It went on water clear and remains today with no amber cast. Ground up dirt if you will. I put "acrylics" in quote because "acrylic" means different things to different people. Having said that here comes the caveat. But it does adhere well. Enamel thinner is mostly naphtha AKA mineral spirits or paint thinner. Acrylic Plexiglass and Soft Maple - Bent Lamination Glue Up, Complete Illustrated Guide to Woodworking USB, Editor's letter: Finding sanctuary in the shop, From the Editor: Publishing during a pandemic, Save 56% off the magazine newsstand price. Clark Kellogg shows you how to make your own metal hardware using many of the tools you already own, plus a handful of others. This time, I'm doing a pretty detailed paint job over the shells and would like to put a protective clear coat over it. Depending on the mix and the lacquer, enamals it can be used over lacquer. The pigments that PeteJ mention come in two categorizes: Inorganic and Organic. Acrylic paints are commonly referred to as "water"based but the reality is that the primary solvent is alcohol. I am about to make and paint a very large schrank (German style cabinet which serves as a closet). I used a Minwax Polycrylic on a white acrylic painted surface a couple of years ago. And you can also pre-shade with water-based acrylics if using them for your base colors. Generally the only thing you can shoot over lacquer is more lacquer. I would appreciate any practical advice about what to do. Learned this the hard way. There are certainly reports in the conservation literature of shellac coating layers over layers of almost solid wax. The pigment, metallic, and UV substances were just in suspension and sometimes solution in the original paint, with no chemical bonds between the substances in the original mixture that you see in enamels. Use a simple shopmade jig to create cabinets that stand the test of time. The rattlecan finish was easy and cheap, but I would like something tuff. First determine if the paint has been clear coated in any way already. Subscribe today, now up to 64% off newsstand. Use a viscosity cup to measure . It is made worse because if they shrink at different rates, they also expand at different rates. You can use Tamiya primer for just about anything without fear. Shellac is the standard barrier coat between silicone contaminated surfaces and final top coats. I would rather not use shellac as the final coat, but rather something more durable. You should contact the manufacturer of your acrylic paints. (Don't let marine silicone spray get on interior brightwork around the engine box. Naphtha over lacquer but not alcohol and lacquer on the bottom. The reason for this is that lacquer paint will literally melt into the layer below it, softening that paint and if it’s acrylic or enamel will also cause it to react chemically in a way that certainly won’t be conducive to achieving a professional paint finish. Of course there are some waterborne acrylics that have had some amber dye added to provide some grain highlighting. And for good reason, it is easy to use, you can get acrylic paint pretty much everywhere, most acrylic paint is non-toxic, and it is quite cheap too. Not sure if you meant that Steve. Another benefit to using acrylic lacquer paint on your vehicle is that it lasts a long time. I've found regular latex gives a much more natural result. I have used both over Delta acrylic paints successfully, but the Delta varnish only comes in tiny jars. Because you're thinning the poly to wipe on you shouldn't have too much concern about runs. Enter now for your chance to win more than $2,000 worth of woodworking equipment from Woodpeckers. What is the truth about using modern varnishes or lacquers or even shellac over acrylic craft paints??? I do like to use polys in some cases because of the warming effect they can impart. There are water-based "acrylics" (which are technically enamels), and there are "acrylic lacquers." That’s when I clean the surface of my paintings, and then wait at least 24 hours for the painting… If the solvent doesn't have time to attack the layer beneath, then no issue. I would be sure and let it cure. With the proper preparation, you can make an old piece look new again. The binder is the solid glue and the solvent dissolves it to make it liquid. Lacquer can cause the paint to bubble or crack due to the very hot solvent that is a part of lacquer. Some of these were first discovered by German Chemists in the late 1800's. The inorganic pigments are, as PeteJ says, natural minerals. I would also add that a clear waterborne acrylic should work just fine. No adhesion or yellowing. Mostly though, I've seen this in waterborne floor finishes. Alcohol based over all. When you get two paints that shrink at different rates then you get the wrinkling. Guess you know that the decorations all meant something. Shellac, in a light colored form, super blonde, will have little impact on color, and will not darken significantly over time. All homemade, of course. "You can apply Glosscote/Dullcote over any Testors, Model Master or Aztek acrylic, enamel or lacquer as they are specially formulated to go over them with no problems. The solvent that causes problems is lacquer thinner, which is included in nitrocellulose lacquer, CAB-acrylic lacquer and catalyzed lacquer. If you paint … This occurs as a result of paint shrinkage as it cures. If you are talking about spraying lacquer over the polyurethane and the poly is well aged, you might be able to get away with it by spraying light well-thinned coats of the lacquer. The safest thing to do is to use dewaxed shellac over the poly and then you can go to … Layering Lacquer, Enamel, and Acrylic Paints. (Acrylic paint dries pretty quickly, but although it may feel dry to the touch, the paint will still be adjusting its inter-molecular structure for several days. By I used the alcohol to clean and moisten the paint brushes and it did a number on the paint! Ideas on how to frame acrylic sheet (for transparent room barrier), HELP! Make sure you paint fat over lean as a golden rule several thin coats first . High end thinners are also more prone to attacking plastic. The JW varnish comes in pints, quarts and gallons, so I am all set. The best automotive lacquer thinners have more of the expensive solvents and less acetone in them. Contacting the manufacturer of the paints is going to be best, or seek out fellow artists for their ideas. But most newcomers to the world of arts and crafts don´t know how … What Materials Can You Use Acrylic Paint on – A Full List Read More » It isn't unusual to clear-coat an acrylic paint finish on a metal surface, such as on an automobile, with CAB-acrylic or acrylic lacquer. Examples are: Phthalo Blue, Phthalo Green, Napthol Red. This is when you get the wrinkling and the paint bubbles up. Can not add anything to it this forum! body of the expensive solvents and proportions are what various! Before a wet one, or even shellac over acrylic and never lacquer over anything the risk of or... Acrylic craft paint like you can also pre-shade with water-based acrylics if using them for your.... Glycols that you know are automotive antifreeze ( ethylene glycol ) generally the only thing you use. Shell over the top of your acrylic paint for and extra fee ’ t to! 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