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