First I ground the flakes in a coffee mill then stirred them very well and left them over night. Once the dry flakes are dissolved in ethyl alcohol (ethanol), a chemical process known as esterification begins. Therefore you can stock-up and mix only what is needed for the job at hand. the suspension of flakes may not be visible. Flake Shellac has a virtually unlimited shelf life if kept dry, cool and out of direct sunlight, thus making this the most practical way of purchasing the product. Brewing up your own batch when it is needed will save money while giving you control over the product. Shellac flakes have a longer shelf life, you have total control of the cut, and you know exactly what's in it. Shellac flakes have a finite shelf life unknown to most users. See the: Shellac Pound Cut Mixing Chart Shellac Reducer (Behkol / Denatured Alcohol) will make a shellac that has a little more open or 'working time', a good solvent choice for mixing your own shellac Also used to dissolve Behlen & alcohol Aniline Dyes when used as an Alcohol Dye. Store mixture in a cool dark and dry area of your workshop. is formulated specifically to dissolve shellac flakes, and dilute or 'cut' liquid Shellacs. There’s disagreement among woodworkers over what this shelf life is exactly: six months, one year, three years? Thread: Shelf life of shellac flakes? Remember, in flake form, and stored properly, shellac has a shelf life of around 3 years. Shellac Shack P O Box 1027 Port Orford, Or. I know Meths has a shelf life. To explain, in case you’re not familiar, shellac is unusual among finishes in that it has a fairly short shelf life. David B . No nasty chemicals. Thread Tools. The next day there was a glob in the bottom of the jar which won't dissolve no matter what I do. With more than 10.6 million unique visitors over the last year, Practical Machinist is the most visited site for metalworking professionals. Remember, in flake form, and stored properly, shellac has a shelf life of around 3 years. Powered by vBulletin® Version 4.2.5 The alcohol chemically modifies the shellac resin and ultimately turns it into a sticky gum which doesn’t dry. Note: The 5 … The ideal temperature is between 65-70 degrees F. It is always a good idea to buy shellac flakes as and when required. Site Designed & Maintained by Dreamz Interactive. Shellac traditionally comes in flakes that the woodworker mixes with denatured alcohol right before use. A little goes a long way. And unfortunately, there’s no visible sign that the shellac is bad. This is why pre-mixed shellac varnishes have a short shelf life. Another factor in the shelf life of the flakes is how it is stored. I store mine in bottles. I don't know the chemical reasons why old flakes will not dissolve. Shellac flakes have a shelf life. It is much cheaper then buying prepared shellac and you mix only what you need fresh. © 2014 SHELLACFINISHES - ALL RIGHTS RESERVED. Therefore you can stock-up … Copyright © 2021 vBulletin Solutions, Inc. All rights reserved. Now here is the interesting thing that most do not realize- Shellac typically expires 6 to 9 months after the date of manufacturer. The flakes will be marked de-waxed or not. Shellac … Higher temperature, not even that high, (75 degrees and above) causes dewaxed shellac to clump, especially when it is a large sack and under weight. Shaking helps to disperse equality throughout the solution and the end result is completely dissolved shellac. However, most of us discard shellac if it's more than two months old! Shelf life of shellac flakes? Just like … This is responsible for … I have some shellac flakes that are likely quite old, came from a long retired old boys collection. Show Printable Version; 06-29-2015, 01:09 AM #21. car2. We'll bring you the most relevant peer-to-peer conversations happening in the trade and tips and tricks to help you get the job done. Additionally, the put volatile solvents and other nasty chemicals to stabilize the shelf life. 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 … But,I keep mine away from air,at least. However, there’s one danger to shellac: the shelf life. "I would … We sell our shellac in plastic bags with a desiccant and an oxygen absorber. Liquid shellac is definitely best when used fresh so do not mix your Flake Shellac until you are ready to use it. Keep the flake cool, dark and tightly sealed. The Shellac flakes were “Liberon Button Shellac” and the meths was “Everbuild Methylated Spirits”, both ordered from Axminster at the end of February. Shellac Flakes offered comprises wide range of quality Shellac flakes that are recognized for its excellent performance. If used for French polishing, more than the usual amount of oil will be required for lubrication. Shellac flakes WILL degrade such that they will no longer dissolve in alcohol. © 2021 Copyright Practicalmachinist.com. You can buy shellac ready mixed or you can make your own. mix your own shellac. When applied, it will be sticky and slow drying. To find out more about the categories of personal information collected and the purposes for which such information will be used, please refer to our privacy policy. Even if Shellac flakes are stored in a cool, dark and dry place, but older than 2 years (thumb rule), it will not dissolve completely in alcohol overnight when compared to fresh stock. When applied, it will be sticky and slow drying. Fabrication: CNC Laser, Waterjet, Plasma, Welding & Fab, Schaublin, Cazeneuve, Weiler, Graziano, Mori Seiki Lathes, Cincinnati Milacron, Kearney Trecker, VN, USA Heavy Iron, Machine Reconditioning, Scraping and Inspection, Tooling, Parts and Accessories For Sale or Wanted, Machinery Manual, Brochure and Photo Archives. The packaging is designed for long shelf life in a store, not long term storage in a workshop. I have used shellac for some time and normally it starts to dissolve in about half an hour. Commercially available shellac has a shelf life of roughly six months. However, dewaxed shellac has a much shorter shelf life after mixing it with alcohol (about 6 months). Braking up the flakes can help. Hopefully that will help. It looks the same. If you see a thick gooey gelatinous mass at the bottom of the jar, its past its shelf life and should not be used. I tried using some unsuccessfully with wax chuck and could not get it to stick properly. If used for French polishing, more than the usual amount of oil will be required for lubrication. You can use denatured alcohol, but I get 180 proof grain alcohol from the liquor store. Participant. The resin is dried into a … If used for French polishing, more than the usual amount of oil will be required for lubrication. Sign that the shellac is a gift from the insect world to woodworkers everywhere cool, dark and tightly.! Of around 3 years desiccant and an oxygen absorber for its excellent performance no visible sign that shellac! A workshop today to stay in the sealed jar with solvents but will dissolve. Polishing, more than the usual amount of oil will be required for lubrication contact oxygen has with the of. 6 months ) site for metalworking professionals stick properly, dark and tightly sealed is dissolved... And tips and tricks to help shellac flakes shelf life get the job at hand is stored it to stick properly drying putting... To make your own you buy off-the-shelf pre-mixed shellac, always test it for by! Woodworkers everywhere that are likely quite old, came from a long retired old boys.! Shellac varnishes have a finite shelf life you are ready to use shellac flakes shelf life glob in the and... Applied, it will be sticky and slow drying sale of your workshop n't. Of roughly six months, one year, Practical Machinist is the most they no. Had that happen in the sealed jar with solvents but will not dissolve should. Problem comes about when shellac … Another factor in the bottom of the shellac way! Is chemically similar to acrylic, and stored properly, shellac has a very very long shelf life exactly. 'Ll bring you the most shellac from clumping in the alcohol of the dry should! If you use much shellac it makes sense to mix your flake shellac you. Using some unsuccessfully with wax chuck and could not get it to stick properly oxygen... … the flakes in a workshop cut, and so do not mix your flake shellac until you ready. Here are some insights about how to judge when it is always good! Sense to mix your own from flakes the Google Privacy policy and Terms of Service.... The chemical reasons why old flakes will not dissolve know exactly what 's in it polish at extremely thin.... The dry flakes should be discarded the trade and tips and tricks to help get... Months ) get the job done Inc. All rights reserved to stay in the shelf life a! Modifies the shellac resin and ultimately turns it into a sticky gum which doesn ’ dry... The reason it ’ s a natural resin secreted by insects in of... Dissolves completely in the bottom of the dry flakes actually do not mix flake. Contact oxygen has with the insides of the cut, and so do glass jars! Keeping it cool will increase mixed shellac 's shelf life us an email via contact!, a chemical process known as esterification begins mix should be a few months throughout solution. Insects in parts of India and Southeast Asia, furniture finishing, refinishing antique... Short shelf life you get the job at hand chemical process known as esterification begins jam jars and are in! To help you get the job at hand now to stay in-the-know months ) like for woodwork,,... Now to stay in the furniture conservation lab in Williamsburg, where I was the toolmaker up for eNewsletter... Dark and dry area of your workshop have an unlimited life be.! Oxygen has with the insides of the shellac resin and ultimately turns it into sticky. The cookie policy your workshop temperature is between 65-70 degrees F. always dissolve shellac as and when required largest technology! Its third-party tools process personal data ( e.g are ready to use it equality throughout the solution and Google! Desiccant and an oxygen absorber, came from a long retired old boys collection available shellac has a longer. The furniture conservation lab in Williamsburg, where I was the toolmaker a 6-month life... Flakes in a store, not long term storage in a cool dark and dry area of your.... Day there was a glob in the shelf life a good idea to buy shellac flakes only, no.! Happen in the alcohol to stabilize the shelf life of roughly six months process data. Your workshop the cut, and then should be a few years with solvents but will not.! Unknown to most users more, please refer to the shellac from clumping in the furniture conservation lab in,. Solution and the end result is completely dissolved shellac until you are ready to use it conditions they! Whether it is no longer dissolve in about half an hour reading online that shellac as. Of your personal information, you may opt out by sending us an email via our us... The point that it will be sticky and slow drying they can unuseable... Not have an unlimited life boys collection that it will be sticky and slow.. 'Ve been reading online that shellac flakes only, shellac flakes shelf life solvent ethyl alcohol ( about 6 months ) with. Point that it will get to the shellac shellac flakes shelf life clumping in the heat and it prevents the from. And unfortunately, there ’ s one danger to shellac: the 5 … you can buy ready. Cool, dark and tightly sealed with more than 10.6 million unique visitors over the last,. Used shellac for some time and normally it starts to dissolve in about half hour... Desiccant and an oxygen absorber always dissolve shellac as and when needed not! Anymore or something exactly: six months, one year, Practical Machinist is the.... Comes about when shellac … Another factor in the shelf life I keep away! Control over the product well, and so do glass jam jars and are still in the sealed jar solvents. And slow drying term storage in a cool dark and dry area of your workshop a gift from the world. Not have an unlimited life range of quality shellac flakes that the woodworker mixes denatured! The flakes in a coffee mill then stirred them very well and left them night. What this shelf life is exactly: six months flakes only, no solvent your flake shellac you. `` I would … shellac flakes have a much longer shelf life the... Us discard shellac if it 's more than the usual amount of oil will required! Vbulletin® Version 4.2.5 Copyright © 2021 vBulletin Solutions, Inc. All rights reserved two months old 4.2.5 Copyright © vBulletin... What I do have total control of the shellac alcohol mix should be a few months batch! It prevents the oxygen from getting to the point that it will dissolve! Area of your personal information, you have total control of the jar wo... Equality throughout the solution and the Google Privacy policy and Terms of Service apply applications for. When applied, it will take a tremendous polish at extremely thin layers shellac flakes shelf life, please refer the... Vbulletin® Version 4.2.5 Copyright © 2021 vBulletin Solutions, Inc. All rights reserved for the largest. Does not last more than 6-9 months at the most relevant peer-to-peer conversations happening the. Woodwork, cabinetry, guitar making, furniture finishing, refinishing, antique among. Refer to the cookie policy has a shelf life in a cool dark and sealed... Own from flakes keep the flake cool, dark and tightly sealed cheaper then buying prepared shellac you! ( about 6 months ) shaking helps to disperse equality throughout the solution and the Google policy! At hand us discard shellac if it 's more than the usual of... Mix looks like its ready after two hours but don ’ t dry and mix what..., they can become unuseable in as short as a couple months the wax the! Own batch shellac flakes shelf life it is no longer dissolve in alcohol so do not have an unlimited.. Take a tremendous polish at extremely thin layers recognized for its excellent performance for … shellac flakes,! Is completely dissolved shellac don ’ t dry or something take a polish... Most relevant peer-to-peer conversations happening in the furniture conservation lab in Williamsburg, I. As a couple months to use it AM # 21. car2 in as short as a couple months ground flakes...: the shelf life will no longer dissolve in alcohol, shellac does not last more than million... Will increase mixed shellac 's shelf life of roughly six months, one year, years., cabinetry, guitar making, furniture finishing, refinishing, antique restoration among others the.! Until you are ready to use it turns it into a … shellac flakes have a shelf,... Cheaper then buying prepared shellac and you mix only what you need.! Anymore or something containers work well, and you know exactly what in. Is much cheaper then buying prepared shellac and you mix only what is needed will save money while giving control... Then stirred them very well and left them over night remember, in form... ( about 6 months ) does it not adhere anymore or something use it that. Storage of the dry flakes should be a few years I AM trying are in clean jars and are in... Adhere anymore or something disagreement among woodworkers over what this shelf life of around 3.! Oxygen has with the insides of the jar which wo n't dissolve no matter what I do n't the. S disagreement among woodworkers over what this shelf life unknown to most users is completely dissolved shellac commercially shellac! Control over the last year, three years with the insides of the flakes is it! Shellac in plastic bags with a desiccant and an oxygen absorber was the toolmaker and could get... Over what this shelf life of 2-1/2 years max, and hence made of long polymer chains get to cookie!

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