I am reading and rereading the article Wipe-on oil Finishes in the FWW “Finishing and Refinishing Furniture” magazine. Okay, so using the Minwax wipe-on poly seems to make sense – seemingly a no brainer (why not learn from an experienced finisher). However, in the artcle, Chris Minick says “I wet-sanded it with a gray scotch-brite pad…”. I am wondering how much water to use. I didn’t catch the wet-sand bit until a reread this article. I guess this took me aback. This is my first time with a wipe-on product. I have been using the Minwax Fast-drying Polyurethane for years and wanted to explore other finishing techniques. I know I am not traveling very far, but right now I am comparing Linseed oil and this wipe-on poly. So far I like the wipe-on poly very much. I used a 220 between coats and after the final coat I would use a 320 with pretty good results. However, I am interested in stepping up my technique and am interested in other readers opinions, especially concerning wet-sanding. Thanks and happy holidays. Jim
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Replies
Linseed oil and the wipe on poly are entirely different kinds of products. The wipe on poly is varnish. The more coats you apply the more it will build a film, just like brush on varnish. I don't know how how you could call that an oil finish product, except of course if you don't put on much you won't build much film. Basically, you pay a lot for Minwax to add paint thinner. Varnish is more protective than oil, though protection does depend on the thickness of the film. If you only put on three wipe on coats that is about equivalent to one brushed on coat.
Boiled linseed oil should never be allowed to build a film on the surface since that film will be soft and likely even gummy. It offers only the barest protection compared to nothing.
Jim,
"wet sanding" does not necessarily mean to use water, although it's my choice. Wet sanding means to use a lubricant. One or two drops of dishwashing detergent in a quart of water is a good lubricant. Use as much of the solution as needed to keep the surface wet and the abrasive/finish particles in a slurry.
Or use mineral spirits (low odor type) or naphtha.
Abrading with a lubricant usually results in a higher sheen than the satin look produced by the abrasive alone.
Rich
Another thing you can use for wet sanding is baby oil, makes your hands soft to :) use it with the scotch brite sanding pads.
Troy
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