This was a surprise because I tested the oil on a scrap piece and it looked find, but I guess I underestimated what it would look like on the whole thing. 5. Keep in mind that tung oil has a really strong smell. Nas99 or can be bought anywhere where they sell 99% isopropyl alcohol. The ratio is determined by the kind of cut you want. I got the idea to finish my rack in tung oil from a friend who builds Dietz cabs out of baltic birch ply and uses tung oil to finish them. Mixed with shellac, it will produce a serviceable finish. So I just ordered alcohol from a beauty website and it has just arrived, but the bottle says that it is only 70% Denatured alcohol is a type of alcohol that has something added to prevent people from drinking it. Thinned shellac is recommended for sealer coats. Remove in 60 seconds. Alternatives are Isopropyl Alcohol (isopropanol or rubbing alcohol, the 99% pure version), Methyl Hydrate (methanol or wood alcohol), Ethyl Alcohol (ethanol or grain alcohol), or in a pinch, Mineral Spirits. If you have decided to make your own nail Polish thinner at home, the no 1 household ingredient that will do the trick is rubbing alcohol (of at least 91% purity). Best solvent for shellac is and always has been ethanol alcohol, not methanol alcohol. It is called "rubbing" alcohol because it has a smooth, almost oily, feel when rubbed on the skin. I use a 1lb cut and I really like it because it’s so thin. I would like to know why using metho with water in it works with no adverse affect since there is so much emphasis on using IMS100? No one seemed to be able to answer whether it’s fine to use it with shellac, so I went ahead and mixed a small amount and the answer is YES, it’s fine to use 99% isopropyl alcohol to mix shellac. It can also be used to remove light pencil marks on wood. In Australia, Shellite and naphtha are one and the same. I don’t think the motion matters as much, and I’ve seen people go in straight lines; the important thing is to make sure you never leave the applicator in one spot because it’ll stick and mess up the finish. Isopropyl alcohol is concentrated isopropanol that has been blended with anywhere between 5% and 30% water. Although isopropyl alcohol is classified as a toxic substance, meaning that it is dangerous to consume and behaves as a mild skin irritant, it is mostly safe to use. You can call them and they actually answer the phone and answer whatever questions you might have. in 1/4 gallon). There’s a handy chart here that helps you through the math for smaller portions. or Unlike denatured alcohol, IPA is toxic in itself. It also helped when I moved the rack to the basement. Kind of like tung oil, there’s the stuff you buy at the store or you can mix your own. Denatured alcohol is a type of alcohol that has something added to prevent people from drinking it. As you can see, it’s orange and yellow and the edges look burnt. It also comes on too thick. That’s why I went for the real tung oil which is made of safe materials. And I’ve put a lot of dye into that shellac! Ethanol is also called grain alcohol is the only type of alcohol that can be safely consumed. The food grade shellac coating is insoluble in stomach acid. appearing. Rubbing Alcohol Rubbing alcohol. The regulating agencies responsible for this removal are the Air Quality Management District (AQMD) and the South Coast Air Quality Management District (SCAQMD), the five counties around Los Angeles. Seal the free edge and apply a layer of CND Shellac Luxe Top Coat to all five nails. If you have access to 95-to-100 percent pure propanol or isopropyl alcohol, you could use it for thinning without a problem. Butyl Acetate, Nitrocellulose, Trimethyl Pentanyl Diisobutyrate, Isopropyl Alcohol, Adipic Acid/Neopentyl Glycol/Trimellitic Anhdride Copolymer, Alcohol Denat, Sucrose Acteate isobutyrate, Acrylates Copolymer, Benzophenone-1, Water, CI 17200, CI 42090, CI 60725 BCC12-Base. It was made from the same slab of birch plywood, but it didn’t have as many layers of tung oil. Here are a few before and after pictures. To make a '1 Pound Cut', mix 4 Oz. Although isopropyl alcohol is classified as a toxic substance, meaning that it is dangerous to consume and behaves as a mild skin irritant, it is mostly safe to use. I have invested in Shellac but cannot find ANY isopropyl alcohol in my town whatsoever! I didn’t let my shelf dry for more than a day, and after that long weekend it had marks all over it. It’s a bit thick (I think it’s a 3lb cut), but worse they put a lot of stuff in it that’s harmful, so again it’s not a great idea to use Zinsser shellac inside and without ventilation. I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was. It’s all the same, different packaging. Remove the top film with a plastic-backed, lint-free pad saturated with 99% isopropyl alcohol. It is usually sold in drug stores in a concentration of 70% by volume because it is antiseptic at that concentration. However, it’s still soft for a few days, so if you place items on your shellaced piece, those items will leave marks. Denatured alcohol is used for thinning shellac and cleaning brushes used to apply shellac. This means that while it’ll protect (and seal, I think) the wood, you will still be able to feel the grain underneath. "Metho" is an abbreviation for methanol -- it is not ethanol (although ethanol plus a bittering agent is mostly sold as "metho"). Unlike denatured alcohol, IPA is toxic in itself. IF In a different light and with some shellac. I think some finishes and some woods don’t work well together, meaning that the finish brings unattractive colors out of the wood. It doesn’t seem to make a difference when French polishing, and even with a brush it barely changes the color of the wood. Copyright © U-Beaut Enterprises 1999 - 2016. Oil based paints thin with mineral spirits while denatured alcohol is used to thin shellac and “spirit varnishes”, these are not interchangeable. This is where denatured alcohol vs. isopropyl alcohol comes in. Most people use denatured alcohol, but since it’s toxic, I decided to look into 99% isopropyl alcohol. Denatured alcohol is critical for dissolving shellac flakes and for thinning liquid shellac to reduce brush marks and orange peel. I should mention that this post is not about which finish is better as much as it is about my experience with each one. It’s a nut-like smell, but it’s really strong and our apartment smelled like it for a while until I washed the floors a couple of times and kept airing out the place. It would also thin shellac, which is why it’s often referred to as shellac thinner. Shellac can be used over any stain except alcohol-base types and over any filler. Shellac wax is made up of long-chain esters of monovalent alcohols and acids. 91% Isopropyl Alcohol with a few drops of retarder. Denatured Alcohol. I use a cheesecloth wrapped in cotton fabric (old sock, old t-shirt), I get a bunch of shellac on it and rub it on the wood in circular motion. One kind is really a varnish, like Fromby’s tung oil, or any other kind of tung oil you can get at the hardware store. Derek said that he’s always mixed flakes with metho from Bunnings, which we all know contains a certain percentage of water. You crush the flakes and mix them with alcohol. For finish coats, thin 1 part 4-pound shellac with 2 parts alcohol. People also seem to use some kind of oil to lubricate the applicator and that seems like a good idea – I tore a hole through my sock applicator. #14 Laurie on 12.23.12 at 10:20 pm You have to apply shellac away from any type of UV light because that is what cures the shellac. As far as application: I tried applying shellac with a brush and it’s a pain, mostly because I get brush marks on the wood and can’t seem to apply it evenly. I have been doing Shellac manicures and I have found that after I do the top coat and wipe with 70% isopropyl alcohol, it still looks dull and uneven. Then, it is reconstructed with denatured alcohol. Edit: Shellac dries to the touch within minutes. Shellac will dissolve in any alcohol, including watery alcohol, but if you don't know and can't reproduce the solvent mix, you'll get pretty unpredictable results. For those who don't know Everclear is grain alcohol that can be bought in a liquor in the US. The water will cause the shellac to turn white, or “blush.”. Isopropyl Alcohol 100% or Denatured Alcohol for Shellac? The varnish tung oil is fine, but it’s made of chemicals that are toxic, and if you can’t finish outside or in a well ventilated shop, then you really shouldn’t use it. The shelf looks better because it didn’t have as many applications of oil. It doesn’t look as bad in the first three pictures with the oil on, but in the last one, which was taken under a lower light, it looks pretty bad, but even that is quite flattering. You must Most people use denatured alcohol, but since it’s toxic, I decided to look into 99% isopropyl alcohol. 3. You can always thin out pre-made shellac by adding denatured alcohol. To cut a lengthy story short, Isopropyl is great for beginners who want to apply shellac with a brush. Re: Thinning Shellac Mike, If my memory of some rather long-ago chemistry classes has not totally failed me, methyl hydrate is a common name for methyl alcohol It is methane (natural gas) with one hydrogen replaced by a "hydrate" group, or simply, an -OH group. 91% won’t work because it has too much water in it. I wasn’t happy with the way the finish turned out. One of the least toxic of solvents or cleaners, but good ventilation is as always still necessary. The Zinsser product, which is available everyone, is fine. Then I read the GHS document for their shellac and god really scared, so I decided to get flakes and mix my own shellac. Fewer layers of tung oil will result in the piece looking less orange and yellow – just look at the rack vs. the shelf. Create a free website or blog at WordPress.com. Use denatured alcohol to thin shellac; use alcohol or ammonia for cleanup. , severe illness, or death step 2: Test your mixture a! 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