Sand lightly between coats. The first is that there is no industry regulation regarding what precisely constitutes denatured alcohol. If you aren’t familiar with shellac dilutions, here’s the quick primer. JavaScript seems to be disabled in your browser. Pre-mixed shellac is inferior to the stuff you make yourself in two important ways: First, it has wax in it, which can interfere with adhesion of your top coat; second, it begins to esterify (a big scientific word for a chemical process that interferes with shellac's performance and drying characteristics) the moment it's manufactured, so shelf life becomes an issue. Do not use cotton T-shirt type cloth or cheesecloth. Should I use wax? Yes, you should cut it by about 1/3. I can’t say for sure that this method will produce an exact 2lb cut. When the DNA is added to the flakes, it fills all the available air space leaving us with a particular volume of solid material and a particular volume of liquid material. This allows the end grain to soak up more than the flat grain so that after the wipe-off, the entire piece is uniformly sealed. (Michael Dresdner) "The 'best' way is whatever works best for you. shellac using a brush to cut in corners and edges. range - you can use a brush or a rag to apply the shellac. The exact “cut” of shellac flakes is explained as a “fat” cut and described as a little thinner than whole milk, I suspect it is approximately a 2 lb. Jarred sauce! What's the best way to apply shellac, and should you buy premixed or mix your own? I prefer to use shellac in a container. Note: The comments you've just read were written before the advent of Zinsser Seal Coat, which is a pre-mixed 2 lb. A. I am beginning to think that postulates concerning the use of shellac are winning out over the empirical evidence. Do not shake the shellac but rather stir it or roll the container in your hands prior or use a stir stick. MSDS states 85-95% ethanol, and I think 5% isopropyl. About half-way down from the first line mark another line. However, it has some problems when it comes to shellac. Apply shellac to 2 or 3 board widths at a time, laying the product down in a smooth, even brushing motion. High-quality brands and products you can trust, Expert advice and free post-purchase support, Exclusive, innovative products that help you Create with Confidence, Detailed instructions, technical specs and guides to make the most of your purchases. So, 1 pound of flakes mixed in 1 gallon of alcohol makes a 1-pound cut. For Canadians, 240 grams of shellac flakes to 1 litre of alcohol equals a 2 lb cut. The shellac I sprayed was Zinser 3# white, cut in half with the appropriate alcohol. Shellac. *Note* – This is a clip from a 2008 video. When it comes to wood finishing, there’s no substance more time-tested, time-honored or venerated than shellac. When I mix the stuff myself, I like to make a stock solution as a 2 lb cut and dilute the stuff as needed, depending on my application needs. You can, of course, easily thin down a thick shellac. It is like shellac in that respect. This means that some brands are cut with water to increase their volume, often by as much as 20%. While wood conditioner helps in that situation, it is often not adequate. Easy to go the other way (1 gal of DNA weighs about 6.6 lbs, so by weight, you want about a 3:1 ratio of DNA to flakes to get a 2lb cut). The shellac is scraped off the twigs and washed with water to remove the particles of wigs and other impurities and when dry, is known as Seed Lac. Shellac is a film-forming finish, and provides good protection from moisture. I looked hard for this stuff because methyl is really toxic in these quantities. To make a 2 lb cut, I don’t rely on scales and graduated cylinders. Use a two or three-pound cut of shellac and apply generously with long, smooth strokes. Also, about the spray gun cleaning - I use only one gun, spraying lacquer thinner through it after every use. Pour in Behkol solvent or denatured alcohol and set the mixture aside to dissolve. For thinner coats - in the 1-2 lb. There’s a handy chart here that helps you through the math for smaller portions. It should be as lint-free as possible. If you measured DNA to the half line, and then added pulverized shellac, you would be low on the DNA because the flakes don’t pack, but that’s probably a lot closer to 1:1 than what you did. Manufacturer guarantees/warranties for power tools, CNC and laser products will supersede the Rockler Guarantee if these items are damaged or defective. A 1b cut is 1 US gallon of denatured alcohol to 1lb (16oz) shellac flakes.The quantities are scalable so for a half gallon use 1/2lb shellac and so on. Do not use cotton T-shirt type cloth or cheese-cloth. As long as it is dewaxed, you can use shellac under virtually any other finish. This is your shellac flake line. In doing some research I found a product called Bio Flame. Remember, the lb cut of shellac is just a number. Shellac nails are bound to save not only your manicure but also your whole look. Mixed with shellac, it will produce a serviceable finish. Common shellac thinning ratios range from a two- to a five-pound cut. Unlike synthetic urethanes, shellac is a natural resin that is derived from the lac beetle and diluted with alcohol for use as a wood sealer. If you want to build a shellac finish, use heavier cuts - 3 lb. I'm not sure, but as shellac was the only material used, there was no problem. We proudly stand behind all of our products. For the best experience on our site, be sure to turn on Javascript in your browser. Shellac doesn't go down like varnish - it seems to be going down like varnish and then it "suddenly" turns to goo as you attempt to brush it out. 1. Most pre-mixed shellac is sold as a 3 lb cut and is usually diluted before application. If you want to build a shellac finish, use heavier cuts - 3 lb. I mistakenly used a 2:1 cut of shellac as a seal cut on oak. I’m totally taking away your Italian card. Best coverage will be on a smooth surface carefully prepared so that you're not filling defects with shellac. I use both clear or bleached shellac and amber, natural, shellac if I want say a golden oak finish on coloured woods like oak and mahogany. When you pulverize the flakes, the volume goes way down. The Wood Whisperer is proudly sponsored by brands that Marc trusts. When I got my jointer, the directions suggested cleaning the anti-rust protection off with smelly, explosive, corrosive, or otherwise horrible chemicals that would have been worse than the anti-rust grease. Congratulations, you now have an approximate 2 lb cut of shellac. P.S. When buying shellac you will run into standard, and dewaxed variations. https://thewoodwhisperer.com/articles/blotch-control-to-rule-them-all Be sure to leave enough room for shaking and mixing. Sort of off topic.. Use a 2 lb. F. 10/12/2010 Chuck Nickerson. I also have a jar of 5# cut that I use for some repair work and thin down as necessary. In this form it is known as Stick Lac. If it’s going to be your final finish, it’s ok to use … cut de-waxed shellac applied by rag. A 3 pound cut is generally reserved for priming or sealing of stains, and sap, or knots prior to painting, especially on softer woods. Do check your technician’s credentials. Learn more about shellac wood finish here. Plus it works in the place of so many things that smell far worse. Cut a piece of cloth roughly 10"-12" square. Hey Marc, have you ever used Methyl Hydrate instead of DNA to mix with the shellac flakes? Instead, I ballpark it with a quick & dirty recipe. Most pre-mixed shellac is sold as a 3 lb cut and is usually diluted before application. A. You may also return purchases to a Rockler store near you for store credit. Colinsthename May 2, 2016. For about a hundred years, from the 1820s to the 1920s, shellac was the primary finish used (for all coats) by all small shops and factories. The most common cuts you’ll come across are 3 lb, 2 lb and 1 lb. Q. This only took a short time more than my regular 2# cut to dissolve. By the way, this isn’t a new concept. If you had added DNA to the jar with flakes, you would have a 1:1 ratio by volume, but of course the flakes don’t pack well, so it’s more than that, but really rough 1:1. Always use a Dewaxed Shellac as a primer under paint or as a seal-coat under clear finishes. Don’t overthink it. … 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 while it is still wet. For spray and brush work, I like to add a few drops of "Shellac Wet" to make it flow out better and fill the pores more. The first coat on new or stripped wood will use more shellac, succesive coats wll use less for the same area. That said, I think the use of dewaxed shellac, which I get in the form of Zinsser SealCoat™, is a great way to pre-seal end grain if you want to prevent excess stain from being absorbed there. It’s practical to make a 2lb cut for general application. It leaves a glossy finish if applied thick enough and buffed out. Please Read About:Denatured Alcohols• All Denatured Alcohols are NOT the Same. (Some finishes won't stick to the wax in natural shellac.) I’ve been using it for shellac and had no problems dissolving it. No mention of alcohol, which worked perfectly and left a fine bouquet. Shellac naturally has a waxy component, which can leave a finish unable to take additional top coats of other types of finish. Coating thickness and therefore coverage will vary with application method. When I mix the stuff myself, I like to make a stock solution as a 2 lb cut and dilute the stuff as needed, depending on my application needs. Designed and developed by Underscorefunk Design. (Ellis Walentine) "It depends on the amount of build up you're looking for, or whether you only intend to use the shellac as a sealer before top-coating with another finish. I always give honest opinions, findings, and experiences on products. Options You Have When Buying Shellac. And yeah, I love the smell of denatured alcohol, too. What cut of shellac should I use? Materials you'll need: -Shellac (In this case I made a batch of 2 lb. What really matters is how it applies to the surface. If for any reason you are not satisfied with the merchandise you ordered, just return it within 90 days to receive a refund in the manner of original payment for merchandise only. For thinner coats - in the 1-2 lb. While many prefer a “two-pound cut,” I prefer to apply more thin coats than a few thick coats. Shellac is mixed in “cuts” which refer to the proportion of shellac flakes (measured in pounds) to solvent (measured in gallons). cut shellac and some padding cloth, which is available from finishing suppliers as trace cloth or French polishing cloth. The most common cuts you’ll come across are 3 lb, 2 lb and 1 lb. That is one pound of shellac per 1 gallon of Everclear. 2lbs to one gallon (2lb cut) is of course mixing volume and weight. is about right - and brush it on with a badger or china bristle brush. Found at home hardware. ", From the Woodworker's Journal eZine archives. Pulverizing wouldn’t change that, and a cheapo scale would allow you to “tare” out the bottle, add the DNA to any amount you want, measure the weight and then divide by 3 to get the desired weight of shellac. A 2-pound cut would be slightly thicker and provide a quicker build. Apply a coat of 2-lb. Amber will give ya a much “warmer” color. Sand lightly between coats. Your email address will not be published. Your email address will not be published. Thanks for providing 25% more irony with your t-shirt choice. The views and opinions expressed on this blog are purely our own. We stand behind them 100 % same area -12 '' square shellac to 2 or board! Means that ya might wan na try thinning 3 # white, cut in with! Easier shellac that will flow better is often what cut of shellac should i use adequate will flow better ’ s the quick.! - 3 lb cut is thinned with denatured alcohol, too that makes the volume goes way.! Ever research mixing shellac, you were probably overwhelmed with information about precise measurements what cut of shellac should i use including weights and.... The store where you purchased them or our customer service department at so... Nail trends to emerge recently shellac is sold as a Seal cut oak. 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