Wet Sand Lacquer Paint

It's fast, sands easily, and fills well. Just like today's paints, good solid body work needs to be under your lacquer. Im leaving a great site for painting information, I sat in this painter at Carlisle Pa. Corvettes are obviously made from fiberglass, and being thus, they act a lot different then metal bodies. Once it is washed, het the 600 grit and wet sand everywhere you plan on painting. Apply the first even coat of Deft Clear Wood Finish with a brush, roller, or with Deft's Aerosol Spray. For more depth or build apply an addi-tional coat. Suggestive of the architecture in Chicago. My Dad was a painting contractor for 42 years and we used lacquer sanding sealer for ever. Do NOT start sanding with very fine sandpaper on unfinished wood. suddenly I have tiny white specs all over the surface, looks like overspray. I ordered my paint from Tower Paint in pre-mixed spray cans and it seemed to take quite a few coats to cover well, maybe 8. Dashboard, Painting Your Center LSR Vinyl Dye and Vinyl Lacquer ; or the paint crackles from applying too much paint, you can wet sand it lightly once it. It comes in a glossy white color that dries to the touch in as little as 20 minutes, allowing for fast use on wood, metal, plaster and other materials. Then you can flat it with 1200 grit or finer wet and dry, using soapy water. Still, somehow, someone managed to commit the unforgivable. You should wear a properly fitted vapour respirator during the application and drying of nitrocellulose lacquer. the third is a fine sanding job with another inlay I wanted to show off the last image is of course my hero lacquer. Painting my buggie outside undercover. From my experience - I've coated wood table with two layers of oil-based lacquer. Made in the USA. Sanding also helps remove any bumps from dust that's settled on the surface before the paint/lacquer/poly dries. Then as above mist coats, get them well covered, before going wet. Repainting Your Outdrive. Step 2: Begin to wet-sand the clear coat. Use a tack rag to pick up lint and dust particles. Having applied the black base coat, should I use 1200 grade wet & dry before applying the lacquer as it says on the can?. A wide variety of automotive lacquer paint options are available to you, There are 232 automotive lacquer paint suppliers, mainly located in Asia. Will Kelly, monthly repair columnist for Vintage Guitar Magazine, shows how to properly wet sand and level a lacquer finish, as part of the application of a Sunburst finish project for. Thoroughly wet sand all surfaces of the instrument - one small area at a time. In terms of application, urethane paints are easier to apply. Use a sanding block, not the flat of your hand. Most refinishing products are highly inflammable. The clear coat is necessary in this case as the colour is a metallic silver and the clear is required when painting with metallics. Clean the residue from the paper often. Although you can use 300 to 400 grit or higher sandpaper for wet sanding, you should. Round the corners of the pinewood block with coarse sandpaper. He says i should sand lightly and paint 1more layer of base, then a few hours after i could clear coat. I use a griot's garage RO buffer and use the griots medium polish. Spray lightly to avoid. (Use the grit specified by the prep instructions on your top coat paint. How to Sand your Car's Bodywork. Wet-sanding is a technique that's used to give wood a fine, smooth finish. MCW can supply this if needed. If you sand too soon you may push any dust deeper into the lacquer and also run the risk of gouging the preparation coat. Highest Quality Automotive Paints at Affordable Prices. If you want to bury them, after wet coats carefully sand the build at decal edges, then coat again. Lacquer and Enamel Top Coats. They are: • Removal of old paint by sanding with orbital or disc sander. I am about to aerosol my mini, on the subject of lacquer, do you let the paint dry then apply or do you apply whilst the paint is still wet? Regards David. Wet sanding is awesome. suddenly I have tiny white specs all over the surface, looks like overspray. Lacquer is also is tolerant to a little bit cooler temperatures than other paints. Wrap the sandpaper around a small wooden block to ensure the sand paper sands only the run and not the surrounding paint. REPAIRING "LIGHT" SURFACE SCRATCHES in the CLEAR COAT When we refer to "light" scratches, we are referring to scratches that are ONLY in the clear coat surface and you can NOT get your fingernail to "catch" in the scratch. The finish looks good, although I have a few floaters. Usually if you let the paint dry overnight, it will be dry. Spray close to your work. Fill and fine sand all surfaces until very smooth. Recreating a 1930’s Lacquer Finish Basic Materials: (Available at paint or hardware stores). It will not buff out. 1K Lacquer No Nitrocellulose lacquer will not adhere to 1K Acrylic Sanding Sealer No Typically causes bubbling and damage to the acrylic base coat Bare Wood No For a natural finish first use Clear Cellulose Sanding Sealer, then finish with Clear Nitro Lacquer as a top coat. you can also get a "paint leveller" spray from automotive supplies stores that, in real car painting, you spray over the new paint, paying extra attention to the edge between old paint and new paint, to blend the surfaces together. After the sanding I spray 2 or 3 more coats of lacquer. I really believe that allowing each layer of paint to completely dry and the light sanding in between each paint layer, makes all the difference when it comes to creating a beautiful finish with spray paint. The Answer is yes. Sanding depends on the kind of paint that you use. This does make sense to me as it should give a better finish. finishing it with 220 and the primer eventually shrinks after time and the paint looks like it has sanding lines in it It don’t take long, A few days in the scorching hot sun and they will start appearing, It will only get worse as time passes. Remove dust. Let us look at the advantages (and disadvantages) of each. How long for paint to cure before wet sanding? I'm in the middle of painting my center console Chrome Orange and I want to wet sand it between the color and pearl coats. Single Stage vs Base/Clear. More info on buffing. I really believe that allowing each layer of paint to completely dry and the light sanding in between each paint layer, makes all the difference when it comes to creating a beautiful finish with spray paint. The fumes are rough so be aware they can get to you if you don't have plenty of ventilation. you should be able to look and tell if it is still wet or dry. if its a metallic paint, the metallics will shift with sanding and you will see it afterwards. At this point I'm not exactly sure what to do. just wipe down over spray with tac cloth after every coat drys. Sand with 600 sandpaper. Prep sanding is done with progressively finer grits. It is then painted with a mixture of alluvial soil and lacquer and wet sanded. When I wet sand, I like to add a few drops of soap to the water in order to allow the sandpaper to glide more easily over the surface and not grab as easy, biting into the paint. Once you have a uniform surface time to buff. Be extremely careful when using chemical paint stripper to remove old layers of varnish. For recoating paint in good condition, you only need to wet-sand the old paint with 120-grit wet-or-dry paper to provide tooth for the new topcoat. I didn't remove very much paint at all and I didn't sand through anywhere and it is smoother now where it was a slightly rough in a few spots before. After drying it is sanded smooth under water. Sand wood with 180 grit sandpaper to proper smoothness, remove dust, and stain if desired. hi stu, my name is also stu. Fill and fine sand all surfaces until very smooth. Do not use prep solvent over the fresh primer. Recommended tip size is 1. You need to first get rid of the dirt nibs with a “dirt nib” file. if its a metallic paint, the metallics will shift with sanding and you will see it afterwards. In fact on every job. You want to remove the "orange peel" texture before buffing (see picture). I am in need of some advice and information. Thoroughly wet sand all surfaces of the instrument - one small area at a time. I ordered my paint from Tower Paint in pre-mixed spray cans and it seemed to take quite a few coats to cover well, maybe 8. Use a very fine grade paper, otherwise you could put visible scratches in the paint. Easy Sanding Steps. Apply Minwax® Wood Finish™ stain or Minwax® Lacquer Sanding Sealer, if desired, following label directions. If you want to get a really good finish have some one spray the paint or Lacquer on. First the reasoning. While it is soaking, apply masking tape to areas you don't want to sand, such as moldings and panel edges. Wet sand that layer with 2000 grit. Work consistently in straight lines, not swirls. 24-Aug-2019 : Best How To Wet Sand Lacquer Car Paint Free Download DIY PDF. Recreating a 1930’s Lacquer Finish Basic Materials: (Available at paint or hardware stores). Automotive paint is paint used on automobiles for both protection and decoration purposes. One part Acrylic Lacquer Primer: Easiest to use. I hope this is helpful to anyone attempting to wet sand a finish to get it to look like a factory guitar finish. Apply to wood, metal, plaster, masonry or unglazed ceramic. Unfortunately, the sand on the surface will show, but a coat of paint or gel coat may be applied over the sand. Learn how to wet sand, touch up. In terms of application, urethane paints are easier to apply. I ordered my paint from Tower Paint in pre-mixed spray cans and it seemed to take quite a few coats to cover well, maybe 8. Don’t forget to soak your sand paper for at least 20 to 30 minutes before use. Prior to applying your color, ensure that you have thoroughly prepared the surface for paint. Lacquer is always drying and shrinking. The word is now commonly used for a variety of paint types, and I’ll avoid getting too technical here – as I’d rather focus on the point of this article – which is how to customize … Continue reading How to make acrylic paint look like enamel →. rubber or foam blocks. Corvettes are obviously made from fiberglass, and being thus, they act a lot different then metal bodies. Sand wood with 180 grit sandpaper to proper smoothness, remove dust, and stain if desired. Hi Everyone, I want to paint acrylics on wood -- these are unfinished wood, thin squares about 1/6 of an inch, sanded smooth, 3x3. I don’t have the required time to sand it back down and start from scratch. Thoroughly remove sanding dust from the pores of the wood using compressed air of a shop vacuum and tack cloth. Most primers have an extremely flat finish that highlights details under direct light. On one of them I just used Rustoleum primer and bronze metallic spray paint. Lacquer paints dry to a hard shell, leaving a very thin paint film. Lacquer, because it is made from cellulose, is highly compatible with wood and is one of the best finishes for interior woodwork. Then you can flat it with 1200 grit or finer wet and dry, using soapy water. The finish looks good, although I have a few floaters. If you're wet sanding a single stage paint you'll see the colour of the paint in the water as you sand. During sanding, low areas will be highlighted by the guide coat left behind. Simple questionI'm using metallic automotive paint (from Halfords) and the instructions on the can advise wet sanding before applying the acrylic clearcoat lacquer I'll be using. You do this to get rid of orangepeel. 5" Silicon Carbide Sandpaper Sheets for Metal Sanding, Automotive Polishing, Wood Furniture, Wood Turing Finishing, Pack of 45 at Walmart. But you have to have primer. Jim 8:15 PM. A nice old Gibson, you can visually see that small sections of nitro cellulose lacquer have pulled away from the neck. What type of paint are you using? Base Coat - Clear Coat? when I color Wet sand my car I use 2500-3000 paper with a little dishsoap in the water, make sure to rinse your sanding block often while sanding. ASTM's paint and related coating standards are instrumental in specifying and evaluating the physical and chemical properties of various paints and coatings that are applied to certain bulk materials to improve their surface properties. I am about to aerosol my mini, on the subject of lacquer, do you let the paint dry then apply or do you apply whilst the paint is still wet? Regards David. Rottenstone is finer than pumice. Re: A question for rattle can gurus And the paint you use really matters too. Sand the guitar lightly, wet sanding it with a1000-grit sandpaper, progressing to 2000-grit. Whether you are prepping an old paint finish or primer surfacer, it must be final sanded to prepare is for primer sealer and paint. In the video above I show you the most common automotive sandpaper grits that are used for body and paint. Wipe the car down again with solvent and a clean rag, careful not to use too much, or it can wipe off the primer. you dont want hard pieces to stick to the dry sand paper cause youll gouge the paint. Once it hardens, it's HARD!. This because the clear would bond better with the base coat and be much more durable. To lubricate the model’s surface while wet-sanding, use soapy water, mineral oil or vegetable oil. They think they will get a better paint job by using. 65 degrees is an okay temperature to apply the paint to your car. Wet sand using 400 grit sandpaper Use an extremely light touch being careful not to remove any of the paint. Round the corners of the pinewood block with coarse sandpaper. If you want to get a really good finish have some one spray the paint or Lacquer on. when i was in working in a body shop, we used to wet sand using 450 to 500 grit paper. As it turns out, my anxiety over this step was entirely unwarranted. You'll be able to get a good idea as to whether you'll need more work while the primer is still wet. I think primarily you sand lacquer paint only. I have been told by a lot of people to sand between coats, but I am not sure the these people are lacquer users. We are going to use Acrylic Lacquer with a clear coat over the top. And like the one post mentioned - you should be good to go straight from the wet-sanding, although I would normally sand with 400-600 grit prior to the clear coat. when your finished with one spot, use a squeegee to take the wetness off, of course you do this in an area that. Level sand with 320-grit sandpaper. Sure, you can fill surface dings and nail holes, but it comes into its own as a surface finishing filler. Wet sand the entire part with 400 grit and a sanding block to remove all oxidized and loose paint. Painting ProcedurePainting Procedure Spray can primer (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Sealer, if necessary (1 coat, no sanding) Dry 3 hours Color or base coat (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Clear or candy coat (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Apply decals with setting solution Allow decals to dry. PTS-202™ is a biodegradable peroxide based paint remover that is formulated to remove the most resilient coatings from metal and composite surfaces that conforms with military specification TT-R-2918A TYI. some basecoats spray on very smooth not requiring sanding. Going thru the process and just finished with the 2000 wet sand. you’ll need a few more things to make these tools actually work:. Apply a final coat of primer and after the manufacturer specified drying time, the part is ready for painting (a quick, final polish is not a bad idea). The proper "hand rubbed lacquer" paint jobs take a ton of work. Corvettes are obviously made from fiberglass, and being thus, they act a lot different then metal bodies. Things You Will Need to Repair the Paint on your Corvette. Level sand with 320-grit sandpaper. Acrylic Lacquer Primer is not normally used today but you may still find it. wet sanding (countable and uncountable, plural wet sandings) The process of sanding with extremely fine-grained sandpaper, using a lubricant such as oil or water to prevent the sandpaper from clogging. After drying it is sanded smooth under water. From start to finish, we have the total solution to make sure that your results exceed your expectat. If your paint is smooth, one coat of Future is enough before applying decals and one more coat will seal them. You may need to put in over 40 hours of labour from the start to the finish of the project. Lacquer is also is tolerant to a little bit cooler temperatures than other paints. KBS RustSeal is a superior one part, ready-to-use, high-solid content, stop rust and rust preventive coating, that is actually hardened by exposure to moisture. Example scratch View attachment 56653 First off wet sand with a 3000 grit sanding pad. Unfortunately, the sand on the surface will show, but a coat of paint or gel coat may be applied over the sand. If you're like me and sometimes have a hard time getting your paint to lay down perfectly off the gun, you might consider wet sanding and polishing your finish. It's the use of fine sandpaper (either wet or dry) to remove all imperfections from the painted surface. Some cans of paint will "spit" a little when starting and/or stopping, and painting this way avoids the splatters from winding up on your guitar. Scuff sand with 360 grit. The paint job on your vehicle protects it and provides a unique look as you cruise the streets. The objective of sanding wood is to remove mill marks, which are caused by woodworking machines, and to remove other flaws such as dents and gouges that may have been introduced in handling. hi stu, my name is also stu. Wet sanding is an amazing process that, when done properly, can result in a surface that's as smooth as glass. Unfortunately, the sand on the surface will show, but a coat of paint or gel coat may be applied over the sand. What i like is with dupli-color is if you get a run you can wipe it out and keep going,with enamal you have to wait till it is dry then sand it out. Pints come in black, white, flag blue and fire red for boottops. Sanding made huge difference for the first layer, but after I applied the second layer the surface was as even as before the second layer. If you are going for a driver-quality result you may have to only lightly sand the clear to remove any dust or imperfections in the paint. Use fresh paper often for efficient, clean leveling. Use the 80 grit pad on an orbital sander. "Learn How to Determine the Type of Paint on Your Vehicle Using the Vehicle Identification Number and an Awesome Simple Method You Can Easily Accomplish at Home" Before high-tech polyurethane paint products were introduced, cars were painted using either acrylic enamel paint or acrylic lacquer auto paint. In order to achieve the very best paint finish for your vehicle, you should wet sand the vehicle just before you start to paint. some basecoats spray on very smooth not requiring sanding. Final hand sanding is wet, using a sanding block with successive grits of 1000, 1500, 2000, and finally 2500. It's really important to keep the panel you're sanding wet and to change your sandpaper regularly. I had to purchase this paper from a local automotive paint store, as it is too “specialized” a product to be carried at the local Home Depot or Lowes. However, in temperatures less than 70°F and. He spoke again about the level of perfection required for NASCAR race cars. Now, after only the briefest of web searches, I've read the exact opposite from more than one source, i. This process, which may or may not be required, is defined as wet sanding the entire panel by compounding buffing and mechanical or hand polishing. In many cases wet sanding can be more effective than trying to compound these imperfections out. wet-sand the. "And nobody can get the factory formulations anyway. Brilliant finish in 1 easy coat that dries in 20 minutes. Water-based acrylic polyurethane enamel paint is currently the most widely used paint for reasons including reducing paint's environmental impact. Once dry, wet sand the car down with blocks using 600 grit paper. if you taped of anything on the bike you didnt want painted and the tape got paint on it touch the tape to tell if it is dry or not. Fold a piece of #400 or finer sandpaper into a small square. Applying it on surfaces that are pre-coated with other kinds of fillers will only lead to the dissolution of the fillers. My Dad was a painting contractor for 42 years and we used lacquer sanding sealer for ever. I've been using clear acrylic lacquer for about 18 years now. This has led to a lot of bad or outdated information. In order to get a good long lasting result with lacquer materials slow drying thinners and reducers are recommended and should be used in. SO i need to sand this paint off back down to the clear coat then respray the clear coat again. • Removal of old paint by sandblasting. Not 100% sure but this stuff is probably "just" the paint solvent in a can. You will spend about the same amount of time wet sanding with 2000 as you did with 1200 or 1500 grit, but you will need to be more careful and keep track of the parts you are done with. The clear is wet sanded in the usual manner, starting with wet 3M 1000 grit Wet or Dry (this is the only time that wet sanding is appropriate in this method), commencing to 1500 and then even 2000 if you wish (not really necessary). Modern automobile paint is applied in several layers, with a total thickness of around 100 µm(0. Lacquer is very forgiving. From 400 grit to 1000 grit (400, 600, 800, 1000), I wet sand to prevent buildup of heat in the PLA. I have a few bodies I'm working on refinishing. 1500 grit sand. so I'm into my black spray can paint gibsonI read that link. If using a primer, you might be able to leave off with a coarser sanding, with more "tooth" remaining. if you're trying to achieve the smoothest possible finish, you can wet sand latex enamel with 1200 grit paper. Tamiya Lacquer Paint LP-30 Light Sand 10 ML Late Nov LXLULM Pre-Order 2. Unless there is a flaw that needs to be addressed, and then, I will normally only sand in that area. I only ask as i dont want orange peel in the final finish,or dose it even show at all on base coat and just in the clear lacquer. It's called a spray paint, cause that is the category it falls into. Wet Sand for the Best Finish. Anybody who knows. No matter if its just happened or its been a year, you have to clean the surface, I start with dry 1000 grit paper. Below: Bare plastic car body, wet-sanded with 600 and 1500 grit wet-or-dry sandpaper. After sanding clean I suggest (and religiously use) a second filler treatment to achieve an ultimately glass like finish. This requires water and a high grade sand paper. Of course you will ahve to get ALL the lacquer off becase other paints like to react to it. Clear Wood Finish Interior Lacquer Sanding Sealer Specially formulated sanding sealer for use with Clear Wood Finish Brushing Lacquer DEFT® Interior Clear Wood Finish Sanding Sealer is specially formulated to precede the application of Clear Wood Finish Brushing Lacquer. First the reasoning. You may wipe with a low lint surface prep towel using 91% isopropyl alcohol but do not scrub, just lightly wipe. How long for paint to cure before wet sanding? I'm in the middle of painting my center console Chrome Orange and I want to wet sand it between the color and pearl coats. The cost of the paint, undercoat, and labor adds up quick. The Rust-Oleum 11 oz. The following photo sequence shows the painting of a 1/24 Porsche Carrera model car body, using lacquer paints from spray cans. Typically you would use over 1000 grit to avoid sanding scratches. The basic concept of rubbing out a finish using modern materials is exactly the same as rubbing out using traditional materials. I've been using clear acrylic lacquer for about 18 years now. If wet sanding is preferred, allow sufficient time for moisture to evaporate. Sanding and polishing the lacquer topcoat adds to the glossy finish of your automobile, but it is a time consuming process. Using 2000 grit wet and dry sand paper begin to carefully sand the paint run. When you wet-sand, use a squeegee to check your progress, and check that progress often. WET SAND FIRST with 1,200 grit, buff and clear coat? I am using a single stage AE and would appriciate hearing how the pros do it. Easy Sanding Steps. Every now and then I'd dry off the surface to see how it looked. You can also rub out the finish to a silky smooth feel which can be high gloss without that cheap plastic look. master the art of lacquer painting. Let dry 48 hours. Second wet coat will cover this. Make sure you wipe of the excess water regularly as you sand to minimise the chance of wet sanding marks in your paint. Wash the piece down with lacquer thinner after you're finished stripping to remove residue and prevent it from gumming up the sandpaper. Okay, so wipe off any dust with a wet cloth, dry it, and grab the clear coat. Also, some Wurth clear coat lacquer. A common saying you hear when talking about paint is that “the prep work makes or breaks the paint job”. I thinned it 3 parts paint to 2 parts enamel brush cleaner. Wet-sanding is a technique that's used to give wood a fine, smooth finish. Now, after only the briefest of web searches, I've read the exact opposite from more than one source, i. When wet sanding cabinets, I apply water to the sandpaper, not the cabinet. Then mix up a slurry of pumice. would i still wet sand the base coat before i apply the black. Re: A question for rattle can gurus And the paint you use really matters too. Sand the surface again to ensure it is as smooth as possible. Primer is basically a material to make something ready for the next stage. After hours of buffing, you then have a lacquer paint job that is deep and shiny. Machine Mart sell an ideal respirator for under £20 including organic solvent cartridges. You do this to get rid of orangepeel. Once again, clean the undercoat with MoTip Degreaser. When using lacquer paint it will take a lot more coats to get a finished look, with most people using around six to eight different coats. Best Automotive Sandpaper Grits To Use for Each Car Paint System - Day 2 Boot Camp. Rust-Oleum® Specialty Lacquer Spray adds an ultra-hard, factory-like finish to furniture and accessories. This is the Valspar Clear Lacquer Spray. The objective of sanding wood is to remove mill marks, which are caused by woodworking machines, and to remove other flaws such as dents and gouges that may have been introduced in handling. Buffed with a random orbital polisher from Harbor Freight ($15) with Meguiers Ultimate Compound. You can sand it all down and the re stain it and then lacquer over that or you can sand it down and paint it. Only a small amount of water is required, just enough to lubricate the surface without soaking it. Wet sanding is an amazing process that, when done properly, can result in a surface that's as smooth as glass. can you wet sand your painting before you clear coat it. I ordered my paint from Tower Paint in pre-mixed spray cans and it seemed to take quite a few coats to cover well, maybe 8. I just stick the part in an appropriately sized bowl/container and sand the part under the surface of distilled water, and change the water between grits or when it becomes dirty. Having applied the black base coat, should I use 1200 grade wet & dry before applying the lacquer as it says on the can?. Lots of paint will not help bad body work or poor prep work. we had Lacquer or enamel We never put clear coat over anything. Don't use water to sand bare wood. 3M wet/dry sandpaper is best. How long you should wait depends on the factors that affect the drying time such as temperature and humidity. Now you can paint. How To Sand Lacquer Paint: Overall, this product is a great set of wooden plans to help you achieve any of your woodworking projects. It's called a spray paint, cause that is the category it falls into. Shake for 10 seconds occasionally during use. Whats the best non-nitro spray can paint for guitar bodies? Like what brands? Ive been trying to refiinish some guitars with the Reranch nitro and its not coming out real good. If the thinner immediately attacks the paint, you will have to strip the pieces, or use a barrier coat (ask your paint supplier). The Specialty Gloss Clear Lacquer Spray Paint is an Acrylic Lacquer. (Use the grit specified by the prep instructions on your top coat paint. Gloss coat from Testors is lacquer based and, as far as I know, there's no way to strip lacquer that won't also destroy the paint underneath. the paint doesnt need to be completely dry for you to put on the clear coat. Let the paint dry thoroughly before applying clearcoat. Wipe the surface when you have finished and let it dry. just make sure the paint isnt wet. I don’t have the required time to sand it back down and start from scratch. You can use a sanding lubricant made from Murphy's Oil Soap diluted with 75 percent water or more. Paste wood filler, top center, makes a smooth foundation for the finish. Painting ProcedurePainting Procedure Spray can primer (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Sealer, if necessary (1 coat, no sanding) Dry 3 hours Color or base coat (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Clear or candy coat (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Apply decals with setting solution Allow decals to dry. Lots of work. Whether you are prepping an old paint finish or primer surfacer, it must be final sanded to prepare is for primer sealer and paint. Whether you're talking about paint, primer, bare metal or anything in between, your car's body can be smoothed by wet sanding. Take care to remove all sanding residue. Wet sanding with 2000 and rubbing with cleaning compound gets the blend a bit closer and better to my eye than rust showing through the paint, but it's not the best or a permanent paint fix by any means. Although you can use 300 to 400 grit or higher sandpaper for wet sanding, you should. As stated, prep, prep, prepmaking sure that the paint/primer has a surface it can bit into (usually 400-600 grit wet/dry or 3M scuff pads, cleaned and prepped with whatever the manufacturer recommends - I use Acryla-Clean SX330 (PPG) making sure that the paint/primer has a surface it can bite into and then a tack cloth just before I paint. Painting ProcedurePainting Procedure Spray can primer (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Sealer, if necessary (1 coat, no sanding) Dry 3 hours Color or base coat (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Clear or candy coat (2-4 coats w/wet sanding) Dry 2 days to 2 weeks Apply decals with setting solution Allow decals to dry. 3M wet/dry sandpaper is best. sand 180 again and put on the first coat of base coat. To remove the roughness from a final finish, try the technique known as wet sanding, which eliminates dried-on dust without leaving visible sandpaper scratches. Rub the piece of wood down with that. PTS-202™ is a biodegradable peroxide based paint remover that is formulated to remove the most resilient coatings from metal and composite surfaces that conforms with military specification TT-R-2918A TYI. Rinse the model between each sanding to remove any dust or debris. Do you use a water based paint or a solvent based paint. Be careful to sand lightl so as not to affect the color coat underneath. During sanding, low areas will be highlighted by the guide coat left behind. Re: What fluid do you use to wet sand varnish? Here in Oz there is a one pot clear polyurethane finish called Estapol, I have used it for 30+ years as an internal clear finish. People toss around terms like primer, sealer, two-part paint, tri-coat, lacquer, single-stage, and it can get confusing. End "grain" in MDF will soak up paint faster than you can apply it. That's 43 years experience. Get some denatured alcohol, not mineral spirits.