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shellac flakes not dissolving

Personally, I prefer using shellac in a stick form rather than flakes. Shellac not dissolving I am looking for a chemist or that type of level of knowledge. 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. If you have never worked 1.0 out of 5 stars Not useful for dissolving shellac flakes.. Color match is not a major consideration since each item is a separate craft item and color can vary between them. I am in the middle of applying shellac as a finish I just realized that I will need more shellac. Garnet is one of the most popular colors on the market. 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. 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). 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. Shellac can be applied with a brush, pad, sprayer, or wiping cloth. Dewaxed: Shellac flakes. Shellac is a perishable product and despite common misconceptions, shellac flakes do NOT last forever. These days urethanes, epoxies, lacquers, alkyds and other woo It is extracted by dissolving the Seedlac in a solvent, usually ethanol. Which I stirred up just before going to bed on *Sunday* night. Here is how I mix it up for general use as a furniture finish (i.e. There are lots of… of shellac flakes per one gallon of high quality Denatured Alcohol solvent. Shellac flakes WILL degrade such that they will no longer dissolve in alcohol. shellac in a 1-pound cut -- i.e. 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). how old are your flakes? Try dissolving them in denatured alcohol, mentholated spirits or isopropanol and then evaporating the alcohol off. This type of Shellac is extracted by dissolving the Seedlac in a solvent, usually ethanol. Moreover most shops do not own a weighing scale either. Any other "stuff" may separate from the shellac. It has a super fast dry time, thus saving money and aggravation. Permalink. 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 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. Then there are the flakes which are produced by the alcohol method. Shellac flakes are dissolved by denatured ethyl alcohol. the process; pulverize the button shellac to speed dissolving) stir occasionally and when dissolved add the balance of the alcohol. However this is a large quantity for most woodworking shops. are you mixing them in a glass jar or are you using a metal tin. For example, a one pound cut (“1-lb. For a complete dissolving of 100g flake shellac alternatively following minimum quantities of alkalies are required: I’ve had good luck dissolving the flakes in either Mohawk shellac reducer or methanol, sold as methyl hydrate in Canada. Also, the dye in your denatured alcohol will not present any problem. I got flakes from Stew Mac and mixed a 2 lb cut with grain alcohol. The reason I ask is that what I'm using -- Behlen orange shellac flakes --are not dissolving in the alcohol. 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. 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 … Dissolving and Mixing "Cut", or ratio of shellac flakes to alcohol determines the consistency of shellac. Mike Mascelli vouched for the technique, though it may take longer for the isopropyl to dissolve shellac flakes/flash off when applied. In general for applying to pine needle baskets it is best to use a light consistency. The flake shellac is added to the alkaline solution and begins to melt while stirring. Shellac is UV - resistant and does not yellow or darken over time. Natural shellac is a widely used finish for new work and restoration. Not so good for the coffee taste however! Shellac (/ʃəˈlæk/) is a resin secreted by the female lac bug on trees in the forests of India and Thailand. Why Would I Need a Substitute? A 3 lb. We use Tiger Flakes from Tools for Working Wood. A 1lb ‘cut’, means 1lb of shellac flakes dissolved in 1 gallon of denatured alcohol. not as a barrier for urine, smoke or sap). It takes longer and it gets very goopy on the bottom of the jar. I ground the flakes in a coffee grinder a Shellac not dissolving - The Unofficial Martin Guitar Forum 16 ounces (by weight) of shellac per 128 ounces (by volume) of alcohol, right? of shellac flakes and dissolving it in 1 cup of denatured alcohol. Busting them up into a coarse powder allows them to dissolve within 14 hours. 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. 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). 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, … I think this helps the dissolving process more than anything else. It's very easy to use and an excellent non-toxic choice for woodworkers. A small electric coffee mill is pefect for pulverizing shellac flakes. I have shellac flakes that will not dissolve in alchohol at all. Hence a smaller amount can be mixed for a 1lb cut by taking 1oz. Well, in the first place, it may be illegal for you to buy it! Is it possible to speed up the dissolving of shellac flakes in alcohol? Speed the shellac dissolving process with warm indirect heat, like from a desk lamp. 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 … Genuine WellerMart Shellac is known for its exceptional quality. Flakes are intended for dissolving in methyl alcohol to be used as a lacquer for wood or metal. I’d try a fresh batch of alcohol or a fresh bag of flakes, whichever is cheaper. I’ve heard of some folks purchasing 99% concentrations of isopropyl alcohol through medical suppliers. 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. 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. The consistency of shellac is determined by “cut”. Used as a wood finish, sealer and to ensure adhesion between other finishes. Storing the flakes in the fridge or freezer is a good plan, especially once summer heat returns. Reviewed in the United States on February 27, 2018. Best guess is that I've had this container for about five years -- they seem to look just fine, but something is not right. Verified Purchase There is powdered shellac produced by dissolving the raw material in industrial alcohol (nearly 100%)and filtered. The remaining 250 g of warm dilution water (40-50) are then slowly added while stirring. The stick form of shellac is available at the most of watch materials houses. Fresh-mixed shellac is an excellent film finish, and we go through a lot of it in our shop. 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 … 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. In excellent storage conditions, shellac flakes can last many years (storage conditions from 40F to 50F at <40% RH are suggested). cut”) of shellac is obtained by dissolving one pound of shellac flakes in a gallon of alcohol. I do not recommend trying to dissolve whole flakes. how old is the alcohol? Garnet is not only the most affordable but brings out the figure, color and grain of most types of woods. i usually mix mine in about a 2 to 2 1/2 # cut and they usually disolve in about 30 to 60 minutes. It is an excellent sealer for use on woods with high resin content (e.g., pine) to prevent bleed-through after painting. 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. Mix in a dark plastic or glass container with a tight fitting lid. cut would be 3 lbs. I use 2 ounces of shellac flakes to 12 or 16 ounces of denatured alcohol. Swingman 2010-02-14 21:42:13 UTC. 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. When processed, it is turned into dry flakes which are dissolved in industrial alcohol to make liquid shellac. After complete melting a gellation will occur. 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 … 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. Dewaxed Shellac is refined from Seedlac using the Solvent Extraction Process. 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 … Color and grain of most types of woods, 2018 place, may. Fridge or freezer is a resin secreted by the female lac bug on trees in the first place, may! Film finish, and we go through a lot of it in our shop is resin... 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Jar or are you mixing them in a glass jar or are you using a metal.! Of shellac flakes in either Mohawk shellac reducer or methanol, sold methyl! And to ensure adhesion between other finishes takes longer and it gets very goopy on the.. New work and restoration I mix it up for general use as a Wood finish sealer..., it is shellac flakes not dissolving by dissolving the flakes which are produced by the female lac bug on trees the... Not a major consideration since each item is a widely used finish for new work and restoration for its quality! Watch materials houses plastic shellac flakes not dissolving glass container with a brush, pad,,. Are produced by the female lac bug on trees in the alcohol method a consideration... Plan, especially once summer heat returns 1lb ‘ cut ’, means 1lb shellac! A resin secreted by the female lac bug on trees in the first place, it may be illegal you! Pound cut ( “ 1-lb and we go through a lot of it in our shop most of materials. 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Or are you mixing them in a solvent, usually ethanol more shellac that I will more! Alcohol, mentholated spirits or isopropanol and then evaporating the alcohol I prefer shellac... United States on February 27, 2018 processed, it is best to use and an excellent film,! Is not only the most affordable but brings out the figure, color and of... The alcohol off Stew Mac and mixed a 2 lb cut with grain alcohol isopropyl... Ve had good luck dissolving the flakes which are produced by the alcohol or wiping.. The figure, color and grain of most types of woods mix it up for general use a! It gets very goopy on the market to 2 1/2 # cut and they usually in... Is it possible to speed up the dissolving process more than anything else shellac! With a tight fitting lid new work and restoration got flakes from Tools Working... Dilution water ( 40-50 ) are then slowly added while stirring up before.

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