It really looks good. Place small projects on a turntable and turn the project instead of moving the spray gun around the project. I then leave some clean solvent in the cup(2 oz.) Easy-peasy.... and it works even if the shellac has hardened. I'll first spray a little straight DNA through it as well as rinse the container ( this DNA is saved for the brush soaking mentioned above), then soak the whole thing on household ammonia/water in a 5 gallon bucket. First, before you use the brush, pre-wet with clean alcohol. Those wooden zoom boxes looks great in its texture. When spraying project elements where you only want to topcoat a portion, such as drawer fronts, mask off with paper the sections you don’t want to spray. As an example, we installed a robot system with both epoxy and polyurethane coatings, which are harder to flush then water and solvent based coatings. Shellac is a new medium for me, and while padding "seems" quite simple, I do believe wholeheartedly in Murphy's Law. It can be used with a 5 cfm compressor. Better yet, if it's dedicated to shellac, no cleaning! Along with cleaning the brushes and rinsing them with water, a painter should use a spinner to finish the cleaning process. i dont like sanding if i dont have too as much. Our Price £584.00 . Filter the dissolved mixture to remove the undissolved solids/leftover crud. Heck, I sprayed everything (including my toopaste ;-). Do the whole … A typical water based coating has a volume solid’s around 33%. Your shellac is thin, but you might try a test with a even more diluted solution. Though I have a hell of a time brushing shellac, I can do small areas like that fairly well. I don't want to be buying new hoses all the time. How to clean a paint sprayer. From contributor G: Point is, shellac over BLO is fine, and it can go on much sooner than other types of top coatings. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The other day I had my finisher spray some Sealcoat out of one of our Kremlin AAA sprayers. The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). Shellac uses denatured alcohol has the reducer. The only way to clean a spray gun after using water-base materials is with water and dishwashing soap. Yes. PMM . Once done, you can apply it through a brush, cloth, or spray gun. From contributor M: I have brushed and sprayed a fair amount of Shellac and I prefer brushing. A clean gun sprays a smoother, more controlled finish that requires less sanding. BTW, one of Jeff Jewitt's finish schedules is called a "down and dirty" french polish, used when he needs a fast good looking finish on a small project. I use the older gun to spray shellac sealer coats and the new gun exclusively for waterborne lacquer. Graco magnum x7 Airless Paint Sprayer Cleaning Instructions. If you have orange peel, it's too much shellac. This means that when you apply three wet mils, the coating will dry down to one mil. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. I find it to be alot faster and easier than brushing. Thanks, Gary. Cleaning Wagner Control Pro 250M Airless Paintspray System HEA - Duration: 14:51. Could not be happier. I usually do use gel stains, but I didn't want this one too dark. The gun is a CA Tech. For shellac if you clean the gun soon after you get done with it, I would put alcohol in the sprayer and spray some through it and change the alcohol and then another wash with lacquer thinner. This will let you know if you cleaned your gun well before you screw up the first pass of the next day. While spraying,(even overnight) mask the top of the 5 with plastic and tape. I clean with ammonia water mix approx 1/3. I am in the process of switching to waterbase clears, so once I put a new hose on the sprayer I will only be spraying waterbase out of that sprayer. If not brushing it (and padding the rest) should be a good approach. Dilute ammonia with equal part water. I have an awful time brushing shellac but when I do, I use a natural bristle brush. i just use a throw away brush. Then I disassemble the gun and wipe all the parts with mineral spirits. Order an extra set for cleaning guitar hardware and tools, too! We’ll beat it convincingly CLICK HERE. 3 or 4 coats sanding lightly between coats and then I pad the last coat. Will I have problems switching back and forth from Sealcoat to waterbase with things getting plugged up? We’ll beat it convincingly CLICK HERE. "I long for the days when coke was a cola and a joint was a bad place to be" (Merle Haggard). frenchy | Apr 11, 2007 02:57am | #6. pmmatty, I used to spray all my shellac. The new aircap design is on another level. Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Advice on maintaining the equipment you use for spraying shellac, and on how to clean equipment when switching between coating types with a single spraygun system. On hot, high humidity days here on the Gulf Coast I find 99% isopropyl is less prone to blush. Anyhow... i normaly dont spray shellac, it tends to orange peel alot. You can spray many different finishes and paints such as latex paint, oil based paint, shellac, lacquer, polyurethane, milk paint, stains and protectants, etc. Any help would be appreciated. Mario Castelo on 30 May 2017 at 12:57 pm There are also compressor driven HVLP gun’s that work as well or probably better than any turbine driven unit, but they require a beefy compressor, nowadays there is also LVLP (low volume low pressure) who don’t need as a powerful compressor and share the same transfer efficiency. How do you apply liquid shellac? Prior to using the sealcoat we only sprayed conversion varnishes (solvent) through the line. Anything over 5 psi at the gun inlet produces a wonderfully fine and even spray that levels out to glassy smooth in 30 seconds. Be sure to rinse the gun with clean … Just curious why you wouldn't use shellac over BLO? Good priming. I like using the Kremlin Airmix on both produces. The Gunman 173,361 views. The real bottom line is eliminate the first material (water or solvent based) and has enough flow to overcome the laminar flow, and you will never have a problem. Buy some of those bottle cleaning type brushes - they sell them at automotive paint stores, and … The adjustable fan size, along with a simplified design, gives superb results with a minimum of fuss, and is easier to clean as well. i use purdy brushes, but for shellac i use throw away's. I think you could successfully pad that cabinet. You can also choose to spray the entire drawer, if you prefer—for easier cleaning. No tannin with shellac Then after thoroughly rinsing the spray gun, use acetone to spray through and wipe down all the fluid parts. The can says it can be sprayed, so I used an HVLP gun, installed a 2.0mm tip/needle, and started spraying. So there was no reason to clean the gun (which amounts to nothing more than running lacquer thinner through it). Trade Price £730.00 . Be sure to rinse the gun with clean water, then store. For a better experience, please enable JavaScript in your browser before proceeding. to spray out before the next days work. To my surprise there was an inch or so of lacquer in the cup that had dried to the consistency of thick molasses – and I do mean thick. Here's a versatile brush set for cleaning all types of spray guns and airbrushes. I then padded the shellac on the cherry scrap piece and I'm pretty happy w/ the color. It is not really the cleanup time because I can clean my spray gun in 20 minutes. After using, wash brush out in solvent, use a wire brush or brush comb to clean very well, spin brush till dry and repeat process with clean alcohol. Thanks for all the help and responses on this :thumbsup:! A forum community dedicated to professional woodworkers and enthusiasts. Was this a bad idea to spray the Sealcoat through the line? Question Forum Responses After diagnosing the problem we discovered the hose was plugged up. On your spray guns you will need to take the fluid nozzle and needle assembly apart to get it completely clean. I then spray ammonia through the gun. Just let it set up, then soak it for a few minutes in DNA before the next use. I have done many fire restoration w/white pigmented shellac. Personally, I spray a 1.5 lb cut shellac with a tiny bit of turpentine as a retarder, using an Iwata LPH400 with a 1.2mm needle/nozzle setup. Forum Responses (Finishing Forum) From contributor G: Thin it out with denatured alcohol. The way I clean my gun after spraying shellac is to first use DNA spraying into a solvent catcher. I'll first spray a little straight DNA through it as well as rinse the container ( this DNA is saved for the brush soaking mentioned above), then soak the whole thing on household ammonia/water in a 5 gallon bucket. ya got to watch for loose hairs. Rinse through machine and gun well. No need to clean out you sprayer until the project is done. After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. Cleaning Your HVLP Spray Gun - 2013 Cleaning Your HVLP Spray Gun CLEANING SUPPLIES 1) Water or Solvent 2) Cleaning buckets for soaking parts, and dumping waste 3) Rags or Paper Towels 4) Cleaning brushes and toothpicks 5) Wrench 6) Gun Oil 7) Safety Glasses 8) Rubber Gloves DIS-ASSEMBLY and CLEANING 1) Pour the material out of your cup. I'm about to make my first go round at spraying shellac using my Graco HVLP sprayer. Dry to the touch in five minutes and ready for a recoat in ten. For different thicknesses different size Fluid Tips are available to … Thanks for sharing such a useful info about the furniture. From songbirdhd.blogspot.com, the major points are: Use a one-pound cut (one pound of shellac flakes in one gallon of alcohol), which can be sprayed through any spray gun that will spray lacquer. The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). For shellac, simply pre-flush with alcohol before spraying the shellac then flush with alcohol to clean followed by lacquer thinner before returning to spraying solvent based CV or lacquer. Can’t wait to see your results from others woodworkers.” – Bruce Kondracki “I have spray equipment and I use it. Use denatured alcohol to clean out the system, not water and ammonia. When switching from solvent base finish to water base, first flush completely with lacquer thinner, followed by alcohol or acetone then finally flush with water to prep the equipment for the water based finish. (Finishing Forum) I have a small compressor based spray gun which I always use for shellac. Clean gun = Better finish! I generally spray a 1 1/2# cut (with a 2mm needle), and use either 99% isopropyl alcohol or denatured alcohol, depending upon the temperature/humidity. I like using shellac-based primer such as Zinsser BIN, but I have never sprayed it until recently. The leftover alcohol I would save in a clean container to use next time when you thin the shellac. See Dropdown for Options) Found it cheaper? I would recommend having two sets of tips, one for the lower volume solids coating, and one for the higher volume solids. It takes about five minutes to do the correct flush sequence, and you are assured of a great finish with two different coatings. This will allow the sprayer to use his normal spray paths with both coatings. After he was done he flushed it out with water and ammonia mix (manufacture instructions).When we went to spray again the next day the sprayer would spray. December 1, 2009, KnowledgeBase: Finishing: General Wood Finishing. So there must be something in the application, too much fluid, not moving the gun fast enough, some other adjustment or such. We had a three flush program, and 3/16" ID lines. I also like the BLO over the cherry because it tames cherry's tendency to be blotchy. When cleaning your airless after running shellac through your pump. It consissts a a light coat of BLO, quickly wiped off and then quickly topped with shellac. Trade Price £1,195.00 . The final rinse with denatured, though probably not necessary as ammonia mix cuts it well. The spinner helps increase the life of the brush by spinning it and decreasing the water and loose shellac remnants on the bristles. Acetone is about the only material besides our If you apply a coating with a volume solids of 50%, and you put the same three wet mils on the substrate, it will dry down to 1.5 mils, which it too much. Gives you a beautiful smooth sheen finish. The hassle is the right space and location for a controlled spray booth. Most HVLP sprayer systems have a cleaning set included. Two days ago I took the spray gun, which is a gravity feed, off the hook and removed the lid to put in some lacquer. For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. 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Thumbsup: and one for the higher volume solids releases excess liquid from the brush by spinning it and the! Pro 250M airless Paintspray System HEA - Duration: 11:44 will need a couple of clean 5 gallon,. Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada glassy smooth 30. To one mil is quite good pmmatty, I do, I do spray shellac lot... It works even if the shellac has hardened contributor G: thin it out a smoother more. Cleaning Wagner Control Pro 250M airless Paintspray System HEA - Duration: 11:44 if we all had a flush., M5V 2H1, Canada through the line like that fairly well at the gun with clean..