With all of the surfaces prepared and cleaned for finishing, the next step is to seal the entire instrument with a wash coat of thinned Vinyl Sealer. Get the classic colors to paint your electric guitar Move on to the next step in the finishing process, spraying the Final coats. Solvent-based lacquer has been so extensively used in the guitar and furniture industries that all of its application and cured film properties are very well known and available. Then all surfaces are polished again with the finer Super Fine Polish FSP for that final wet-looking high gloss finish. Sand only enough to remove or diminish the surface imperfection. Spray four (4) coats of the thin final lacquer. The lacquer coating should be built up to a sufficient thickness at this stage. Toll Free: 1-800-477-4437International: 707-687-2020 Wait one hour, or more, for the lacquer to harden enough to examine it closely. The entire instrument will be polished to a high gloss with the Fine polish. Lacquer also contains a solution of shellac in alcohol that creates a synthetic coating, causing it to form a high gloss surface. First spray the body with the white, nice and even, then spray a few tinted clear coats. Make use of a 150grit sanding paper for a semi-gloss lacquered surface. This close examination of the surface (and your sanding progress) can be enhanced by wiping the surface with Naphtha or lighter fluid and closely examining the surface while wet with fluid. You have entered an incorrect email address! Every pore depression in the hardwoods should be at least partially sanded. Use fresh paper often for efficient, clean leveling. Types of Lacquer Paint Nitrocellulose Lacquer. Stop sanding and wipe the water and lacquer slurry from the surface with a paper towel. all rosewoods, Koa, Walnut, Mahogany, and more – have very open pore structure. The nitrocellulose and acrylic components themselves act as binding agents in the paint that then need to be mixed in solvent in order to be sprayed properly onto a guitar, or indeed a car. Thoroughly wet sand all surfaces of the instrument – one small area at a time. Fold these two (2) pieces in half and tear or cut them into four equal pieces. As a rule of thumb for nitrocellulose lacquers, apply 3 coats over a 30 minute period, then leave to dry for about 6 hours, or overnight. To sand the entire instrument prepare at least eight (8) pieces each of these small pieces of the 600 grit, 1200 grit, and 2000 grit WET-OR-DRY sandpaper. When mixed with pigments, the nitrocellulose made an excellent quick-drying paint… Wet and sand this area again with the objective (see above) in mind. In the early stages of spraying, the filled pores will show as very minor depressions in the dried lacquer surface. For these builders solvent-based lacquer is problematic. Start the polishing by smearing a thin layer of the fine liquid polish FFP on the surface to be polished. The objective of this sanding session is to remove (by sanding) about 1/4 to 1/3 of the thickness of the lacquer coat. Neck Tint Tobacco is a light brown colour which is closer to actual aged old lacquer which has darkened over the years. Likewise Nitrocellulose lacquer has always had epoxy like compounds in it what they have done today is greatly increase the amount of and specific weights of the epoxy in the product. Work in small areas at a time so that you may closely examine the lacquer surface and observe the progress of the leveling process. They're ideal for solidbody guitar finishes; you can experiment with pigment combinations to produce infinite colors. After your primer has been successfully applied, you will need to wait within 24hours before it finally gets dried. Dry and clean the sanded surfaces. This resin-based paint serves as the perfect finish for wooden furniture. Check for lower grit scratches periodically by careful examination of the surface. Although nitrocellulose lacquer can be applied by brush (with the addition of retarder ), it is best applied, as intended, with proper spray equipment and some kind of ventilation hood or booth. The process of building a musical instrument quality lacquer finish involves several spraying and sanding sessions over an 6 to 8 day period. Lacquer is usually applied by spraying, so the process outlined here will focus on this method of application. It should be considered when making use of a spray gun or paintbrush. Apart from the above, small cracks can appear in a nitro finish after several years too. Spray even coats in a consistent direction across the guitar's top and sides, holding the can 12 to 18 inches from the guitar. This coat will dry to the touch in 20 to 30 minutes. Prepare to spray more coats of the building lacquer mixture. You will need about a pint and a half of this 50/50 mixture. The two part application of Fender Neck Amber and clear coating will replicate the finish. FREE Shipping. Spray more Building coats of clear lacquer. Let this lacquer set and cure for at least two (2) days before sanding it flat. An amber colour is normally a suitable shade for ‘many years of grime’ look. Do not use cold aerosol cans. We recommend the longer cure time – 10 to 14 days – for the best results. The tinting/toner should be mixed so that it has almost no body (resin content), just color, solvent vehicle, and enough lacquer to act as a binder (not enough to build a film with). Two to three coats of lacquer are recommended. Both types of finish are sensitive to sunlight and temperature differences, so you can stand the body in sunlight after you’ve carefully sanded the surface. More than anything, it’s a matter of patience. Spray two (2) coats of this Final lacquer over the entire instrument. It can be layered and mixed, and is great for creating a sunburst finish or for bringing out the spectacular figure in woods such as quilted and flamed maple. Late 1970's to 1980's effect; NOT a heavy 60's or early 70's tint; Do NOT use this as a clear coat over any colour unless you want the colour to age! Totally remove the sanding dust from all surfaces with compressed air and/or wiping the surface with a rag or paper towel wet with Naphtha or lighter fluid. On a guitar, I typically use 1 coat of colored vinyl sealer, & 2 to 3 coats of lacquer (either regular nitro, or pre-cat). Adjust your spray gun with less air pressure and adjust the nozzle tip so that this thinner lacquer solution will spray well. Spray even coats in a consistent direction across the guitar's top and sides, holding the can 12 to 18 inches from the guitar. Nitrocellulose lacquer is the most common lacquering product in use. Spray a short burst of lacquer onto a test board. Available in nitrocellulose paint , polyurethane and water-based finish. Make use of a 150grit sanding paper for a semi-gloss lacquered surface. Wait 5 minutes before spraying the second coat. These controlled bases are designed to take various amounts of industrial colorants based on the color's formula. Be patient. Allow to dry for at least an hour in between coats. Use your highest attention, patience, and skill while spraying because this really is the final coat. I am a newb to tinting clear nitro lacquer. Leave everything to dry for a couple of days to make 100% sure it’s ready, strong and durable. It requires some very precise fine sanding and hard polishing to make the sprayed finish glass smooth with a high gloss. First sanding – Wet sand the entire instrument thoroughly with 600 grit paper; Second sanding – Wet sand with 1200 grit paper, remove all 600 grit sanding marks. This finishing material is made of nitrocellulose combined with other resins (to promote flexibility, durability, etc.) Again, Work in small areas at a time so that you may closely examine the lacquer surface being worked and observe the progress of the leveling process. POLISH THE FINELY SANDED LACQUER TO A HIGH GLOSS We will sand all lacquer surfaces with WET-OR-DRY sandpaper – of varying grits – using water as the sanding lubricant. This longer cure time at each stage will assure the best results from the wet sanding and hand polishing. The surface should be dull with sanding scratches and there should still be some shiny pores visible throughout the hardwood surfaces. FINE SAND THE CURED LACQUER SURFACE. With the proper light examine your sanding effort very closely. When you want to get two layers painted, allow the first one to dry up and then make the surface smooth by sanding it before the second coat is used. I also have Behlen Qualalocq nitro reducer. (It is an art deco design). While most guitar builders prepare for or accept the space, equipment and safety requirements needed to spray lacquer effectively, there is a small but growing number of amateurs and professionals working to eliminate hazardous and toxic materials from their homes and shops. Thin the Vinyl sealer 33% with lacquer thinner (approximately 2 parts vinyl sealer to 1 part lacquer thinner) and spray two wet coats over the entire instrument – top, back, sides, neck. But don’t add these additional coats unless they are needed to fill pores still evident in the lacquer surface. Gun cotton is one form of nitrocellulose (cellulose trinitrate) and is highly sensitive to impact. Although brushable lacquers are available, most varieties must be sprayed because the solvents in which they are dissolved evaporate quickly. After numerous coats of lacquer, the finish is very hard, yet somewhat flexible. The key here is how many coats. Solvent-based nitrocellulose lacquer has been the dominant finish used by U.S. musical instrument factories for steel string guitars, archtop guitars, banjos and mandolins since the 1920’s. Tinted lacquer is a base coat which needs to be sealed in with a suitable clear top coat. Lightly wipe all surfaces with a tack cloth to remove any tiny particles just before respraying. Therefore, the nitrocellulose is generally held in the range of about 45-55% by weight of methacrylate copolymer solids. I need some advice on how many parts thinner and colorant to mix with the lacquer. Each progressively finer grit must remove the scratches from the previous sanding. There should be eight (8) individual pieces 2 3/4″ X 4 1/4″. This entire polishing process may take two to three hours to complete. Wait about 5 minutes for this coat to partially dry, then spray another coat over all parts of the instrument. I sprayed the neck in a shed with plenty ventilation (the spray is poisonous and very flammable), but still couldn't prevent a few dust particles landing on the wet finish. This resin is harvested from the tree's sap and is then refined and mixed with lacquer thinner to create the common woodworking finish . Lacquer thinner is a volatile, “hot”, solvent containing a combination of hydrocarbon and chemical solvents – including naphtha, xylene, toluene, acetone, various ketones, and others. The painting process previously lacquered is different from the way plain wood is painted, and it is a more difficult project to take on. Sand all areas methodically and uniformly. Their intensity is suited for instrument finishing: they spray a carefully measured amount of color, so you can build tones and sunbursts in a controlled way. The objective of this sanding session is to remove (by sanding) about 1/4 to 1/3 of the thickness of the lacquer coat. 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