Fold a sheet of sandpaper in half, cut or tear it into two pieces. 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. Spray two (2) wet coats of this building lacquer over the entire instrument. Cut or tear these four (4) pieces in half. A cigar box guitar uses a cigar box as the body with a fretted neck and three strings. Lightly wipe the surfaces clean with a tack cloth just before spraying again. Depends what kind of lacquer. In addition to online sales our trade counter is located in Stockport, Cheshire and is open to the public and trade customers. This polishing session will go much quicker than the first and will bring the lacquer surface to an even higher gloss – almost wet looking. Sand this third coating level with 320 grit paper. This leveling should be even and uniform over the entire sanded surface. Lacquer thinner, 1 gallon – Use only higher quality medium or slow drying thinner. Allow finish to dry 24 hours before light use. Very lightly sand the raised grain roughness from all surfaces with 320 grit paper backed by a block or pad. Will the paint or lacquer affect the tone of the guitar? This wet sanding session is very important to establishing the flatness of the final gloss surface. Just like we used sanding blocks and pads when we sanded the finish, we will use the liquid polish with a polishing pad. If the surfaces are completely flat, smooth and pore-free – the building of the lacquer is complete. This coat will dry to the touch in 20 to 30 minutes. Nitrocellulose lacquer is made by mixing fast-drying solvents with wood and cotton pulp containing cellulose that has been broken down by nitric and sulfuric acid. The better you get at spraying, the fewer coats you will need before flatting back. This thin sealing coat will form a thin barrier on the wood surface and in the pores that will make the pore filling process easier and keep the pore filler from staining the raw wood surface. 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. Now add a small amount of lacquer retarder (very slow thinner) to the lacquer solution, enough to equal about 10% of the total solution. 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. Some finishers will wipe these surfaces with a cloth damp with water to raise the grain, then repeat the final sanding and cleaning. Adjust air pressure and lacquer feed at the spray gun for the best spray pattern with this thin solution. Be aware that adding any retarder to lacquer slows the drying and may affect your production (more time between coats and more time before you can deliver or stack parts). Bronze fret wire, brass fret wire, nickel free fret wire, sintoms fret wire, Fret wire, sintoms fret wire, nickel silver, equal height, equal height fret wire. Nitrocellulose is a hard, fast drying resin that has very limited solubility in most solvents. POLISH THE FINELY SANDED LACQUER TO A HIGH GLOSS Prepare the lacquer mixture for the Final coat. 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. 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. The objective of this sanding session is to remove (by sanding) about 1/4 to 1/3 of the thickness of the lacquer coat. Toll Free: 1-800-477-4437International: 707-687-2020 Sand all areas methodically and uniformly. Very lightly sand the raised grain roughness from all surfaces with 320 grit paper. Titebond original, titebond liquid hide, superglue, cyanoacrylate glues, black superglues. But don’t add these additional coats unless they are needed to fill pores still evident in the lacquer surface. Wipe all surfaces with a tack cloth to remove any fine dust particles just before spraying. You can rub it out within a couple of days. Wet sand all surfaces with the 2000 grit sandpaper. If you apply 0.5mm of lacquer, it may well affect the tone. Start the polishing by smearing a thin layer of the fine liquid polish FFP on the surface to be polished. There should be eight (8) individual pieces 2 3/4″ X 4 1/4″. Finishers with some experience may find it beneficial to slightly alter the mixtures of the lacquer solutions so that they spray well in their particular locale or shop situation. Drying Time Some wood finishes may take days to dry, but lacquer will dry in 15 to 30 minutes. (Cardinal does not recommend this step for their product.). Wide range Microplane rasps, router bits, profiling blocks, scrapers and reamers, Scratchplate and Pickguard Materials and Finished Scratchplates. Let this thin, initial coat of lacquer dry for at least an hour or two before proceeding. An improved nitrocellulose lacquer containing small amounts of water-soluble gelatin of molecular weight range of 15,000 to 250,000 and an acrylic copolymer and a novel process for dispersing and incorporating the gelatin are disclosed. Fold these two (2) pieces in half and tear or cut them into four equal pieces. Use fresh sandpaper and lubricant often, and sand each lacquer surface to the same flat, dull (no shiny spots), flaw-free finish. The instrument is ready for finishing. That is why lacquers dry so quickly -- within 5 to 10 minutes -- ⦠Nitrocellulose lacquer was initially marketed as a fast-drying alternative to wood treatments such as shellac and varnishes. 1. A lacquer or paint finish on an acoustic instrument is designed to protect the wood from dirty fingermarks, grease, tomato sauce spills etc. up and down) over each surface. Only sand if dust, a fly, or a run appears on your handy work. Regular lacquer thinner will slow the drying considerably because the solvents in this thinner evaporate much slower than acetone. Spray two (2) more wet coats of the building lacquer over the entire instrument. Wipe the water and lacquer slurry from the surface often to check your progress. 2. Soundboards For acoustic and classical guitars. There should be eight (8) individual pieces 2 3/4″ X 4 1/4″. End polishing with the Fine Polish. Use the paper liberally, it works best when it is fresh and sharp. All pore depressions in the filled hardwood should be totally – or nearly totally – sanded out at this stage. WET-OR-DRY Sandpapers – 220/320 grits for leveling lacquer build coats. Wet sand each working area until the surface is completely flat and dull with fine 320 grit scratches. Seal the entire instrument with a wash coat of thinned Vinyl Sealer. Follow these steps for the spraying and sanding details. We will sand all lacquer surfaces with WET-OR-DRY sandpaper – of varying grits – using water as the sanding lubricant. Be patient. Nitrocellulose lacquer has been used to finish musical instruments for decades. Use your own discretion. Spray over the surfaces in the other direction (e.g. This polish is the lubricant, and the abrasive, for the polishing pad. Monday-Friday 8:30am - 5:00pm PST It's relatively quick to dry "to the touch", but it gradually hardens over time. Several thin coats of lacquer are hand-sprayed onto the guitar, allowing ample drying time in between, then laboriously buffed to a hard, high-sheen finish. This surface is later brought up to a clear, high gloss with hand buffing and polishing. 5. 24 hours is a good rule of thumb with lacquer for both minimal time to packing and to rubbing out. It is Spray four (4) coats of the thin final lacquer. We suggest using the maximum drying times indicated at each stage. Mask off the fingerboard and cover the soundhole. A variety of lengths covering classical through to bass guitars.. Ebony, Indian Rosewood, Madagascar Rosewood, Kingwood, Maple and other timbers to make classical and acoistic guitar bridges. A question of trial and error a dust mask when sanding with the objective of building. Router bits, profiling blocks, scrapers and reamers, and does cure chemically a. Soap to the pad, or more final wet-looking high gloss lacquer finish removed... 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