I also doubt it would be wise to mix Kirker Lazer Dry with S&W DIMENSION AE since that is what he stated to have bought in the first post and he also stated to have the product sheets. Frequently asked questions about urethane primers Automotive undercoats, primers, sealer and body shop supplies available to order online. #7 The intent is you spray a coat on, sand it down, spray a coat on, sand it down. If it doesn't work, your budget just doubled, and your hours just tripled since you now need to strip it again to start all over. These sprayers should have at least a 60 gallon compressed air tank in order to maintain high velocity air at regulated pressure. Sprayed it. This primer offers excellent adhesion to bare metal and provides a proper foundation for your paint job. Arcylic and enamels don't. It's a different material and will very likely peel in a few years or less. I've been busy building stuff and testing out new paints. Thinned it with about 30 percent water to get through a number 5 tip Graco4900 HVLP. Urethane properly reduced is similar to enamel, but the high solids clear can be more viscous and need a different tip in the spray gun. this makes the harder outer shell more prone to chip , lift , delaminate and so on . If I apply urethane paint over the enamel, ... spar urethane can be used over a water sealer. Enamels have solvents that need to outgas during the curing process which can take a couple of days to a week depending on the thickness of the paint to completely cure. This is especially true with enamel and urethane paints used over a lacquer-based paint or primer, since they are totally incompatible. Apart from this, urethane paint dries off quickly; it's resistant to chipping and doesn't fade easily. Be sure to follow me on Instagram https://www.instagram.com/caraddictgarage/ for quick updates. Looked perfect. Can Enamels be used over lacquers? The only issue was Gloss became SG with this much thinning. the none catalzed product moves (expands and contracts ) at a deferent rate than a catalzed product . as a BASF rep the answer is yes and no . No sags. You didn't say if the urethane is clear. With a proper primer, urethane paint can last for years. Some are a few hours; others allow several days. It can’t be an epoxy primer, but it can be a urethane primer. Over the last year I have torn down my 69 RS and sanded the paint down to the metal. Yeah, I can get a mirror finish without the clearcoat - that is not the problem. The most common primers are latex and oil, available for interior and exterior use. but the best way is to remove the lacquer primer . In fact I shot it over the old paint and rattle can primer spots without issue. ... As a top coat, an enamel can be sprayed over anything but if you are using enamel as a base coat, you can only use enamel as its top coat. All-purpose primers are acceptable for most applications. It can even protect your furniture from ultraviolet rays, which is why it is commonly used in automobiles.Some urethane paints actually contain polyurethane, but the two are still very different. The pen is there so the camera could focus on something. The trick to spraying urethane clear over artwork is to spray the first coat lightly, the second coat light to medium. It can be painted over enamel and is also very durable. Can you spray over lacquer? If acrylics, which can dry in an hour or less, are applied over uncured enamels they can seal in the solvents of the enamel. Betty Taylor March 2, 2009 10:53 am Can I use spar urethane on my new wood floors? Lacquers have a tendency to lift enamel surfaces. Lacquer paints dry to a hard shell, leaving a very thin paint film. If you're planning to use a rattle can, check automotive touch-up spray cans (dupli-color, etc) as these are urethane. Will have to experiment with it to see if I can retain full gloss. Step 4. Use urethane paint, it forms a chemical bond with epoxy. Painting over polyurethane requires patience, time, and effort. 7 months of sitting in the sun, rain and dirt, looks like the day I … Even if you don't use any other primer and are applying new paint over existing paint, it's important that you use a sealing primer to separate the two coatings. Acrylic enamel is the more traditional option that was used on older cars. Can urethane be sprayed over enamel? The other way around (2k urethane paint over lacquer primer) is not recommended. SprayMax now offers a 2 part (2K) Urethane Aerosol Clear Coat. It’s at least almost always worth a try. Also, if the first coats are sprayed too heavily, the urethane can invade the artwork and possibly blur any crisp, clean edges. Reply. if you do so with a metallic color you will sand off some of the metallics . So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. We have compiled the most frequently asked questions about automotive undercoats. Urethane and acrylic enamel paints are most commonly used for auto body finishes. You’ll have to prime, sand and use oil-based paint in order for your paint to stick to the finish of your wooden furniture. Many brands and types of marine paints are available which are suitable for roller or brush application by the amateur. Yes. No, you don't want lacquer over urethane. is there a jell coat on your fiberglass bumper? I believe that Urethane paints are not allowed to be sprayed without a license in California. Can Lacquers be used over enamels? 2k primer should go over lacquer primer with NO problems. 611 Posts #7 • Mar 14, 2011. jIM i WOULDN,T THE OLD RULE OF THUMB YOU CAN PUT ENAMEL OVER LAQUER BUT YOU CANT PUT LAQUER OVER ENAMEL. my guess is that someone has put enamel primer on there, could have been from a spray can we or the o/p has no idea. I haven't posted in a very long time. The 1:1 mix ratio makes it easy to mix (one part primer to one part catalyst). Barring some weird chemistry, the only problem I would see is: Is the water-based enamel so slick the oil-based paint won’t stick? I wouldn't trust going over Rustoelum. It's important to wait for the latex paint to fully cure before you coat it with polyurethane, or the latex undercoat may not harden fully. Can you paint urethane over enamel primer? Although urethane does offer the best finish, is industry standard, easier to apply, dries quicker and provides better coverage, it is more labour intensive than acrylic enamel. The solvent used to thin enamel is called reducer, as it reduces the viscosity. Linear polyurethane (LP) systems can usually be applied directly over epoxy coated surfaces without primers, but they are costly and frequently have much more critical application parameters. After a series of experiments I discovered the 'enamel problem' happened when applied to epoxies containing nonyl phenol (most epoxies do - our Premium No Blush epoxy does not). With acrylic enamel paint there are additional steps that need to be made in terms of adding a base coat and clear coat. It is usually not waterproof, so it is not a good topcoat. you can clear coat over acrylic enamel but no not for 24 hours and then and only then if you wet sand it 1st with a untra fine sand paper . It all began this morning after getting a nice mirror finish on a panel last night. Although latex paint dries to the touch in a few hours, it can take up to 30 days to cure, depending on the color and thickness of the coating and the ambient temperature and humidity. can spar urethane be sprayed over with lacquer with out a problem,also i am thinking toning a door then going over it with spar urethane will that work with outh a problem. Enamel primer is the same as urethane primer, but is meant to go under enamal topcoats. If it's not, shoot it with another coat of clear urethane. Sprayed some gloss Emerald just for kicks on some old polyurethaned MDF shelves primed with BIN and man it came out good. SprayMax, 2 Part (2K) Urethane Aerosol Clear Coat. Please keep in mind that we are comparing the products that are 2-part in rattle cans although it is not mentioned anywhere. Always on the search for a great cabinet paint that can be sprayed and brushed. Types. With Eastwood’s Single-Stage Urethane system, apply Eastwood Epoxy Primer over bare metal. That means it is sprayed over the top of epoxy primer and can be sanded down. This way it hides imperfections. High quality acrylic urethane paints should be sprayed with high volume, high pressure compressed air driven sprayers. Pros of Using Urethane Car Paint Urethane paint can be sprayed over most paints, including lacquer. I doubt it would be wise to use urethane hardener components from one brand manufacturer to the next manufacturer ie: 2k urethane primer hardener to mix with urethane clear coat from another brand. They are urethane, enamel, and epoxy. Except for smell, alkyd and acrylic enamels sprayed the same to me. He says no problem. This 2k urethane Clear Coat spray has a much higher U.V. If you're going to airbrush, go to an paint supplier for auto body shops and they'll mix up some urethane. then, apply a medium to heavy coat, and finally a heavy coat. Urethane is also better than enamel paint, since it provides a good finish and doesn't run lines. This is a test of Sherwin Williams Emerald Urethane paint. A polyurethane finish prevents other materials from adhering to its surface. Finish was defect free but client didn't like. First time I used it was over All Surface Enamel on a door (w/2 coats Bin). Cheers, JC Dupli-Color® enamels can be sprayed over lacquer substrates, or any other painted surface that has been sanded smooth and clean of dirt, grease, and dust. I got some Emerald Urethane and asked rep if I could spray directly over ASE. In the meantime, it’s important to talk to your paint dealer about the time window allowed between the primer and paint topcoat. The enamel dried fine over the spar varnish but not over the epoxy were it stayed tacky for days and days, until I dragged the boat out into the hot summer sun for several days. It's common to do custom paint in lacquer and coat with urethane, just not the other way around. when ever you apply a catalyzed product over a none catalyzed product such as lacquer and none catalyzed enamels . Self-etching primers have to have another primer over the top of them or the paint won’t adhere. I am not an authority on paint and I would never claim to be, but I shot a 2 part Urethane clear coat over Rustoleum enamel on the roof of my 49 without issue. As I completed a section I would spray a light coat of self etch primer on the bare metal to protect it. Then about 300 little pimples presented on each face of door. Can I spray urethane clear over acrylic enamel? I let it sit in the garage (like usual) but laid a towel over it to protect the finish from bugs, dust, etc. SO YES it can be doen . Auto manufacturers and painters have switched over to urethane paint, however, as it provides numerous practical advantages over acrylic enamel for most auto body work. Latex primer is ideal for drywall, brick, concrete and previously painted metal and wood. You can generally paint any oil based paint over any water based paint. on your test with the lacquer and acetone they will remove some color off of enamel primers so that's not a good test. and weather resistance than any standard aerosol clearcoat on the market today. Live Q&A - Can Enamel Paint be applied over lacquer paint? First coat lightly, the second coat light to medium primer and can be painted over enamel and paints. 'Ll mix up some urethane paint or primer, since it provides a proper foundation your. Nice mirror finish without the clearcoat - that is not the problem than a catalzed product moves expands. Polyurethane requires patience, time, and effort be used over a lacquer-based paint or primer, it! The lacquer paints can not be sprayed over most paints, including lacquer self etch primer the. 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On Instagram https: can urethane be sprayed over enamel for quick updates license in California means is...
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