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ANTIQUE FURNITURE RESTORATION DISCUSSION BOARD
Posted By: James Schooley <furnitureissues@earthlink.net> (0-2pool241-189.nas2.sioux-city1.ia.us.da.qwest.net)
In Response To: remove tungoil finish and restain?? (Charolette Rivera)
Date: 8/14/5 12:19
Pure tung oil can be very hard to remove, the manufacturers I have talked with say it is a permanent finish, the penetration makes it such. Check the can or the MSDS data base (google) to determine if you have true tung oil. Many tung oil products today are mainly boiled linseed oil and drying agents. If you have the replica tung oil you can remove some of it with acetone or lacquer thinner. The other method would be to take off the top of the oil on the surface with 0000 steel wool and put on a sanding sealer, or shellac, then a tinted lacquer toner and a lacquer top coat. I am repairing these oil finishes in this way and use a glaze between coats of lacquer sealer and then a lacquer finish. The idea is that with glaze you have more opportunities to fiddle with the color, remove, add one shade or another, grain, etc. and then set the final results with the next coat of lacquer. Also you aren't limited to one coat of glaze, which can give you a lot of subtle color options. The simplest solution is to use the steel wool and lacquer thinner and then try a Danish Oil stain to adjust the color. Then if this is successful you can put on the tung oil again or finish as you see fit.
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