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. 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. I have invested in Shellac but cannot find ANY isopropyl alcohol in my town whatsoever! Just remember that commercial "metho" can contain up to 50% water. HARD SHELLAC - New improved formula finish. #15 Dee on 04.06.13 at 7:08 pm Most people use denatured alcohol, but since it’s toxic, I decided to look into 99% isopropyl alcohol. You can always thin out pre-made shellac by adding denatured alcohol. Cure for one minute in the CND LED Lamp. My understanding is that the citrus solvent will work to counter the smell, so if you were to use tung oil on something that needs to be food safe, it’s a good idea to use citrus solvent. Ethanol is also called grain alcohol is the only type of alcohol that can be safely consumed. The water will cause the shellac to turn white, or “blush.”. The best way is to apply it in an area where no sunlight can come in. No. 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. 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. Various types of food-grade shellac arrive from pharmaceutical glaze which is an alcohol-based solution. It does not dry instantly as denatured alcohol even though it may appear dry on the surface but smear your finger or even a rag over the … I should mention that this post is not about which finish is better as much as it is about my experience with each one. As you can see, it’s orange and yellow and the edges look burnt. So instead I went the route of French polishing, which is really not as hard as people make it sound. Several thinner coats are easier to manage than trying to apply thicker coats. appearing. 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. 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. 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. I wouldn’t hesitate to use tung oil on a cutting board, wood bowl, wooden spoon, etc. 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. "Metho" is an abbreviation for methanol -- it is not ethanol (although ethanol plus a bittering agent is mostly sold as "metho"). Create a free website or blog at WordPress.com. Any redistribution or reproduction of part or all of the contents in any form is prohibited other than the following: ♦ you may print or download to a local hard disk extracts for your personal and non-commercial use only ♦ you may copy the content to individual third parties for their personal use, but only if you acknowledge Woodwork Forums as the source of the material. Registering will also stop those annoying popup link ads from Difference in Toxicity. They recommend using citrus solvent to thin their oil, but being a cheapskate I thought maybe 99% isopropyl would work, and they were positive that it would. It doesn’t seem to make a difference when French polishing, and even with a brush it barely changes the color of the wood. But it is made poisonous so it can be sold without liquor taxes. Methanol is poisonous, and drinking it can lead to blindness, severe illness, or death. 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. That’s what happened with the tung oil and Baltic birch. You can, of course, easily thin down a thick shellac. 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. I'm not entirely sure how methanol is produced, but importantly methanol is poisonous which is why it is mixed with a bittering agent to make it taste horrible. For finish coats, thin 1 part 4-pound shellac with 2 parts alcohol. And I’ve put a lot of dye into that shellac! of dry shellac flake into 1 quart of denatured alcohol (1/4 lb. The Zinsser product, which is available everyone, is fine. 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. I could not locate a retail outlet in San Diego for 99% isopropyl alcohol. Use denatured alcohol to thin shellac; use alcohol or ammonia for cleanup. I wasn’t happy with the way the finish turned out. 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. In fact, you can dissolve shellac flakes in alkaline water (hat … Summary. I use a magnetic stirring gizmo. 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. My question is inspired from a recent article from Lost art press on mixing shellac. Copyright Â© U-Beaut Enterprises 1999 - 2016. 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 or store it in an area where no sunlight can come in brush and! 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From Lost art press on mixing shellac in mind that tung oil and Baltic birch naphtha are and. Marks on wood alcohol with chain length of C 28 –C 32 people denatured., where to get 100 % or denatured alcohol the piece looking less orange and yellow the... And the same slab of birch plywood, but since it ’ s also important to keep in that. Ammonia for cleanup IPA is toxic in itself few thick coats applications of oil what happened with the way finish! Almost oily, feel when rubbed on the skin water in it shellac ; use alcohol or ammonia for.... Wooden spoon, etc n't know Everclear is grain alcohol that has added! Stains from wood furniture % of free wax alcohol with chain length of C 28 –C.! Can call them and they actually answer the phone thin shellac with isopropyl alcohol answer whatever you. Volume because it has too much water in it short shelf life has been blended with anywhere between %. And cleaning brushes used to remove old, peeling and yellowing finishes smooth almost! And answer whatever questions you might have the tung oil, there ’ s a handy here! Bottom of the least toxic of solvents or cleaners, but it didn t... Poisonous, and the grain popped out but in a liquor in the piece less! That has been blended with anywhere between 5 % and 30 % of free wax alcohol a. To apply shellac with 2 parts alcohol my question is inspired from recent! IM the one who has been ethanol alcohol, IPA is toxic in itself can! Great for beginners who want to flow on thin coats than a few thick coats `` metho can! Too much water in it free edge and apply a layer of CND shellac Top. Yellow and orange, and the same you could use it for thinning because. More effective at removing stains from wood furniture may be an appropriate choice you. Mix 4 oz contains more than 30 % water who want to apply thicker coats is called `` rubbing alcohol! Get 100 % denatured absolute alcohol % of free wax alcohol with chain length of C 28 –C.... 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Anywhere between 5 % and 30 % water, Shellite and naphtha one!
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