If old coating is oil-based, scrape all existing paint to bare surface. Apply first coat. Clear Semi-Gloss Water-Based Polyurethane for Floors If woodworkers prefer solvent-based lacquer for a variety of reasons, things are slightly different with polyurethane. There are two basic types of polyurethane finishes, oil-based or water. CrystaLac finishes can be used in place of nitrocellulose lacquer, polyurethane, or varnishes and can be applied to wood, metal, or ceramic products. Thanks for this. In my opinion, this is the largest benefit of water based polyurethane. Then you can go with something like 600 or 800 paper, also wet. Renner™ Water-Based Stain is the #1 choice among industry experts when it comes to high-quality, long-lasting, water-based stain products for residential and commercial purposes. Sayerlack 2K Water Based Pu Lacquer. But the addition of water means that the polyurethane dries quicker which means less time from application to finished product. Shellac Vs. Polyurethane Vs. Varnish Vs. Lacquer. Varnish 100ml Water-Based Clear Gloss Acrylic Lacquer With Brush Art & Craft Diy. It takes more coats of water based poly to reach the same level of toughness compared to the solvent based. Catalyzed lacquer is very hard and durable. As the tech that constantly suggests product for weekend warriors to use on their projects, it’s difficult enough to explain to a professional finisher what a water based lacquer is and isnt. There is another sub-category of polyurethane; it is a water-based oil-modified finish that looks cloudy in the can but dries tough – a while creating a solid amber-color film … There are two kinds of polyurethane: oil-based and water-based. 3. Lacquer is extremely resistant to staining, including water rings. Water-Based Finishes. Moreover, you don’t have solvents you can add to speed the drying as you do with lacquer. Free postage. 4. Yes! It's a solvent that's acetone based. Since it dries fast, several coats may be applied. Not quite as fast as solvent based lacquer. While water-based lacquer's fumes are considerably less hazardous, and it does not have the combustibility issues of solvent based lacquers, the product still dries fairly quickly. Polyurethane is essentially a liquid plastic and it can be either water based or oil based. Try explaining to the customer that bought a $59 sprayer and … Calling a water-based a lacquer or polyurethane is more a marketing ply than it is an aid to classifying the finish. Pentart Matte Varnish, Water Based, finish for decoupage craft 100 ml. Test the furniture to determine what type of lacquer finish was used—ordinary lacquer or catalyzed lacquer. Imperia Water based Polyurethane is imported from Sherwin Williams, Italy. Each water-based product is its own animal. By combining a stain with polyurethane, the need for multiple product application is eliminated and wood surfaces are enriched with a deep, rich beautiful color and protected by long lasting polyurethane. Cost: Cost is the significant difference between these two based and o amazing formulas. 21 watching. But to merchandise the product to those that are familiar with "lacquer", they call it "waterbase lacquer", which is in reality a waterbase polyurethane. Water-based polyurethane is, on the other hand, thinner but harder. Oil-based varnish tops the durability charts in terms of water-resistance. However, oil based varnish or poly varnish can safely go over lacquer with few problems. Water-based finishing products consist of particles of polyurethane or acrylic resin dissolved in a low-VOC solvent, such as glycol ether, which is then suspended in water. Be sure to allow adequate dry time. If it sands clean, keep on going to get the texture flat. It will add resistance to spills, and a bit of resistance to scratching. Though there are real experts here (not me!) EM7000HBL Water Based Acrylic Lacquer is an ultra clear, non-yellowing water based acrylic lacquer that utilizes advanced copolymer resins and HAPs-Free solvent technologies to provide a unique, self-leveling clear coat designed for custom and commercial applications. Because of its innate consistency, thinning water-based polyurethane is not usually necessary. They dry rapidly to form a crystal clear, hard, durable finish. Description: •Water Based lacquer in a range of gloss levels for application by spray or curtain coater to furniture and fittings. It is highly recommended that lacquer be applied by spraying. Woodworkers usually work with polyurethane varnish available in both oil-based and water-based varieties. Oil-based polyurethane is a practical choice for homeowners with hardwood floors because of its durability and aesthetic appeal. You can tell if a water-based finish is dry if it forms a powder when lightly sanded with a fine-grade (220-320) foam sanding pad or 400-grit sandpaper.If in doubt, wait longer. Water based finishes have water as a thinner, and they dry fast also. •Non yellowing formula for … If the water-based poly never really cured, putting oil over it seems like trouble to me. This innovative, oil-based formula provides deep, rich color and polyurethane finish in one easy step. Like lacquer, polyurethane is a finish that you can use for wooden furniture. The solvents in lacquer can react with an oil based finish that has not completely cured. FINISH APPLICATION: Shake Hudson® Timber Coat Polyurethane Water-based Wood Coating for 15 to 20 seconds and let sit for 5 to 10 minutes. "Completely" should be taken to mean a couple of months. Oil-based polyurethane is cheaper than water-based by a good margin. You can also choose the polyurethane finish you like, from satin to glossy. Polyurethane. 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