urethane over lacquer

I've done a lot of Harley tins with Harley paint that is lacquer then top coated with urethane clear and never had any problems. The drying process is much slower than urethane paints and leaving a coat to sit for 24 to 48 hours before applying another coat is recommended. Unlike polyurethane, where you must sand the surface in order to apply a new coat, lacquer is generally thin enough that a new coat can be sprayed over the surface without the need for this. Make yourself at home...read, ask and answer ... could have been from a spray can we or the o/p has no idea. One thing about painting stripes, Always try and pull the tape while the paint is still wet, it'll give you a better edge. View Full Version : Urethane clear coat over lacquer paint? I understand that Polyurethane or Urethane clearcoats are more durable - harder and gasoline resistant than lacquer. I just finished the body work on my 46 Hudson Pickup truck. It is extremely durable and resistant to damage; however, over time it can begin to discolor and become scratched. You also must factor in that the EPA has been the driving force in automotive paints as much as anyone over the past 15-20 years. Automotive paint resins are usually one of the following three chemical compounds: lacquer, enamel, or urethane. This is why it is best not to mix and match systems or … Identifying the finish on wood floors or furniture is necessary if you plan to strip and refinish the wood surface. Urethane has many advantages. Make yourself at home...read, ask and answer! Click to see full answer. I tape off my stripe as … I just looked at a tank and fenders I did about 12 years ago and I was even amazed, they looked perfect. Its 2013 avoid lacquer if possible and use a urethane single stage or urathane base coat clear coat you will have a more durabale stable end product. Second, polyurethane is not the best choice for painting over lacquer finishes. General Discussion. If the urethane clear is cured and isn't scratched or sanded thin you can shoot lacquer over it without any worry of lifting. If you cut thru or cut it very thin the strong lacquer thinner could get thru and possibly lift the urethane. If you want to learn how to paint your own car, this is the place! A quick guide to wood finishes - what to use, and when to use them. Here is a comparison of these two products so that you will be able to make a fully informed decision as to which of the two to use on your next wood project. Wonder why it's so smooth? The HD color match paint is lacquer, yes, 1970s locquer. This means that you might be facing frequent maintenance, but it should be relatively easy to touch up . now this was bulk acrylic lacquer that I sprayed on, then spayed 2-3 coats of clear lacquer. PeaceKeeper. The clear coat of urethane supplies the acrylic enamel paint with a buffer between the paint and the elements. 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. Can you paint urethane over enamel primer? It's a different material and will very likely peel in a few years or less. If you only scuff and shoot the lacquer, there isn't a darn thing that can happen. I painted my GTX with lacquer and a clear enamel over it in the 80s it lasted about 10 years and then started to look shabby. In short; you CAN apply a lacquer or a polyurethane over a Danish oil. Urethane over lacquer? Painting a car makes it look new again. urethane over lacquer. First, whatever finish that is applied will never look as good as the one put on at the factory. As with all primers, proper surface preparation and weather conditions must be … Durability may be what you are looking for over vintage correctness. Aaron, the simple truth is spraying urethane clear over a factory lacquer paint job is a crap shoot. 2k Urethane over lacquer. That is why the light sanding or scuffing with 600 is all that is needed. ... you'll have to spray a solvent-based clear over an Auto-Air basecoat. So Which One ? Weather, dirt and other damaging elements never … This is especially true with enamel and urethane paints used over a lacquer-based paint or primer, since they are totally incompatible. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. On a vintage recreation or restoration I want lacquer. Q: I would like to spray a lacquer finish over an oil-based polyurethane, but have been told that the two finishes are not compatible. They could attack the shellac as well if that was used as an intermediate. I have also painted lacquer with a urethane clear. Never put lacquer over urethane, Lacquer is a rock hard brittle paint and urethane is a flexible paint. When I use urethane, I keep it as thin as possible. Be sure to follow me on Instagram https://www.instagram.com/caraddictgarage/ for quick updates. Greg Williams: The best I’ve used is … Lacquer finishes have been used for centuries to give woodworking projects a tough, durable and water-resistant clear finish. Is it possible to spray a 2 part clearcoat (Poly/Urethane) over the acrylic lacquer, perhaps using some intermediate layer between them so there's no reaction. I have it primed in red oxide lacquer prime, the I have selected is a PPG Urethane. He estimated acrylic enamel paints at about half the price, or between $100 and $130 per gallon, though he said he hasn't bought an entire gallon of acrylic enamel in a long time. The lacquer you get today is not the lacquer you sprayed 20-15 or even 5 years ago. Just as you can over any Drying Oil. Is there anything special I have to do to spray Urethane over a lacquer primer. Never paint any urethane over lacquer primer. A nitrocellulose lacquer failed in less than one year of open exterior exposure. Because acrylic paint is lighter than urethane, careful consideration should also be used when selecting a primer. Either way, when done right you can hardly tell a difference in the two. For me its simple. This should make sense, because once dried, the oil has cured to a hard solid film surface, and stuff will now stick to it. They are made of solid oak facings with the sides oak veneered plywood. General Discussion. Lacquer clear sucks in the sun but lacquer paint can be wetsanded and buffed to a mirroe finish rather quickly, then cleared over … The key to success is to make sure the oil has fully dried first. And it works great…a few of the original cherry boards are over 10 years old. (Lacquer thinner often has ethanol as a dilutant.) It's not compatible. Correspondingly, can I put urethane over lacquer? Acrylic lacquer paints can be costlier than acrylic enamels. Can he sand the lacquer and put a spar urethane over it without clouding the … Epoxy coatings darkened in four to six months. I’ve used spar urethane for years on cornhole boards I’ve made from cherry, curly maple, walnut…even a few exotics, padauk, lacewood zebrawood. No, you don't want lacquer over urethane. "At $250, I can buy urethane paints for that price," Jim said. Painting Urethane over Lacquer primer. October 28, 2008. But the lacquer over poly could have more immediate bad consequences as the solvents in the lacquer attack the varnish. Lacquer provides the extremely intense gloss finish often used on many Asian-inspired or ultramodern furnishings. Urethane lacquers lasted about one year under the same conditions. It's applied via a sprayer, because it is thinner than the other finishes. Today is not the urethane over lacquer finishes to success is to make sure the oil fully... Necessary if you only scuff and shoot urethane over lacquer lacquer over poly could have immediate. 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You are looking for in your guitar butyl coatings looked good after two years of open exterior exposure was... Failed in less than one year under the same conditions unfortunately, lacquer is highly! Failed in less than one year under the same conditions if you scuff! Read, ask and answer you cut thru or cut it very thin the strong lacquer could! Easy to touch up I can buy urethane paints for that price, '' Jim said tank and I.

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