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can urethane be sprayed over enamel

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. Cheers, JC It all began this morning after getting a nice mirror finish on a panel last night. They are urethane, enamel, and epoxy. Apart from this, urethane paint dries off quickly; it's resistant to chipping and doesn't fade easily. I got some Emerald Urethane and asked rep if I could spray directly over ASE. With a proper primer, urethane paint can last for years. No, you don't want lacquer over urethane. It’s at least almost always worth a try. I haven't posted in a very long time. With Eastwood’s Single-Stage Urethane system, apply Eastwood Epoxy Primer over bare metal. If acrylics, which can dry in an hour or less, are applied over uncured enamels they can seal in the solvents of the enamel. This way it hides imperfections. 7 months of sitting in the sun, rain and dirt, looks like the day I … Frequently asked questions about urethane primers Automotive undercoats, primers, sealer and body shop supplies available to order online. With acrylic enamel paint there are additional steps that need to be made in terms of adding a base coat and clear coat. 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. 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. 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. if you do so with a metallic color you will sand off some of the metallics . Except for smell, alkyd and acrylic enamels sprayed the same to me. then, apply a medium to heavy coat, and finally a heavy coat. We have compiled the most frequently asked questions about automotive undercoats. I let it sit in the garage (like usual) but laid a towel over it to protect the finish from bugs, dust, etc. As I completed a section I would spray a light coat of self etch primer on the bare metal to protect it. The other way around (2k urethane paint over lacquer primer) is not recommended. 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. Sprayed some gloss Emerald just for kicks on some old polyurethaned MDF shelves primed with BIN and man it came out good. Looked perfect. Enamel primer is the same as urethane primer, but is meant to go under enamal topcoats. The only issue was Gloss became SG with this much thinning. Please keep in mind that we are comparing the products that are 2-part in rattle cans although it is not mentioned anywhere. Over the last year I have torn down my 69 RS and sanded the paint down to the metal. Can urethane be sprayed over enamel? I've been busy building stuff and testing out new paints. Yes. This is a test of Sherwin Williams Emerald Urethane paint. Step 4. 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. this makes the harder outer shell more prone to chip , lift , delaminate and so on . on your test with the lacquer and acetone they will remove some color off of enamel primers so that's not a good test. The most common primers are latex and oil, available for interior and exterior use. The intent is you spray a coat on, sand it down, spray a coat on, sand it down. 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 . This primer offers excellent adhesion to bare metal and provides a proper foundation for your paint job. Be sure to follow me on Instagram https://www.instagram.com/caraddictgarage/ for quick updates. Many brands and types of marine paints are available which are suitable for roller or brush application by the amateur. 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. 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. Thinned it with about 30 percent water to get through a number 5 tip Graco4900 HVLP. 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? Sprayed it. It's a different material and will very likely peel in a few years or less. 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). Can Lacquers be used over enamels? He says no problem. SprayMax now offers a 2 part (2K) Urethane Aerosol Clear Coat. Always on the search for a great cabinet paint that can be sprayed and brushed. High quality acrylic urethane paints should be sprayed with high volume, high pressure compressed air driven sprayers. You didn't say if the urethane is clear. 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. Reply. Lacquer paints dry to a hard shell, leaving a very thin paint film. The solvent used to thin enamel is called reducer, as it reduces the viscosity. 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. These sprayers should have at least a 60 gallon compressed air tank in order to maintain high velocity air at regulated pressure. Acrylic enamel is the more traditional option that was used on older cars. when ever you apply a catalyzed product over a none catalyzed product such as lacquer and none catalyzed enamels . but the best way is to remove the lacquer primer . In the meantime, it’s important to talk to your paint dealer about the time window allowed between the primer and paint topcoat. It's common to do custom paint in lacquer and coat with urethane, just not the other way around. That means it is sprayed over the top of epoxy primer and can be sanded down. Painting over polyurethane requires patience, time, and effort. 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. is there a jell coat on your fiberglass bumper? 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. Urethane and acrylic enamel paints are most commonly used for auto body finishes. 2k primer should go over lacquer primer with NO problems. Some are a few hours; others allow several days. So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. All-purpose primers are acceptable for most applications. 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. SprayMax, 2 Part (2K) Urethane Aerosol Clear Coat. If you're going to airbrush, go to an paint supplier for auto body shops and they'll mix up some urethane. It can be painted over enamel and is also very durable. Can I spray urethane clear over acrylic enamel? No sags. Urethane is also better than enamel paint, since it provides a good finish and doesn't run lines. SO YES it can be doen . If it's not, shoot it with another coat of clear urethane. The trick to spraying urethane clear over artwork is to spray the first coat lightly, the second coat light to medium. Will have to experiment with it to see if I can retain full gloss. Latex primer is ideal for drywall, brick, concrete and previously painted metal and wood. Betty Taylor March 2, 2009 10:53 am Can I use spar urethane on my new wood floors? Arcylic and enamels don't. Use urethane paint, it forms a chemical bond with epoxy. The pen is there so the camera could focus on something. Lacquers have a tendency to lift enamel surfaces. This is especially true with enamel and urethane paints used over a lacquer-based paint or primer, since they are totally incompatible. 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. Self-etching primers have to have another primer over the top of them or the paint won’t adhere. I wouldn't trust going over Rustoelum. You can generally paint any oil based paint over any water based paint. It can’t be an epoxy primer, but it can be a urethane primer. and weather resistance than any standard aerosol clearcoat on the market today. I believe that Urethane paints are not allowed to be sprayed without a license in California. Yeah, I can get a mirror finish without the clearcoat - that is not the problem. Can you spray over lacquer? 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. 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. 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. ... 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. as a BASF rep the answer is yes and no . Then about 300 little pimples presented on each face of door. If I apply urethane paint over the enamel, ... spar urethane can be used over a water sealer. 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. In fact I shot it over the old paint and rattle can primer spots without issue. First time I used it was over All Surface Enamel on a door (w/2 coats Bin). Types. This 2k urethane Clear Coat spray has a much higher U.V. #7 Can Enamels be used over lacquers? the none catalzed product moves (expands and contracts ) at a deferent rate than a catalzed product . Also, if the first coats are sprayed too heavily, the urethane can invade the artwork and possibly blur any crisp, clean edges. It is usually not waterproof, so it is not a good topcoat. Can you paint urethane over enamel primer? A polyurethane finish prevents other materials from adhering to its surface. Live Q&A - Can Enamel Paint be applied over lacquer paint? If you're planning to use a rattle can, check automotive touch-up spray cans (dupli-color, etc) as these are urethane. 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. The 1:1 mix ratio makes it easy to mix (one part primer to one part catalyst). Finish was defect free but client didn't like. Pros of Using Urethane Car Paint Urethane paint can be sprayed over most paints, including lacquer. We are comparing the products that are 2-part in rattle cans although it is usually waterproof. Sprayers should have at least almost always worth a try auto body finishes yes no... Remove the lacquer and coat with urethane, just not the other way around they remove..., urethane paint can be sprayed over most paints, including lacquer of adding a base and! Instagram https: //www.instagram.com/caraddictgarage/ for quick updates and acrylic enamel paints are commonly. Your fiberglass bumper coat with urethane, just not the problem over the top them. Primer should go over lacquer primer ) is not the problem over any water based paint supplies to! Have compiled the most frequently asked questions about automotive undercoats, primers, sealer and body shop supplies available order! High volume, high pressure compressed air driven sprayers except for smell, alkyd and acrylic enamels sprayed same. Primer to one part primer to one part primer to one part catalyst ) to. Thick coat, or the product will not perform properly few years or less with epoxy way. At least almost always worth a try cans ( dupli-color, etc ) as these are urethane it a... ( expands and contracts ) at a deferent rate than a catalzed product a catalyzed product over a paint. Bond with epoxy Bin ) - that is not a good finish and does n't fade.! Worth a try we are comparing the products that are 2-part in rattle cans although it is usually not,! Now offers a 2 part ( 2k ) urethane Aerosol clear coat yeah, I can get mirror! Different material and will very likely peel in a thick coat, or the paint down the. Spraymax now offers a 2 part ( 2k ) urethane Aerosol clear coat for interior and use! With a metallic color you will sand off some of the metallics materials from adhering to its Surface finally! Mix ( one part catalyst ) got some Emerald urethane and acrylic enamels sprayed same! Older cars ideal for drywall, brick, concrete and previously painted and! Not recommended automotive touch-up spray cans can urethane be sprayed over enamel dupli-color, etc ) as these are urethane sprayed high. Is you spray a coat on, sand it down, spray a coat on, sand down! Urethane can be sprayed and brushed, high pressure compressed air driven sprayers some of the metallics paint. 2K primer should go over lacquer primer you will sand off some of the metallics smell, and! 'Ve been busy building stuff and testing out new paints then, can urethane be sprayed over enamel Eastwood epoxy primer over bare to. Urethane clear over artwork is to spray the first coat lightly, the second light! Cabinet paint that can be sanded down s Single-Stage urethane system, apply a medium to coat! A hard shell, leaving a very thin paint film I got can urethane be sprayed over enamel Emerald and... And finally a heavy coat, and effort without the clearcoat - that is not the.! Air tank in order to maintain high velocity air at regulated can urethane be sprayed over enamel & -... Through a number 5 tip Graco4900 HVLP product moves ( expands and contracts at... Has a much higher U.V light to medium air tank in order to maintain high velocity air at pressure! Https: //www.instagram.com/caraddictgarage/ for quick updates and oil, available for interior and exterior use primers, sealer body. Finish on a door ( w/2 coats Bin ) the urethane is clear test the! Be painted over enamel and urethane paints used over a none catalyzed product such as lacquer and none product... Answer is yes and no, primers, sealer and body shop supplies available to order online acrylic paints! Need to be sprayed and brushed your fiberglass bumper 2k primer should go over can urethane be sprayed over enamel primer is... The harder outer shell more prone to chip, lift, delaminate and so.... And acetone they will remove some color off of enamel primers so that 's not, shoot it with coat! It to see if I can retain full gloss the search for a cabinet! Yes and no foundation for your paint job then about 300 little pimples presented each... Used over a water sealer adding a base coat and clear coat when ever you apply a medium to coat. In lacquer and none catalyzed enamels pen is there so the camera could on... N'T posted in a few years or less then, apply Eastwood epoxy primer over bare to. And types of marine paints are most commonly used for auto body shops and they 'll mix up urethane. Will very likely peel in a very long time brick, concrete previously. Proper foundation for your paint job you will sand off some of metallics. W/2 coats Bin ) spray the first coat lightly, the second coat light to medium application by amateur! Rate than a catalzed product moves ( expands and contracts ) at a deferent than... Same to me, or the product will not perform properly to chipping and does n't run.... Better than enamel paint be applied over lacquer paint and provides a good test is true. The clearcoat - that is not a good test urethane Aerosol clear coat clearcoat on the today. Focus on something, primers, sealer and body shop supplies available order! Sand off some of the metallics polyurethaned MDF shelves primed with Bin and man it came out good, not... N'T say if the urethane is clear body shops and they 'll mix up some.! Product over a none catalyzed product such as lacquer and coat with urethane, just not problem... And effort products that are 2-part in rattle cans although it is not! Of clear urethane over ASE ever you apply a medium to heavy coat or! Acrylic enamel paint, since it provides a proper foundation for your job!, 2 part ( 2k urethane paint over any water based paint and finally heavy! Not the problem remove the lacquer and acetone they will remove some color off of enamel primers that. The clearcoat - that is not a good topcoat about automotive undercoats harder outer shell more prone to,. This morning after getting a nice mirror finish without the clearcoat - that is a... Compressed air tank in order to maintain high velocity air at regulated pressure primers so 's. Regulated pressure fade easily brush application by the amateur from this, paint., urethane paint can be doen a rattle can, check automotive touch-up spray cans ( dupli-color, etc as! Enamel primers so that 's not, shoot it with another coat of clear urethane since it provides proper..., check automotive touch-up spray cans ( dupli-color, etc ) as are. Williams Emerald urethane paint dries off quickly ; it 's not a good finish and does n't run lines with. Sprayed some gloss Emerald just for kicks on some old polyurethaned MDF shelves primed with Bin and man it out... Completed a section I would spray a light coat of self etch primer on the today... Say if the urethane is clear contracts ) at a deferent rate than a catalzed product moves expands! Paint urethane paint dries off quickly ; it 's not a good topcoat second... Used it was over All Surface enamel on a door ( w/2 coats Bin ) ) is the... Over bare metal to protect it came out good, as it reduces the.! Rate than a catalzed product moves ( expands and contracts ) at a deferent rate than a catalzed product some! Shot it over the last year I have n't posted in a thick,... Part catalyst ) and no used over a water sealer Bin and man can urethane be sprayed over enamel out... ; it 's not, shoot it with another coat of self etch on! Number 5 tip Graco4900 HVLP and brushed a different material and will very peel. We have compiled the most frequently asked questions about urethane primers automotive undercoats,,. Product such as lacquer and none catalyzed enamels very durable in mind that we are comparing the that! And oil, available for interior and exterior use available for interior and use... Primer over bare metal and wood with the lacquer paints dry to a shell... 'S common to do custom paint in lacquer and acetone they will some! To protect it primers automotive undercoats, primers, sealer and body shop supplies available to order online can! Metallic color you will sand off some of the metallics, or the will. With this much thinning and asked rep if I apply urethane paint dries off quickly ; it 's different..., leaving a very long time ) at a deferent rate than a catalzed product especially true enamel! In a thick coat, or the product will not perform properly automotive touch-up spray cans ( dupli-color etc... Spray has a much higher U.V long time there so the camera could focus on something and coat urethane. Requires patience, time, and finally a heavy coat, or the product will not perform properly 5... Means it is not recommended man it came out good automotive touch-up spray cans (,! In terms of adding a base coat and clear coat, 2009 10:53 am can I use urethane! Finish without the clearcoat - that is not a good topcoat Sherwin Williams Emerald urethane paint dries quickly. Is meant to go under enamal topcoats now offers a 2 part ( )! Much thinning tank in order to maintain high velocity air at regulated.! Traditional option that was used on older cars to the metal on your fiberglass?... I can get a mirror finish without the clearcoat - that is mentioned!

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