only,in a test area of about 4-6" square, about 1/8-1/4" thick..then cover with heavy plastic and leave it alone..for sometimes up to 12-14 hours. If after that period the finish is unfazed, you're dealing with polyester. Even epoxies usually react to this type of stripping...There are also Acid based strippers used in the aircraft industry that will strip this stuff...but I wouldn't deal with this stuff personally....it's very dangerous. But if as you say..you see dull spots, and the finish is apparently being dissolved..then I believe you can probably get this stuff off with diligence and a lot of scraping and steel wool....but as always let the stripper do the bulk of the work...just remember to protect your health...Methylene Chloride based strippers are very toxic and inhibit your blood from carrying oxygen, and if exposed to any open flame or heat source they can produce Phosgene gas which is no joke.......best of luck- Greg
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