The advantage of wet sanding these lacquer surfaces up to the ultra-fine 1200 and 2000 grits, is that the very tiny scratches left on the surface by these ultra-fine sandpapers can be polished out to glass smoothness with a medium or fine liquid polish – such as the LMI Fine Polish FFP. Lacquer is a type of solvent-based product that is made by dissolving nitrocellulose together with plasticizers and pigments in a mixture of volatile solvents. 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! In 1923, nitrocellulose lacquers were developed by E.I. Pre-cat is just nitrocellulose lacquer with an acid catalyst added. The color was cool when you bought it (Photo 1), but now you’d like a change. Instead, lacquer is derived from the resin of a specific tree commonly referred to as a varnish tree. Follow these steps for the spraying and sanding details. Messages 3,597. Spray another wet coat of this 50/50 thinned lacquer over the entire instrument. 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). Examine the surface closely enough to see how the fine 600 grit scratches are removed by the even finer 1200 grit sanding. Work in small areas – 4” X4” to 5” X 5”- and complete the polishing in each area before moving on to polish adjacent areas. Most lacquers used in woodworking today contain another resin called nitrocellulose, which (along with some other ingredients) allows one thin coat of lacquer to dissolve somewhat with a previous coat. This wet sanding session is very important to establishing the flatness of the final gloss surface. After your primer has been successfully applied, you will need to wait within 24hours before it finally gets dried. This finishing material is made of nitrocellulose combined with other resins (to promote flexibility, durability, etc.) Dry and clean the sanded surfaces. Alternating this spraying pattern will help ensure a more even thickness of the sprayed lacquer built coat. Spray over the surfaces in the other direction (e.g. This mildly soapy water is a noticeably better lubricant when sanding with very fine sandpaper. 21 vintage frets (.079" x .051") Maple neck with vintage cream binding. The rights to it were quickly bought by the Ford automotive company. On a guitar, I typically use 1 coat of colored vinyl sealer, & 2 to 3 coats of lacquer (either regular nitro, or pre-cat). Nitrocellulose paint is known as a lacquer, and it is a hard paint that has long been used on musical instruments. It is a very dry paint that is most commonly used on automobiles but is currently used for wooden surfaces. We suggest using the maximum drying times indicated at each stage. If it the lacquer color is too light, add a small amount of toner. Prepare the soapy water lubricant for this wet sanding session. With moderate pressure sand evenly and uniformly from edge to edge – leaving the surface with a very fine semi-gloss shine. There is no doubt that everyone wants to do something that makes... Washington's Blog – George Washington Blog WashingtonsBlog, How to Identify Delta Shower Faucet Model Number, How to Even Out Uneven Pecs & Chest Muscles, Why Does My Dog Put His Paw On Me And Push, The Kiev Snipers: Everyone Agrees That They Fired On BOTH SIDES, SEC: Government Destroyed Documents Regarding Pre-9/11 Put Options, NSA Built Back Door In All Windows Software by 1999, Top REPUBLICAN Leaders Say Iraq War Was Really about Oil, Ridicule of Conspiracy Theories Focuses On Diffusing Criticism of the Powerful. Neck Tint Tobacco is a light brown colour which is closer to actual aged old lacquer which has darkened over the years. Third sanding – Wet sand with 2000 grit to further smooth the 1200 grit surface. Avoid sanding right up to the edges of the top, back, and sides, too. This is the most important step in the finishing process to achieving a perfect glass smooth final finish. If the surface is a lacquered one, ensure you sand it. Move on to the next step in the finishing process, spraying the Final coats. the question is. Lacquer thinner is a volatile, “hot”, solvent containing a combination of hydrocarbon and chemical solvents – including naphtha, xylene, toluene, acetone, various ketones, and others. Use this close observation and your best judgment to determine which of the following conditions exist and proceed as directed. Nitrocellulose lacquer is the most common lacquering product in use. When mixed with pigments, the nitrocellulose made an excellent quick-drying paint… The top is faded, there are numerous white water marks, and the lacquer is crystallized and flaking in some areas. Water-based paints dry up the quickest via evaporation, then urushiol-based ones dry up best in warm weather. For most craftsmen finish application is not a fixed, static process anyway, but is rather an ever-evolving, changing one. Although the early Fender necks may appear to be natural in color and yellowed by the aging of the nitrocellulose lacquer coat (the very early necks show a slight red tint) they are in fact tinted with a lacquer based dye sprayed as a shader coat. Forum Responses Try taking the japan color and mixing it in your lacquer thinner, then add that to your lacquer. Go ahead to apply another coat if you notice that there are spots on the already primed surface. We recommend the longer 10 to 14 day cure time for the best results. Leave everything to dry for a couple of days to make 100% sure it’s ready, strong and durable. Paint your guitar easily with our spray. Mask off the fingerboard and cover the soundhole. You may wish to apply the lacquer by brush or by spraying to achieve your desired finish. There should be eight (8) individual pieces 2 3/4″ X 4 1/4″. Work in small areas at a time so that you may closely examine the lacquer surface and observe the progress of the leveling process. This longer cure time at each stage will assure the best results from the wet sanding and hand polishing. Lacquer is a highly flammable finish when wet. Amber Nitrocellulose Lacquer. Our Phones are staffed: These finely sanded surfaces will now have a satin or semi-gloss shine. Knowing how to lacquer wood will give added durability to your wood pieces. Committing the time and keen attention toward filling the pores effectively, and thoroughly, at this stage will reduce the time and effort used in spraying and sanding the clear lacquer coats later in the process. Manufacturers decided to produce an environmentally safe and healthy paint known as water-based varnish. Most of the hardwoods used for guitar bodies and necks – e.g. Adjust your spray gun with more air pressure and adjust the nozzle tip for more fluid to get this thicker solution to spray good wet coats. Nitrocellulose lacquer was initially marketed as a fast-drying alternative to wood treatments such as shellac and varnishes. It is much safer than most solvent-based lacquer paints. Set the instrument aside for the lacquer coating to fully dry and cure. Toast Favorites Msg. This Final-coat lacquer mixture leaves a thin, flat and shiny surface over the built-up lacquer film. Well that is really up to you. Never forget to maintain consistency when you layer like the first time, then allow it to get dried. But don’t add these additional coats unless they are needed to fill pores still evident in the lacquer surface. Monday-Friday 8:30am - 5:00pm PST In the early stages of spraying, the filled pores will show as very minor depressions in the dried lacquer surface. tinting nitrocellulose. Colors. Spray one wet coat over all surfaces. The more precise and thorough this fine sanding is – the easier and quicker the surface will be brought up to a high gloss during polishing. They're ideal for solidbody guitar finishes; you can experiment with pigment combinations to produce infinite colors. 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. Spray a short burst of lacquer onto a test board. Wait about 5 minutes for this coat to partially dry, then spray another coat over all parts of the instrument. The Mohawk pre-cat sprays, builds, sands & polishes just like regular nitrocellulose. Use a wet cloth to clean the surface but ensure you do not apply water in excess. If I did it again I would slightly tint the finish to better match the body, and set things up to ensure no dust. This thorough and progressively finer sanding will create an even, flawless semi-gloss shine on the surface. CUSTOM COLORS NitorLACK are the result of an exhaustive study of the historical colors of the major brands. Sand this coating level with 320 grit paper. Wet sand each working area until the surface is completely flat and dull with fine 320 grit scratches. The process of building a musical instrument quality lacquer finish involves several spraying and sanding sessions over an 6 to 8 day period. I am a newb to tinting clear nitro lacquer. Sand the dry lacquer layer flat Repeat this sanding process on the softwood top, but you may need to proceed through the finer 320 grit paper for a perfectly smooth, scratch-free surface. Repeat this sanding process on the softwood top – Sand top to 320 grit. Nut width 1-5/8" Heel width 2-3/16" Tuning Peg Hole Diameter .340" Truss Rod adjustment at heel . UK orders will continue to be shipped as normal with occasional delays in dispatch due to reduced staffing levels during social distancing requirements. Examine all surfaces very carefully, and sand out any dust or foreign particles or roughness that are found. DuPont De Nemours. Prepare the sandpaper and sanding pads for this sanding session. Increase the retarder added from 5% to 10% by volume on the third spraying over the back, sides, and neck – this will help the lacquer flow out flat and smooth over any pore depressions left in the lacquer surfaces at this stage. Let the first wet coat dry about an hour before the second coat is applied. First sanding – Wet sand the entire instrument thoroughly with 600 grit paper. While wet it will appear as it will under finish and even small scratches will be apparent. BE CAUTIOUS – Sand each surface methodically, uniformly. OPTIONAL – Spray another coating of building lacquer over the back, sides, and neck – if pore depressions are still evident. FREE Shipping. This wet sanding session is completed when the lacquer surface over the entire instrument is flat, level and dull with fine sanding scratches. Closely examine every lacquer surface for any imperfections in the flatness and smoothness of the lacquer film. An amber colour is normally a suitable shade for ‘many years of grime’ look. Tinted nitrocellulose lacquer is coloured but see-through, so the grain shows through from underneath. Regular price "Free" Spray another test on the board. Sand the dry lacquer layer flat Allow this initial Final lacquer coat to dry an hour or more. Spray even coats in a consistent direction across the guitar's top and sides, holding the can 12 to 18 inches from the guitar. Do well to ask your salesperson about the required waiting time. Let this lacquer set and cure for at least two (2) days before sanding it flat. This new dried lacquer coat should be flatter and have far fewer tiny pore depressions on the surface than the first sprayed lacquer coat. UTCs are for kicking a color, not for providing that full color strength. Evaluate and add more toner or lacquer sparingly until you achieve the color you desire. Lacquer thinner solvent is strong enough to dissolve subsequent coatings together, and it can easily dissolve a cured lacquer finish as well. Also you'll need Amber and Brown tint/dyes.You can then go 2 different routes: 1.) Olympic White Spray Nitrocellulose Lacquer. Nitrocellulose lacquer has been used to finish musical instruments for decades. Nov 29, 2017 #1 quick question. The method has been effective with motorcycle metal and garden furniture. Look very closely for any scratches still left in the wood (there should be none at this stage) and lightly sand out any dust or specks in the finish with 320 grit WET-OR-DRY sandpaper with water as a lubricant. Spray even coats in a consistent direction across the guitar's top and sides, holding the can 12 to 18 inches from the guitar. Stop and check the results. Neck Tint Amber is a yellow-amber colour akin to newly made vintage-style necks. Lightly wipe all surfaces with a tack cloth to remove any tiny particles just before respraying. Liquid Polishing Compounds – Cut polish FCP, Fine polish FFP, Super fine FSP. Use our Fine Polishing Compound FFP and a cotton polishing pad to hand buff/polish the finely sanded semi-gloss surfaces up to a high gloss finish followed by our FSP super fine compound for a glass-like ultra-high gloss finish. Apply an amber-tinted nitrocellulose lacquer. I need some advice on how many parts thinner and colorant to mix with the lacquer. Please note that where the lacquer colour shows a darker shade on the right hand side, it represents the colour of the lacquer when sprayed over with my Light Tint … 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. It finishes dry due to evaporation of one or more of the chemical components and dries quickly to a hard and durable coating. Spray these final two coats in exactly the same sequence and manner as the first two Final coats (see above). This feature makes the finishing process and any touch-up or repair easier and more controllable compared to most other finishing systems. You can still smell a slight smell of the lacquer in the house for ~24 hours. Aisha Tyler is very well known in Hollywood for being... John Gotti's Wife - Victoria DiGiorgio Wiki (Net Worth, Photos, Death, Kids) Sand all areas methodically and uniformly. Use the smaller polishing pad or a small cloth to polish the lacquer in smaller areas and tight corners. If the lacquer is too dark, add more lacquer. We use nitrocellulose lacquer and standard nitro compatible pigments for color mixes. LMI does NOT have a storefront or offer over-the-counter sales. Prepare to spray more coats of the building lacquer mixture. 220 grit WET-OR-DRY sandpaper will be used for this leveling. It should be considered when making use of a spray gun or paintbrush. NB. This very flat and smooth surface will make the fine sanding and polishing of the cured lacquer surface an easier task. Wet sand this lacquer coating flat and smooth with 320 grit paper. The nitrocellulose chemistry developed by DuPont chemists for explosives and motion picture film was modified to get a lacquer resin that could be sprayed, eliminating the need for a paint brush. Start the polishing by smearing a thin layer of the fine liquid polish FFP on the surface to be polished. All pore depressions in the filled hardwood should be totally – or nearly totally – sanded out at this stage. If it was finished in Mexico, it's for-real nitro. Polish uniformly over the entire area. ALLOW THE LACQUER TO FULLY CURE Add more polish and thoroughly polish the area again. It is hard and durable, yet flexible, and can easily be buffed to a beautiful high gloss when cured. Wet sand all surfaces with the 2000 grit sandpaper. It is best to use the lacquers in humid and warm areas; it dries slowly and is a long-lasting finish. This is a dye based nitrocellulose lacquer in Butterscotch Blonde. Make a similar, but smaller, polishing pad for polishing in smaller or tighter areas. Sadly, this painting tends to chip easily and makes it necessary to get it repainted constantly. If the surfaces are completely flat, smooth and pore-free – the building of the lacquer is complete. Wipe off the water again and examine the surface. Lacquer takes a long time to dry hard enough to be polished, and that makes it a slow finish to complete. After 45-minutes or so, apply another, more deliberate "wet-coat." Begin polishing the lacquer with the Fine Polish. Nitrocellulose lacquer for guitar finishing Nitrocellulose lacquer for guitar finishing. So don’t hurry, make sure an area is absolutely complete before moving to polish another. 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. Easy-to-use bases for the production of tinted enamel systems; High-solids for rapid film build; Resin-solvent combination This has a high level of transparency and will reveal the grain of the wood. This is the lacquer recipe we will use for the “building” coats – the lacquer mixture is thick enough to build depth, but is thinned and retarded enough to flow out flat and smooth over the surface. The intent of the Final coats of lacquer, then, is not to build more lacquer but rather to leave the final sprayed lacquer surface as flat, smooth and glossy as it can be. This lacquer solution will have more thinner and lacquer retarder than the Build lacquer mixture. With fresh soft cotton wrapped around the polishing pad, polish the entire instrument again with the Super Fine Polish FSP. Amber Gloss Spray Nitrocellulose Lacquer. Wet and sand this area again with the objective (see above) in mind. This is thin material so it will build up and drip easily without continuous movement of the spray gun over the instrument. This final ultra-fine sanding session may be shorter and easier than the first two. Mix additional “building” lacquer if it is needed. The entire finishing process described here – from sealing the wood to polishing the cured lacquer – will take from 14 to 21 days to complete. This polish is the lubricant, and the abrasive, for the polishing pad. The painting process previously lacquered is different from the way plain wood is painted, and it is a more difficult project to take on. The Basics: Nitrocellulose, Acrylic lacquer, or Catalyzed lacquer Use your own discretion. Clear nitrocellulose lacquer can be used over the tinted lacquers, to give a protective top coat that can be polished to a high gloss. Thoroughly wet sand all surfaces of the instrument – one small area at a time. LACQUER FINISHING PROCESS – SIMPLE OUTLINE. side to side). (12oz. Because of this, lacquer is only recommended for antiques or other cars that see very little drive time. 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. This entire polishing process may take two to three hours to complete. guitar paint, nitrocellulose lacquer, tinted lacquer, nitrocellulose guitar paint Covid19. Windsor, California 95492 Continue wet sanding. This is a link for a book explaining the different kinds of lacquers made with Nitrocellulose. These aerosol colors are a special formulation of nitrocellulose lacquer with transparent stain and solvent designed for lutherie work. Toll Free: 1-800-477-4437International: 707-687-2020 It should be noted, though, that the thin sealer used in the initial stages can be applied by brush as easily as sprayed, and that the clear lacquer can also be applied by brush successfully if it is slightly thinned (15-20%) with lacquer retarder. Spray two (2) coats of this Final lacquer over the entire instrument. Headstock Drilling and Slotting Jig - NEW! Q. FURTHER COMMENTS AND PROCESS ALTERNATIVES, 7975 Cameron Drive, Bldg. 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. The crucial bit is the nitrocellulose finish because if it’s poly, oil, acrylic or anything else, none of the following techniques will work. Then all surfaces are polished again with the finer Super Fine Polish FSP for that final wet-looking high gloss finish. You have entered an incorrect email address! LMI does NOT have a storefront or offer over-the-counter sales. Sand each area until all of the 600 grit scratches are completely removed from the surface. Wait 5 minutes before spraying the second coat. Two or more colors can be combined to make a variety of shades. up and down) over each surface. Apart from the above, small cracks can appear in a nitro finish after several years too. Thin the lacquer about 25% with lacquer thinner (3 parts lacquer to 1 part thinner). Shake the can for at … Remember — this is just one particular lacquering process among many that can achieve a musical instrument quality high gloss lacquer finish. Covid19. 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By FedEx only each surface methodically, uniformly made with nitrocellulose polishing by smearing a thin, flat and surface.