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Hello. I need some advice on removing adhesive residue from Lexan. There was a time that I used Glue Off only to get a foggy mess that would not go away. Any thoughts on best solution? Your time is much appreciated. -SE
-------------------- Sarah F. Evans Appalachian Signs and Design 186 Parkside Road Boone, North Carolina 28607 Posts: 97 | From: Boone, NC | Registered: Dec 2006
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-------------------- Leaper of Tall buildings.. If you find my posts divisive or otherwise snarky please ignore them. If you do not know how then PM me about it and I will demonstrate. Posts: 5274 | From: Im a nowhere man | Registered: Jul 2001
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There's a special chemical for lexan, I believe it's T 2003, Ask your plastics supplier, you can ruin Lexan very easily with the wrong product. And please double check my advice, I'm home now and don't have the product in front of me.
-------------------- "Keep Positive"
SIGNS1st. Neil Butler Paradise, NF Posts: 6277 | From: St. John's NF Canada | Registered: Mar 1999
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Neil, You're thinking of T4000 Remover for Polycarbonate, by Akzo (GripFlex). It's mostly an alcohol mix, I believe, with a small amount of tolulol added, presumably to make it a little hotter. Tolulol is one of the lacquer thinners.
Straight lacquer thinner will, of course, attack the plastic. Rapid Remover would be worth a test.
Sarah: Once I had some glue residue on the second surface of polycarbonate, from vinyl lettering, that I could not remove. After working on it for a while, I decided it was not glue residue after all, but a glue track. In other words, a mild etch from the adhesive. This also happens when you put masking tape on paint that has not cured enough. If what you have is an adhesive track you won't be able to remove it. On the job I had, I ignored the tracks and painted right over them, second surface, with GripFlex paints. They were barely noticeable after that and from the ground you couldn't see them at all.
Brad in Kansas City
-------------------- Brad Ferguson See More Signs 7931 Wornall Rd Kansas City, MO 64111 signbrad@yahoo.com 816-739-7316 Posts: 1230 | From: Kansas City, MO, USA | Registered: Nov 1998
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Customer has a piece of Lexan mounted to exterior wall with biz logos in vinyl. Fortunately when I discovered that Glue-Off did not work, I had only used it in a small spot (on a previous sign) that would be covered by vinyl. Funny I never once considered things may be different for Lexan than for glass.....imagine that. I really appreciate all of your feedback on this. Best, SE
-------------------- Sarah F. Evans Appalachian Signs and Design 186 Parkside Road Boone, North Carolina 28607 Posts: 97 | From: Boone, NC | Registered: Dec 2006
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Sara; Try naptha or rubber cement thinner, whitch is naptha. Use soft cotton cloths like an old "T" shirt with the seams cut off, as they will scratch soft plastic. Experiment on a scrap first.
Good Luck! Mark
-------------------- Mark Baty Mark 1 Studio 1980 SE Leeann Drive Waukee, IA 50263 Posts: 45 | From: Waukee, Iowa | Registered: Aug 2008
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