pirozzi Posted January 20, 2014 #1 Posted January 20, 2014 Does anybody know how to undo good PVA glue? I glued something made of plywood that needs to be undone. The glue has set for about 3 days. Vince P. Quote
augie Posted January 20, 2014 #2 Posted January 20, 2014 Isopropyl alcohol usually does the trick on PVA. The normal version is 70% but WalMart usually sells a 91% which I find best. Be patient! mischief and Q A's Revenge 2 Quote Augie Current Build: US Frigate Confederacy - MS 1:64 Previous Builds : US Brig Syren (MS) - 2013 (see Completed Ship Gallery) Greek Tug Ulises (OcCre) - 2009 (see Completed Ship Gallery) Victory Cross Section (Corel) - 1988 Essex (MS) 1/8"- 1976 Cutty Sark (Revell 1:96) - 1956
pirozzi Posted January 20, 2014 Author #3 Posted January 20, 2014 Isopropyl alcohol usually does the trick on PVA. The normal version is 70% but WalMart usually sells a 91% which I find best. Be patient! Thanks Augie, I will try it. Vince P. Quote
moflea Posted January 21, 2014 #4 Posted January 21, 2014 Hello, PVA (if not water resistant) can be soaked in water and it will break, but can also damage the plywood. I had some very good results just keeping it under my wife's hair dryer. After all, PVA is just plastic, it will melt in the heat. (that worked for my wrong glued bulkheads). Augie's advice might work even better, as a "last solution" Quote Alex. Current build: Constructo's Union, 1:100 Brigantine
pirozzi Posted January 21, 2014 Author #5 Posted January 21, 2014 Hi Moflea, Thanks for the tip. It worked using the hair dryer. My wife also suggested that. Vince Quote
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