YMMV-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967 Shellac flakes can be pounded in a bag until powdery, to help them dissolve faster. You can also purchase shellac in its pure form of dried flakes and then dissolve them yourself in denatured alcohol. Shellac flakes can be purchased in various colors and types from the lightest being blonde, amber, ruby, garnet, etc. A woodworker friend called wanting to know where he could buy some methylated spirits. In excellent storage conditions, shellac flakes can last many years (storage conditions from 40F to 50F at <40% RH are suggested). I have quite a lot of shellac flakes in plastic self seal bags, airtight I assumed. If it takes overnight or a day then either the shellac or metho is no good and you may not get the best result when the shellac is eventually used. We had found that just about everything dissolved if we agitated it enough. Pour the required amount of methylated spirits into a glass or plastic container (do not use tin or metal as this will result in the solution darkening). • Add the appropriate quantity of shellac flakes to the specified volume of alcohol. and therefore went with 99.9% (won’t vouch for the 0.9%) iso-propyl alcohol. Little bug parts and other impurities always seem to make it into the shellac flakes. With shellac, fresh is somewhere between two and six months, at which time we throw it out and mix a new (small) batch—a pint or two of shellac in a four-pound cut will go a long way. Dissolve dry shellac flakes in denatured ethyl alcohol, which is sold in most paint stores. After mixing the shellac flakes, it takes up to 24 hours to dissolve. It is found on almost all wooden furniture pieces. Start fresh! Large chunks weren't a problem either - agitate and all was well. help shellac dissolve faster. You can buy shellac ready mixed or you can make your own. The label on commercial brands should tell you whether it is de-waxed or not. I've been reading past posts about quick and shiny finishes and in amongst those are folks who say they mix their own shellac. This allows more of the flake's surface area to come into contact with the alcohol at once and dissolve quicker. Shellac has a definite shelf life. (See chart.) Have no idea whether that is relevant for shellac. Joel's Blog: Shellac Shelf Life -The Followup: 10/20/2011: When we last spoke of shellac our hero had said all my shellac dissolves send me some dewaxed shellac and I will try to dissolve it. I've been using shellac for a while, and have some experience, but I'm having a really strange experience, and could use some advice. To make your own you buy flakes and mix them with denatured alcohol. Re: Shellac Question - mine won't dissolve completely give it a good stur. Begin with a bone dry, completely trimmed piece, in this case a bowl. Here is how I mix it up for general use as a furniture finish (i.e. A small stick will do and give it a churn to get it moving. We're also going to wear gloves throughout this process because shellac can get a little bit sticky. Used for a quite thick cut, it took its time to dissolve the shellac flakes. The flakes will be marked de-waxed or not. There are lots of… It also dissolves in methanol, butyl and isopropyl alcohol . Thanks! Shellac does not dissolve in alcohol. I found that shellac will sludge on the bottom unless you shake it well enough to let the denatured alcohol do it's stuff. I’ve had some flakes for years, and while I sometimes get bits that refuse to dissolve, I find that is more to do with the temperature in the room than the flakes. Another method is to weigh the shellac flakes separately, measure out the alcohol, then add the flakes. of dry shellac flakes by storing them after purchase in a cool, dry area-- a refrigerator is best. not as a barrier for urine, smoke or sap). Organic solvents, such as MEK or MEC are non-polar compounds and won't dissolve lac, which I'm guessing is polar in nature. mix your own shellac. You will need to do this 3-4 times and it will devolve completely. Not Helpful 3 Helpful 9. Dissolve dry shellac flakes in denatured ethanol, which is sold in most paint stores. This goes for even the finest grades of blonde shellac. We also need a small cup, and a clean cotton rag. Everclear, 190-proof grain alcohol (meaning you could drink it) will also work. Dissolve Shellac into pure methylated spirits (95%) at the following rate: - 250gms Shellac in 1 litre of pure methylated spirits. RawKrafted. Oct 11, 2012 - Shellac is a sticky resin commonly used as a wood sealer and finisher. 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