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. Since the Zinsser Seal Coat is a 2 pound cut out of the can, I dilute with equal parts denatured alcohol. Use thin coats, not thick, and let then dry as RECOMMENDED between coats. (Four pounds of shellac flakes thinned with one gallon of alcohol produce a four-pound-cut shellac.) The flake mixed with DNA is better than the hardware store canned. Just as thinning shellac reduces brush marks during brushing, thinning reduces orange peel while spraying. STEP 2: … It can be ignited by a motor, fan or air conditioner, or any spark, flame. I good book like Charron's Spray Finishing will get you down the road faster. 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. It sprays nicely, and makes an ideal first-coat sealer because most lacquers, varnishes, and polyurethanes will stick to it. 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. 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. If you are new to spraying, let me strongly suggest you get some cardboard boxes and practice spraying on them. But you need to be aware of a significant difference. Apply the coat quickly, but do not attempt to re-brush before … I'm hoping to spray … It will merely allow you to spray less finish per pass and drop the … This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. 1 How to Tint Lacquer 2 How to … Spraying BIN / Shellac. 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. 49 (40) View Wishlist Added to Wishlist Minwax Wood Finish From $8. Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. 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. I always start with a sealer coat of 2 lb. That being said, the area could be spot repaired with a fad via french polish and shellac without lacquer. Acetone is especially effective with shellac and every type of lacquer. Zinsser Bulls Eye Shellac, 473... (6) 4.0 out of 5 stars. Finishes like shellac, lacquer and waterbornes spray well. Open it up. If you use it alone, or topcoat with regular shellac, you’ll get a … It will explain the equipment and … Apr 28, 2018 #1 Hello , thankyou for checking this out. You can also spray shop-mixed shellac or premixed shellac using an HVLP turbine system or a conversion HVLP gun and compressor. Denatured alcohol is ethyl alcohol, or ethane (a two carbon molecule, as you surely know with some toxins added … Use indoors … Page 1 of 2 1 2 Next > joe brierley PPS Craftsman Bar Member. (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. 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: … For WB lacquer I used the #3 needle (blue cap) which is 1mm. 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. … Step 5 Dip the paintbrush into the shellac, filling only half of the brush. Use only in well-ventilated areas. Use lacquer thinner to thin lacquer and denatured alcohol to thin shellac. Purchase only as much as you will need for the job, as shellac has a short shelf life. 99 (32) View Wishlist … If you are using a brush to apply shellac, make sure that you use fine synthetic bristled brush. Spray the shellac thin, just like you would lacquer, but you have to be very careful if spraying it vertically. As for spraying shellac, it's done all the time, … View Wishlist Added to Wishlist Minwax Fast-Drying Polyurethane From $10. Then give it a really good stir. The answer is YES!!!! It gums up sandpaper unless applied very thin. The last project I sprayed was a turned black walnut ring holder. 6 reviews. 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. The technique is to add mineral oil to shellac in a ratio of 25 percent oil to 75 percent shellac. Use a 2-inch natural bristle brush. 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. Just strain the shellac with a strainer while putting into the sprayer. 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. I prefer spraying, though sometimes it's just as easy to pad it on. For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. BIN is pretty darn thin. This provides all the benefits of a spray can, with the added ability to tint or thin the finish to fit … Add To Cart Product Details Specifications Reviews Questions Products You May Also Like. Use a light touch … Don't spray a real item until you are satisfied that you can lay down a good finish. Some, but not all, shellac and lacquer formulations also come ready to spray, while others may need considerable thinning. cut de-waxed shellac applied by rag. I spray shellac with my Pasche air brush using the largest tip available and I think I’m running about 25psi. 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. Spray guns have specific tips on them; if the lacquer is too thick, it won't spray. I have been refurbishing a violin , removing all original paint (yes, paint! FREE From $20.99. Yes, shellac is a great barrier coat and wash coat, lacquer works well over it. We also like spraying dewaxed shellac (such as Zinsser Bulls Eye SealCoat), and solvent-based lacquer. Another solution may be this technique shared with me during a seminar in New Jersey this past weekend. Water-based finishes, however, tend to coagulate when acetone is added. Available only in a clear, wax-free formulation, spray shellac reaches the tight crevices of this clover-shape box. Shellac uses denatured alcohol rather than water as its carrier (and thinner, if needed). It runs and drools much easier than lacquer. Common shellac thinning ratios range from a two- to a five-pound cut. As long as the temperature is higher than 10 degrees you should be fine. 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. STEP #2:: Pour Onto Paper Plate. ), staining , sealing, and now applying shellac… In-Store pick up. This is the way … Check specific manufacturer's recommendations for proportions for thinning shellac with denatured alcohol. 3 Remove the cup and pour in about 1 … Shellac’s quick dry time reduces runs. 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 … You can thin them as much as you like, since thinning will not change the coating that is formed. 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. I may not be in the best forum for my question, please advise if that's so. 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! That said, … 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. Product. The tacky stage may … Step 6 … As the original, shellac-base primer-sealer, nothing is better at permanently blocking stains, odors and wood knots. Messages 552. I LOVE IT!!! Should you choose to spray, the gun clean up is easier with household ammonia (mixed in warm water in … The oil allows the cloth to flow over the shellac … 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. I can apply shellac 2 ways; 1)pad it on (with a rag ball) and 2) spray it. 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. Thinning Shellac – Great for thinning any shellac product, this product is also compatible with some lacquers. You can always thin out pre-made shellac by adding denatured alcohol. 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. Spraying shellac is no different than spraying other finishes. Shot it with about 8 thin coats and got a mirror finish, almost … 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. Unless you thin shellac a good deal, it has a tendency to ridge at the edge of brush strokes and orange peel when sprayed. Lightly tap the brush against the side of the container to eliminate excess. Clean up for shellac-based primers require denatured alcohol/solvents. 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. I have a bed of nails on the turntable … You also use it for cleaning your brushes and spray equipment. SUNDAY: Then I read on some forums that you can remove shellac with alcohol, so that's what I just did this afternoon. Spraying Shellac - problem has 'surfaced' Thread starter donnyb; Start date Apr 28, 2018; D. donnyb Member. Thinning is nothing fancy, pour some shellac in the jar add some alcohol and see if it sprays. Always wear safety glasses and breathing protection when working with lacquer or any finishing product. … you may like. But, when we wash the brush in warm water and detergent (after cleaning in … If not add more alcohol until it sprays. This week I want to discuss spraying finishes. You should test first. 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 … A light tapping will eliminate air bubbles in the shellac as well as any excess. Explosion Danger of spraying shellac Shellac is thinned with denatured alcohol, when sprayed the alcohol is very explosive, because it becomes oxygenated. 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. The spray format is perfect for crafts and small projects. Also, Zinsser Perma-White is a "self-priming" paint that will stick to most anything, and likely would have done best in this test. If the sprayer's performance is not the best, add some denatured alcohol to assist in fine spraying. I've only sprayed zinsser bin once before when I was new to spraying. On hot, high humidity days here on the Gulf Coast I find 99% isopropyl is less prone to blush. Discussion in 'Spray Painting' started by joe brierley, Mar 26, 2018. I always get asked if I like to spray my poly or other finishes. Alternatively, you can use a sprayer to spray on shellac. Oil-based varnish, including polyurethane varnish and oil paint, can also be sprayed, of course, because any thin liquid can be sprayed. To spray the shellac I used the standard #4 needle on the Fuji - gold cap 1.4mm. 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. Re: Spraying shellac I just finished spraying shellac and WB lacquer over the last couple of weeks with the turbine. Reduces orange peel while spraying finish From $ 8 Wood finish From $ 8 Zinsser Coat... Violin, removing all original paint ( yes, paint any spark, flame a Coat. 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In new Jersey this past weekend Check specific manufacturer 's recommendations for proportions thinning. From $ 10 it can be ignited by a motor, fan or air conditioner or.