Zinsser Shellac is the natural product with wax. Zinsser SealCoat is the de-waxed product and states it on the face of the label: "100% Wax-Free Formula". Contributes to an ultra-smooth final finish. It is perfectly usable as a standalone shellac finish. Please Read: Denatured Alcohols & Shellac Solvents- All Denatured Alcohols are NOT the Same Less alcohol required. Now, don't get me started on the date code! Formulated using a patented process, SealCoat is guaranteed to … This high-building solution seals the wood to create a surface that can be easily sanded. For the last couple years Zinsser has been adding a little acid to the shellac and seal coat to extend the shelf life. Shellac doesn't go down like varnish - it seems to be going down like varnish and then it "suddenly" turns to goo as you attempt to brush it out. Save time when finishing porous woods by starting with Rust-Oleum® Zinsser® Bulls Eye® Sealcoat Universal Sanding Sealer. This de-waxed shellac solution eliminates the toughest odors—food, pet urine, cigarette smoke and more—and won’t yellow with age. Andy Rae: The quickest way I know is to buy dewaxed shellac flakes or, even faster, buy dewaxed shellac, sold in the form of Zinsser® SealCoat. The Zinsser cans I've seen (and just checked online) are pretty clear about what's in them. Bullseye shellac does contain wax. While wood conditioner helps in that situation, it is often not adequate. To permanently block odors without changing a surface’s appearance, choose Rust-Oleum® Zinsser® CLEAR B-I-N® Sealer. Even though you only get 2/3 as much actual shellac, it is often more expensive. Any shellac can be used as a sanding sealer as well as a standalone finish. My local borg finally got a 'fresh' shipment of SealCoat. Zinsser Seal Coat is a dewaxed shellac product. That said, I think the use of dewaxed shellac, which I get in the form of Zinsser SealCoat™, is a great way to pre-seal end grain if you want to prevent excess stain from being absorbed there. Shellac is 'waxed' in many varieties. This type of shellac must be mixed, stirred or shaken to homogenize the wax, shellac and carrier (alcohol). I mix my own shellac from flakes and find it takes forever to settle out the wax with gravity. Rust-Oleum Zinsser 854 1-Quart Bulls Eye Sealcoat Universal Sanding Sealer From the Manufacturer. Zinsser Clear Shellac is a 'waxed' shellac product. Shellac forms a hard (brittle) film and when applied over a softer (more flexible) finish like most WB finishes or oil-base finishes, it is prone to cracking. 2) It can also be used as a wood conditioner when you are staining woods prone to blotching -- … When settled, the wax appears as a milky layer at the bottom of the container. Luckily, it's easy to repair. Their "Sealcoat" and the aerosol (spray can) shellacs do not contain wax. This is normal. Use a Dewaxed Shellac when the top-coat, for extra water & alcohol resistance, will be a varnish, lacquer or urethane. However, the acid interferes with water base finishes. Zinsser seal coat is a 2 pound cut of blonde dewaxed shellac. Mike, the Zinsser SealCoat is a 2# cut blond dewaxed shellac pure and simple. They chose to call it a sanding sealer to take advantage of its use for that purpose. SealCoat Universal Sanding Sealer is a solution of 100-Percent wax-free shellac in denatured alcohol. Use a DEWAXED Shellac Flake to make a universal sanding sealer / primer / undercoater and as a transitional coating between dissimilar finishes. Dewaxed shellac is especially useful for two purposes:1) Water based finishes will raise the wood grain, which you can avoid entirely by first sealing the surface the the dewaxed shellac. The container is a 2 pound cut of blonde dewaxed shellac pure simple! 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