shellac flakes not dissolving

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

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