Waxed shellac is just natural shellac; the wax is already part of it. When I go directly with shellac over the stain I'm getting some uneven coloring so I thought it would be good to seal first, then shellac. Helpful. I know wax is a problem with adhesion for polyurethane, but I have never heard of the wax in shellac being a problem for any other solvent finishes. Welcome! Report abuse . If you want just a shellac finish only then it will be fine - but if you want to apply WB or solvent base coatings over it - no! * Both dewaxed, and waxy shellac can be used in French polishing; the waxy shellacs lend themselves naturally to the process because the wax is a lubricant. This is unique among wood finishing materials. Their "Sealcoat" and the aerosol (spray can) shellacs do not contain wax. 99. Waxed vs. dewaxed shellac. Some coatings can't handle the natural wax in shellac. BarryO October 27, 2010 5:52 pm Wow Marc, I thought you had a technical/scientific background. As indicated in the technical data bulletin (see link below), they do not recommend applying oil-base polyurethane over it. Wax-free shellac works for any application because it bonds to nearly everything and nearly everything bonds to it. Wesley. Since it's a brittle finish, you want to avoid building it up too thickly. Larry Martin. You can't go wrong with this product. 4.7 out of 5 stars 106. When French Polishing with dewaxed shellac, use mineral oil as a lubricant. Reply. $30.99 $ 30. › Forums › General Woodworking Discussions › Finishing › Finishing with Wax over Shellac. FREE Shipping by Amazon. All will react differently with shellac (waxed or dewaxed). This topic has 12 replies, 7 voices, and was last updated 4 years, 7 months ago by lowpolyjoe. De-Waxed Blonde Shellac Flakes 1 lb. Hi, I have used a batch of amber shellac on several projects, mostly for french polishing. The problem I seem to be running into is that everything we made over the winter was put out this spring and, within months, the edges of the painted and varnished boards are peeling and splitting. More importantly, dewaxed shellac is a perfect sealer, tie coat and barrier coat both under and over any other finish. Best Seller in Household Bristle Paint Brushes. But, I'm thinking about trying non-dewaxed shellac for a project that will be finished with shellac only. As to application you will always get better results with spray than brushing, invest in a small spray outfit or rent one - good luck. ), lifting it into the finish or smearing it, you can seal it in place using a thin application of an oil-base varnish or a drying oil like linseed or tung. Any advice on thinning it so it doesn't dry so fast? Answer: Dewaxed shellac has the advantage of being able to be used under all top coats. To address that problem, Zinsser created SealCoat, a dewaxed shellac, meaning it has the wax removed. I’m talking deep, rich colours. If you are talking about the regular, Zinsser Bullseye shellac, it is a 3lb cut in the can, so diluting 50/50 with denatured alcohol will give a 1.5lb cut, which is good to spray. If the alcohol in the shellac is dissolving the stain (dye? Of course, that kind of crap would ruin any finish, but for the sake of just seeing if using waxed vs dewaxed matters under a coat of poly. Posts. 01-22-2015 05:12 PM . charles eddy October 25, 2010 6:57 pm Thanks Marc. (16oz.) Forum topic by ol104: posted 01-22-2015 05:12 PM: 6134 views: 0 times favorited: 14 replies: ol104. Verified Purchase. Can I use it over water based polyacrylic? Participant. The thinner you apply shellac, the less likely it will be to crack/craze as it ages. Shellac with wax in it is not, as it is incompatible under many waterbased and oil-based polyurethanes. 56 posts in 2985 days. This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. The trick is, the wax settles to the bottom, so pour off the shellac before mixing and thinning. Easy to repair vs… That’s why you see SealCoat advertised as a “Universal Sanding Sealer” on the can. For years I regarded shellac as "old school", but now I use it as an integral part of my finishing, and give myself a mental kick for not working though its (few) limitations sooner. But you can use regular (non-poly) varnish or solvent based lacquer over Bullseye shellac without any problem. 5.0 out of 5 stars I would recommend it to a friend. From contributor C: Zinnsers bullseye shellac is orange shellac that contains around 6 % wax - it is not intended to be used with WB or solvent base coatings. I have been using amber Bullseye under NC lacquer for years with no ill effects when refinishing older furniture with an NC finish. 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