For example, a one pound cut (“1-lb. The problem with using ethanol for dissolving and thinning shellac is that it’s quite expensive (think Everclear that you buy at the liquor store). Dissolving and Mixing "Cut", or ratio of shellac flakes to alcohol determines the consistency of shellac. The flake shellac is added to the alkaline solution and begins to melt while stirring. Natural shellac is a widely used finish for new work and restoration. X Research source Albert Jackson and David Day, Complete Woodworker's Manual, p. 288, ISBN 0-00-414005-2 Liquid shellac is used as a food glaze, a wood finish, and a brush-on colorant. shellac in a 1-pound cut -- i.e. how old are your flakes? Reviewed in the United States on February 27, 2018. The fact that the shellac is refined using alcohol, then put in alcohol solution by the end user makes me think that it would be germ free. Try dissolving them in denatured alcohol, mentholated spirits or isopropanol and then evaporating the alcohol off. Complete Description Shellac Flakes, Blonde, Dewaxed Shellac is a product of insects, just one of the facts that make it a very interesting material, far more than just an old-fashioned wood finish (it is actually a natural resin like dammar or pine rosin). how old is the alcohol? Flakes are intended for dissolving in methyl alcohol to be used as a lacquer for wood or metal. In excellent storage conditions, shellac flakes can last many years (storage conditions from 40F to 50F at <40% RH are suggested). Why Would I Need a Substitute? After complete melting a gellation will occur. I got flakes from Stew Mac and mixed a 2 lb cut with grain alcohol. Mix in a dark plastic or glass container with a tight fitting lid. of shellac flakes per one gallon of high quality Denatured Alcohol solvent. I am in the middle of applying shellac as a finish I just realized that I will need more shellac. Shellac flakes are dissolved by denatured ethyl alcohol. When processed, it is turned into dry flakes which are dissolved in industrial alcohol to make liquid shellac. Busting them up into a coarse powder allows them to dissolve within 14 hours. Is it possible to speed up the dissolving of shellac flakes in alcohol? Old shellac is slow to dissolve, and bleached or blonde shellac will usually not dissolve completely, leaving a jelly-like residue at the bottom of the container. Garnet is one of the most popular colors on the market. Then there are the flakes which are produced by the alcohol method. I’d try a fresh batch of alcohol or a fresh bag of flakes, whichever is cheaper. There are lots of… Shellac not dissolving I am looking for a chemist or that type of level of knowledge. Any other "stuff" may separate from the shellac. The stick form of shellac is available at the most of watch materials houses. Sources:-Shellac is a natural resin refined from Lac, the resinous secretion of the tiny scale insect Kerria lacca, which is parasitic on certain host trees in India. It takes longer and it gets very goopy on the bottom of the jar. Shellac (/ʃəˈlæk/) is a resin secreted by the female lac bug on trees in the forests of India and Thailand. Soak the flake shellac in about 1/2 of the total alcohol to be used for 24 hours or longer (cool room temperatures will slow the process; pulverize the button shellac to speed dissolving) stir occasionally and when dissolved add the balance of … So to reduce the cost, which is largely the result of taxes, some methanol is often added to make the ethanol poisonous and therefore not … Dissolving & Mixing Mix in a dark plastic or glass container with a tightly fitting lid.Store in a cool and dark place if a clear container is used. I have shellac flakes that will not dissolve in alchohol at all. A 3 lb. I do not recommend trying to dissolve whole flakes. Shellac flakes WILL degrade such that they will no longer dissolve in alcohol. The solution is then filtered through a fine cloth which removes any insoluble matter and reduces the naturally occurring wax contained in the Lac from 3%-5% to 0.2% or less. Dewaxed: Shellac flakes. The strength of shellac solutions is traditionally measured by a unit known as a “pound cut,” which refers to the amount in pounds of shellac flakes dissolved in a gallon of denatured alcohol. There is powdered shellac produced by dissolving the raw material in industrial alcohol (nearly 100%)and filtered. It is extracted by dissolving the Seedlac in a solvent, usually ethanol. Storing the flakes in the fridge or freezer is a good plan, especially once summer heat returns. Permalink. Garnet is not only the most affordable but brings out the figure, color and grain of most types of woods. Hence a smaller amount can be mixed for a 1lb cut by taking 1oz. Making shellac is a simple process whereby we dissolve the flakes of shellac we buy into 190-proof denatured alcohol which we either buy through license here in the UK or we use Methylated spirits, which is denatured alcohol with an added violet colouring and any of a number of other additives that make the Meths undrinkable and even poisonous to prevent the misuse … TN Shellac offered comprises machine made Shellac that has 0% of resin and orpiment unless a fixed amount is specified by customer, thus providing for complete solubility in hot alcohol.The TN Shellac offered contains acid value of 65-76, ester value of 110-175, saponification value of 175-240, wax content of 5.50% max, moisture of 2% max, no rosin and orpiment content, … Re: Shellac Question - mine won't dissolve completely By the way, I use an old coffee grinder to grind the flakes into a fine powder before adding denatured alcohol. It is an excellent sealer for use on woods with high resin content (e.g., pine) to prevent bleed-through after painting. Here is how I mix it up for general use as a furniture finish (i.e. I think this helps the dissolving process more than anything else. Genuine WellerMart Shellac is known for its exceptional quality. A small electric coffee mill is pefect for pulverizing shellac flakes. It has a super fast dry time, thus saving money and aggravation. Well, in the first place, it may be illegal for you to buy it! In general for applying to pine needle baskets it is best to use a light consistency. i usually mix mine in about a 2 to 2 1/2 # cut and they usually disolve in about 30 to 60 minutes. I use 2 ounces of shellac flakes to 12 or 16 ounces of denatured alcohol. Not so good for the coffee taste however! It comes in flake form for easy dissolving, and is available in light yellow, amber and dark auburn in 1/4 lb (113g) and 1 lb (454g) packages. The consistency of shellac is determined by “cut”. As a painter though, you’ve probably found it most useful for dissolving shellac flakes into a usable liquid and cleaning brushes after applying shellac. cut would be 3 lbs. The flakes may be intended for french polishing, in which case the "stuff" may be some form of wax, which typically would not dissolve in alcohol. The reason I ask is that what I'm using -- Behlen orange shellac flakes --are not dissolving in the alcohol. Moreover most shops do not own a weighing scale either. I ground the flakes in a coffee grinder a Shellac not dissolving - The Unofficial Martin Guitar Forum If you have never worked A 1lb ‘cut’, means 1lb of shellac flakes dissolved in 1 gallon of denatured alcohol. the process; pulverize the button shellac to speed dissolving) stir occasionally and when dissolved add the balance of the alcohol. Fresh-mixed shellac is an excellent film finish, and we go through a lot of it in our shop. We use Tiger Flakes from Tools for Working Wood. I’ve heard of some folks purchasing 99% concentrations of isopropyl alcohol through medical suppliers. Shellac can be applied with a brush, pad, sprayer, or wiping cloth. Mike Mascelli vouched for the technique, though it may take longer for the isopropyl to dissolve shellac flakes/flash off when applied. The remaining 250 g of warm dilution water (40-50) are then slowly added while stirring. Also, the dye in your denatured alcohol will not present any problem. I’ve had good luck dissolving the flakes in either Mohawk shellac reducer or methanol, sold as methyl hydrate in Canada. not as a barrier for urine, smoke or sap). cut”) of shellac is obtained by dissolving one pound of shellac flakes in a gallon of alcohol. Color match is not a major consideration since each item is a separate craft item and color can vary between them. For a complete dissolving of 100g flake shellac alternatively following minimum quantities of alkalies are required: It is processed and sold as dry flakes and dissolved in alcohol to make liquid shellac, which is used as a brush-on colorant, food glaze and wood finish.Shellac functions as a tough natural primer, sanding sealant, tannin-blocker, odour-blocker, stain, and high-gloss varnish. It is probably about 5 years old and has been kept in a sealed jar but in a moist environment exceeding 80% humidity every day for most of … 1.0 out of 5 stars Not useful for dissolving shellac flakes.. Which I stirred up just before going to bed on *Sunday* night. i know mixing shellac in metal will darken the shellac, which is not always a bad thing, but it may also cause other problems, particularly if the tin has some sort of … The ratio 16:128 is the same as 1:8, so this should be equivalent to one ounce (by weight) of shellac flakes in 8 ounces (by volume) of alcohol. Personally, I prefer using shellac in a stick form rather than flakes. However this is a large quantity for most woodworking shops. of shellac flakes and dissolving it in 1 cup of denatured alcohol. Swingman 2010-02-14 21:42:13 UTC. Shellac is a perishable product and despite common misconceptions, shellac flakes do NOT last forever. This type of Shellac is extracted by dissolving the Seedlac in a solvent, usually ethanol. These days urethanes, epoxies, lacquers, alkyds and other woo Used as a wood finish, sealer and to ensure adhesion between other finishes. THINNING RATIOS The term "cut" is used when referring to the amount of alcohol added to dry shellac flakes to dissolve them (one pound of shellac flakes dissolved in one gallon of alcohol gives a well-thinned one-pound cut). Dewaxed Shellac is refined from Seedlac using the Solvent Extraction Process. 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