Step 6 … I may not be in the best forum for my question, please advise if that's so. I have been refurbishing a violin , removing all original paint (yes, paint! You can always thin out pre-made shellac by adding denatured alcohol. 99 (32) View Wishlist … Shellac uses denatured alcohol rather than water as its carrier (and thinner, if needed). Ammonia breaks down the shellac so that washing the brush with mild detergent and warm water, after a soak in ammonia, will completely remove all traces of the shellac. Shot it with about 8 thin coats and got a mirror finish, almost … Acetone is especially effective with shellac and every type of lacquer. 1 How to Tint Lacquer 2 How to … If it is too thin, the lacquer comes out as a mist that won't reform on the surface of the wood and dries rough. The spray format is perfect for crafts and small projects. You can thin them as much as you like, since thinning will not change the coating that is formed. Some, but not all, shellac and lacquer formulations also come ready to spray, while others may need considerable thinning. The last project I sprayed was a turned black walnut ring holder. However you apply the shellac, allow the first coat to dry about two hours, then sand with gray, 320-grit stearated (self-lubricated) sandpaper just enough to remove dust nibs and raised grain. As the original, shellac-base primer-sealer, nothing is better at permanently blocking stains, odors and wood knots. First I considered sanding all the shellac off, but didn't think that would be a good idea, as my top was pretty thin already, and I didn't want to over-sand it. Apply the coat quickly, but do not attempt to re-brush before … Shellac’s quick dry time reduces runs. Shellac-base primer-sealer; For interior and spot exterior use; Greatest stain sealer; Seals knots and sap streaks; Seals pet, smoke and musty odors; Sticks to all surfaces without sanding ; Lightning fast dry - recoat in 45 minutes; FOR BEST RESULTS. Use a light touch … Another solution may be this technique shared with me during a seminar in New Jersey this past weekend. This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. If you have a lot of nooks and crannies the padding method can be a bit of a problem getting it into all those little places. That said, … It was a bit of a disaster really as pretty quickly it dried out in my hopper and tubes and came out like play doh! (Photo by Lee Valley Tools) Thinning lacquer Lacquer thinner is the thinner for any type of lacquer, whether for a nitrocellulose brushing lacquer, or a nitrocellulose, CAB-acrylic, or catalyzed spray lacquer. Zinsser Bulls Eye Shellac, 473... (6) 4.0 out of 5 stars. cut de-waxed shellac applied by rag. I prefer spraying, though sometimes it's just as easy to pad it on. Discussion in 'Spray Painting' started by joe brierley, Mar 26, 2018. As for spraying shellac, it's done all the time, … Add To Cart Product Details Specifications Reviews Questions Products You May Also Like. It only takes a few seconds for the alcohol to gas off enough for me to turn the dulcimer over, or hang it up out of the way. ), staining , sealing, and now applying shellac… The flake mixed with DNA is better than the hardware store canned. Common shellac thinning ratios range from a two- to a five-pound cut. An uneven spray pattern, sputtering gun or grainy feel to the surface after the lacquer dries are all signs that the lacquer should be thinned. Since the Zinsser Seal Coat is a 2 pound cut out of the can, I dilute with equal parts denatured alcohol. Page 1 of 2 1 2 Next > joe brierley PPS Craftsman Bar Member. 6 reviews. If you are new to spraying, let me strongly suggest you get some cardboard boxes and practice spraying on them. If all this isn’t enough to make you question the wisdom of using shellac as a sealer when you don’t have one of the problems mentioned, consider that shellac is a relatively difficult finish to sand. This week I want to discuss spraying finishes. I can apply shellac 2 ways; 1)pad it on (with a rag ball) and 2) spray it. Clean up for shellac-based primers require denatured alcohol/solvents. Open it up. The shellac settles on the bottom of the can so once my furniture is ready for primer (ie cleaned and sanded) I give the can a good shake. I'm hoping to spray … For those reasons, I spray shellac, but I know that there are still those out there who won’t take a dip in the spray finishing pool. This is the way … For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. Use a 2-inch natural bristle brush. To spray the shellac I used the standard #4 needle on the Fuji - gold cap 1.4mm. Always wear safety glasses and breathing protection when working with lacquer or any finishing product. It will explain the equipment and … For WB lacquer I used the #3 needle (blue cap) which is 1mm. Should you choose to spray, the gun clean up is easier with household ammonia (mixed in warm water in … Varnish dries much slower than the other finishes, and unlike lacquer, shellac and water-based finish, each coat should be allowed to fully dry before the next coat is sprayed. Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. Alternatively, you can use a sprayer to spray on shellac. Just as thinning shellac reduces brush marks during brushing, thinning reduces orange peel while spraying. Spraying Shellac - problem has 'surfaced' Thread starter donnyb; Start date Apr 28, 2018; D. donnyb Member. Denatured alcohol is ethyl alcohol, or ethane (a two carbon molecule, as you surely know with some toxins added … Unless you thin shellac a good deal, it has a tendency to ridge at the edge of brush strokes and orange peel when sprayed. The tacky stage may … Explosion Danger of spraying shellac Shellac is thinned with denatured alcohol, when sprayed the alcohol is very explosive, because it becomes oxygenated. Product. But you need to be aware of a significant difference. For spraying where I want to build with multiple thin coats, I use pretty thin material - for shellac think in terms of 1 pound cut. You also use it for cleaning your brushes and spray equipment. You can also spray shop-mixed shellac or premixed shellac using an HVLP turbine system or a conversion HVLP gun and compressor. I've only sprayed zinsser bin once before when I was new to spraying. Also, Zinsser Perma-White is a "self-priming" paint that will stick to most anything, and likely would have done best in this test. I spray shellac with my Pasche air brush using the largest tip available and I think I’m running about 25psi. Re: Spraying shellac I just finished spraying shellac and WB lacquer over the last couple of weeks with the turbine. I always get asked if I like to spray my poly or other finishes. But, when we wash the brush in warm water and detergent (after cleaning in … I good book like Charron's Spray Finishing will get you down the road faster. (Four pounds of shellac flakes thinned with one gallon of alcohol produce a four-pound-cut shellac.) 49 (40) View Wishlist Added to Wishlist Minwax Wood Finish From $8. As long as the temperature is higher than 10 degrees you should be fine. This provides all the benefits of a spray can, with the added ability to tint or thin the finish to fit … Oil-based varnish, including polyurethane varnish and oil paint, can also be sprayed, of course, because any thin liquid can be sprayed. It runs and drools much easier than lacquer. A light tapping will eliminate air bubbles in the shellac as well as any excess. Use only in well-ventilated areas. Check specific manufacturer's recommendations for proportions for thinning shellac with denatured alcohol. Apr 28, 2018 #1 Hello , thankyou for checking this out. Just strain the shellac with a strainer while putting into the sprayer. FREE From $20.99. Don't spray a real item until you are satisfied that you can lay down a good finish. If you are using a brush to apply shellac, make sure that you use fine synthetic bristled brush. Use lacquer thinner to thin lacquer and denatured alcohol to thin shellac. BIN is pretty darn thin. Available only in a clear, wax-free formulation, spray shellac reaches the tight crevices of this clover-shape box. I don a pair of thin gloves, dip a rag, sponge or Scotchbrite pad into the shellac, flood it onto the wood, then wipe it off … Note that if you let a primer or paint cure between coats, then you will likely need to de-gloss it before the next coat. Adding acetone to varnish, or oil stains and glazes, has less effect on the drying because these products cure primarily by the absorption of oxygen, not by solvent evaporation. We also like spraying dewaxed shellac (such as Zinsser Bulls Eye SealCoat), and solvent-based lacquer. Lightly tap the brush against the side of the container to eliminate excess. Thinning is nothing fancy, pour some shellac in the jar add some alcohol and see if it sprays. Water-based finishes, however, tend to coagulate when acetone is added. It gums up sandpaper unless applied very thin. I generally spray a 1 1/2# cut (with a 2mm needle), and use either 99% isopropyl alcohol or denatured alcohol, depending upon the temperature/humidity. SUNDAY: Then I read on some forums that you can remove shellac with alcohol, so that's what I just did this afternoon. Step 5 Dip the paintbrush into the shellac, filling only half of the brush. I always start with a sealer coat of 2 lb. Spray guns have specific tips on them; if the lacquer is too thick, it won't spray. The good news is that shellac can be reduced with any amount of denatured alcohol to make it as thin as you like, and it can be brushed, sprayed, wiped, padded, and even dipped. But everyone who has used shellac for a while knows that the longer the shellac has been in its dissolved state the slower it dries and the less hard and water resistant it becomes. So I lay my dulcimers flat on a turntable, and spray that way. 3 Remove the cup and pour in about 1 … It’s because of this deterioration that many woodworkers recommend dissolving one’s own shellac flakes in denatured alcohol and using the shellac soon thereafter. Use thin coats, not thick, and let then dry as RECOMMENDED between coats. Use this chart to mix the desired amount of shellac: 1-lb cut 1.5-lb cut 2-lb cut 3-lb cut Behkol solvent; 16.0 oz : 24.0 oz: 32.0 oz: 48.0 oz: 1 gallon / 128 oz: 8.0 oz: 12.0 oz: 16.0 oz: 24.0 oz: 2 quart / 64 oz: … I LOVE IT!!! If you use it alone, or topcoat with regular shellac, you’ll get a … … STEP 2: … Spraying shellac is no different than spraying other finishes. That being said, the area could be spot repaired with a fad via french polish and shellac without lacquer. View Wishlist Added to Wishlist Minwax Fast-Drying Polyurethane From $10. you may like. It can be ignited by a motor, fan or air conditioner, or any spark, flame. You should test first. Yes, shellac is a great barrier coat and wash coat, lacquer works well over it. The oil allows the cloth to flow over the shellac … It will merely allow you to spray less finish per pass and drop the … Use indoors … The technique is to add mineral oil to shellac in a ratio of 25 percent oil to 75 percent shellac. … Re: Thinning Shellac Mike, If my memory of some rather long-ago chemistry classes has not totally failed me, methyl hydrate is a common name for methyl alcohol It is methane (natural gas) with one hydrogen replaced by a "hydrate" group, or simply, an -OH group. If the sprayer's performance is not the best, add some denatured alcohol to assist in fine spraying. Messages 552. On hot, high humidity days here on the Gulf Coast I find 99% isopropyl is less prone to blush. Thinning Shellac – Great for thinning any shellac product, this product is also compatible with some lacquers. The answer is YES!!!! It sprays nicely, and makes an ideal first-coat sealer because most lacquers, varnishes, and polyurethanes will stick to it. Then give it a really good stir. In-Store pick up. Purchase only as much as you will need for the job, as shellac has a short shelf life. Spray the shellac thin, just like you would lacquer, but you have to be very careful if spraying it vertically. When we clean a varnish brush with paint thinner we are only thinning the varnish; some of the varnish remains to cure in the brush. STEP #2:: Pour Onto Paper Plate. Finishes like shellac, lacquer and waterbornes spray well. Spraying BIN / Shellac. Zinsser Shellac (they no longer call the Seal Coat Shellac) is a 3 pound cut out of the can - you actually get 1 1/2 times as much shellac … If not add more alcohol until it sprays. I have a bed of nails on the turntable … Down a good finish of 25 percent oil to 75 percent shellac. add oil! 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