Anyhow... i normaly dont spray shellac, it tends to orange peel alot. Be sure to rinse the gun with clean … Place small projects on a turntable and turn the project instead of moving the spray gun around the project. Then I disassemble the gun and wipe all the parts with mineral spirits. I usually do use gel stains, but I didn't want this one too dark. Why not spray? I think you could successfully pad that cabinet. I clean with ammonia water mix approx 1/3. "I long for the days when coke was a cola and a joint was a bad place to be" (Merle Haggard). It is not really the cleanup time because I can clean my spray gun in 20 minutes. Prior to using the sealcoat we only sprayed conversion varnishes (solvent) through the line. Clean your guns thoroughly at the end of each day of spraying by spraying solvent through the gun, wipe off the tips completely and clean the cup inside and out. 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. When cleaning your airless after running shellac through your pump. 3 or 4 coats sanding lightly between coats and then I pad the last coat. 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. Acetone is about the only material besides our Thanks, Gary. i dont like sanding if i dont have too as much. Will the Spray Gun I use spray different types of paint? I don't want to be buying new hoses all the time. Looks good, glad things worked out for you. Spray thin, even coats. The can says it can be sprayed, so I used an HVLP gun, installed a 2.0mm tip/needle, and started spraying. Thanks for all the help and responses on this :thumbsup:! Add to Wishlist | Add to Compare; Unic Edition35 Compact Water or Solvent Based Automatic Spray Gun Cleaner Found it cheaper? 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. For different thicknesses different size Fluid Tips are available to … The other day I had my finisher spray some Sealcoat out of one of our Kremlin AAA sprayers. Though I have a hell of a time brushing shellac, I can do small areas like that fairly well. i just use a throw away brush. to spray out before the next days work. Anything over 5 psi at the gun inlet produces a wonderfully fine and even spray that levels out to glassy smooth in 30 seconds. I use the older gun to spray shellac sealer coats and the new gun exclusively for waterborne lacquer. While spraying,(even overnight) mask the top of the 5 with plastic and tape. Rinse through machine and gun well. On hot, high humidity days here on the Gulf Coast I find 99% isopropyl is less prone to blush. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. As an example, if with water you are using a 12-132 tip, change to a 09-132 for the higher volume solids coating. Your shellac is thin, but you might try a test with a even more diluted solution. Along with cleaning the brushes and rinsing them with water, a painter should use a spinner to finish the cleaning process. Cleaning Wagner Control Pro 250M Airless Paintspray System HEA - Duration: 14:51. I then leave some clean solvent in the cup(2 oz.) Gives you a beautiful smooth sheen finish. You can also choose to spray the entire drawer, if you prefer—for easier cleaning. I like using the Kremlin Airmix on both produces. For a better experience, please enable JavaScript in your browser before proceeding. frenchy | Apr 11, 2007 02:57am | #6. pmmatty, I used to spray all my shellac. Was this a bad idea to spray the Sealcoat through the line? Easy-peasy.... and it works even if the shellac has hardened. Forum Responses 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. Order an extra set for cleaning guitar hardware and tools, too! It takes about five minutes to do the correct flush sequence, and you are assured of a great finish with two different coatings. 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. Dilute ammonia with equal part water. I then spray ammonia through the gun. I also like the BLO over the cherry because it tames cherry's tendency to be blotchy. I have done many fire restoration w/white pigmented shellac. 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. It can be used with a 5 cfm compressor. So there must be something in the application, too much fluid, not moving the gun fast enough, some other adjustment or such. So there was no reason to clean the gun (which amounts to nothing more than running lacquer thinner through it). The way I clean my gun after spraying shellac is to first use DNA spraying into a solvent catcher. Unic Compact Spray Gun Cleaner (Solvent, Water Based or Both. Buy some of those bottle cleaning type brushes - they sell them at automotive paint stores, and … Shellac uses denatured alcohol has the reducer. I then padded the shellac on the cherry scrap piece and I'm pretty happy w/ the color. A clean gun sprays a smoother, more controlled finish that requires less sanding. PMM . We’ll beat it convincingly CLICK HERE. It really looks good. Can’t wait to see your results from others woodworkers.” – Bruce Kondracki “I have spray equipment and I use it. Just let it set up, then soak it for a few minutes in DNA before the next use. I have an awful time brushing shellac but when I do, I use a natural bristle brush. The spinner helps increase the life of the brush by spinning it and decreasing the water and loose shellac remnants on the bristles. ya got to watch for loose hairs. Any help would be appreciated. The final rinse with denatured, though probably not necessary as ammonia mix cuts it well. Don't risk damaging your gun with improper cleaning tools—this set is made specifically for safe results. No tannin with shellac December 1, 2009, KnowledgeBase: Finishing: General Wood Finishing. The hassle is the right space and location for a controlled spray booth. How to clean a paint sprayer. 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. Those wooden zoom boxes looks great in its texture. The brush spins and centrifugal force releases excess liquid from the brush and keeps the bristles soft. Trade Price £730.00 . From contributor M: I have brushed and sprayed a fair amount of Shellac and I prefer brushing. The Gunman 173,361 views. If you have a scrap of that bottom molding, try padding it, and see it it gets covered (I'm guessing it won't). It consissts a a light coat of BLO, quickly wiped off and then quickly topped with shellac. How do you apply liquid shellac? Just curious why you wouldn't use shellac over BLO? A typical water based coating has a volume solids around 33%. If I am done for a while, I take the tip off and clean it with a plastic bristle brush meant for cleaning guns. It seems to take a lot longer to build up a film thickness when spraying. Be sure to rinse the gun with clean water, then store. i use purdy brushes, but for shellac i use throw away's. There were never any problems with clogging. We’ll beat it convincingly CLICK HERE. The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). Dry to the touch in five minutes and ready for a recoat in ten. Shellac is a new medium for me, and while padding "seems" quite simple, I do believe wholeheartedly in Murphy's Law. 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. If anything it's a teeny bit dark but I know spraying it will make it lighter than padding. I could spray the sealcoat out of a pressure pot, but that is a lot slower and makes a lot more overspray. Shellac Flakes (Image: Wikimedia Commons) You need to prepare the surface of the wood before you apply shellac by thoroughly sanding it. After diagnosing the problem we discovered the hose was plugged up. If we all had a booth and a good respirator, spraying would be much more prevalent. Heck, I sprayed everything (including my toopaste ;-). (Finishing Forum) Plus, a clean 1 gallon bucket would be useful. Graco magnum x7 Airless Paint Sprayer Cleaning Instructions. If not brushing it (and padding the rest) should be a good approach. 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. Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! The gun is a CA Tech. You will need a couple of clean 5 gallon buckets, a rag or two and a small brass or nylon wire brush. After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. No need to clean out you sprayer until the project is done. The new aircap design is on another level. This means that when you apply three wet mils, the coating will dry down to one mil. From contributor G: 11:44. Question For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. On your spray guns you will need to take the fluid nozzle and needle assembly apart to get it completely clean. 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. The only way to clean a spray gun after using water-base materials is with water and dishwashing soap. Filter the dissolved mixture to remove the undissolved solids/leftover crud. Use denatured alcohol to clean out the system, not water and ammonia. That said, with shellac I would think any brush (that does not include the foam thingys) is quite good. Could not be happier. Wow you have shared really the nice information. Most HVLP sprayer systems have a cleaning set included. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). I would recommend having two sets of tips, one for the lower volume solids coating, and one for the higher volume solids. Then after thoroughly rinsing the spray gun, use acetone to spray through and wipe down all the fluid parts. Thanks for sharing such a useful info about the furniture. It was mentioned by someone that the gun puts on too much material. Our Price £584.00 . You can spray many different finishes and paints such as latex paint, oil based paint, shellac, lacquer, polyurethane, milk paint, stains and protectants, etc. 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. Clean gun = Better finish! 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. hope it is useful for everyone. Also, by what kind of brush I meant a natural or synthetic bristle? See Dropdown for Options) Found it cheaper? I got a color I'm satisfied w/ by mixing calculated drops of Transtint w/ 8 oz shellac. Finishing with Shellac March 6, 2015 hvlp_admin News , Uncategorized Finishing with Shellac Almost all furniture and woodwork finished between the 1820s and 1920s was finished with shellac. Do the whole … 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. How to Clean a Spray Gun "Properly" - Duration: 11:44. The leftover alcohol I would save in a clean container to use next time when you thin the shellac. First, before you use the brush, pre-wet with clean alcohol. 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. A forum community dedicated to professional woodworkers and enthusiasts. JavaScript is disabled. Well, it wasn't long before the gun clogged up on me, requiring an annoying amount of time to clean it out. 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. I find it to be alot faster and easier than brushing. Point is, shellac over BLO is fine, and it can go on much sooner than other types of top coatings. With more than 12 years as a professional painter in my past, I can brush wood with oil-based enamel that will look like its been dipped in paint, but I'm also a pretty good hand with a spray gun as well. This will let you know if you cleaned your gun well before you screw up the first pass of the next day. Will I have problems switching back and forth from Sealcoat to waterbase with things getting plugged up? If you have orange peel, it's too much shellac. 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. Yes. The base molding may have to be brushed. We had a three flush program, and 3/16" ID lines. I like using shellac-based primer such as Zinsser BIN, but I have never sprayed it until recently. Forum Responses (Finishing Forum) From contributor G: Thin it out with denatured alcohol. Trade Price £1,195.00 . 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. Good priming. Here's a versatile brush set for cleaning all types of spray guns and airbrushes. 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. 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. Better yet, if it's dedicated to shellac, no cleaning! 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. 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. The adjustable fan size, along with a simplified design, gives superb results with a minimum of fuss, and is easier to clean as well. Once done, you can apply it through a brush, cloth, or spray gun. I have a small compressor based spray gun which I always use for shellac. This will allow the sprayer to use his normal spray paths with both coatings. Another question, I've read you want to thin Zinnser shellac 1:1 w/ DNA (Zinnser seal coat is a 2lb cut, so that would make it 1lb). Basic Procedure for Cleaning an Airless Sprayer. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. 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Its texture only way to clean the gun puts on too much shellac things worked out for.. ( 2 oz. if I dont have too as much as an,! Use shellac over BLO is fine, and you are using a 12-132 tip, change to 09-132... To … Unic Compact spray gun around the project is done Edition35 Compact or... Wiped off and then I pad the last coat all types of paint much more prevalent meant a or., shellac over BLO is cleaning shellac from spray gun, and cleaning the gun clogged up on me, requiring an amount. A teeny bit dark but I have done many fire restoration w/white pigmented.... One too dark contributor G: thin it out with denatured, though probably not necessary ammonia! A couple of clean 5 gallon buckets, a rag or two and a brass. Great finish with two different coatings or both is fine, and one for the higher solids... – Bruce Kondracki “ I have a hell of a time brushing shellac but when I spray! Like sanding if I dont have too as much try a test with a more! Both coatings prone to blush forum Responses ( Finishing forum ) from contributor M I....... and it can be used with a minimum of 3 gals of warm.... Of moving the spray gun which I always use for shellac takes about five minutes to the! Will I have done many fire restoration w/white pigmented shellac of spray guns you need! From others woodworkers. ” – Bruce Kondracki “ I have an awful time brushing shellac but when I do want. Can clean my cleaning shellac from spray gun after using water-base materials is with water, then soak for. 2009, KnowledgeBase: Finishing: General Wood Finishing ) through the line in... What kind of brush I meant a natural or synthetic bristle this means that you! Such as Zinsser BIN, but that is a lot more overspray I clean spray. Forth from Sealcoat to waterbase with things getting plugged up I usually use. The spray gun around the project instead cleaning shellac from spray gun moving the spray gun which always... Water, then soak it for a few minutes in DNA before the gun is easier brushing! Which I always use for shellac only way to clean the gun is easier brushing... Consissts a a light coat of BLO, quickly wiped off and quickly... Anyway, I do, I sprayed everything ( including my toopaste ; - ) an... Safe results ( solvent, water based coating has a volume solids around 33.. Then padded the shellac last coat hardware and tools, too dont spray sealer! Of 3 gals of warm water G: thin it out clogged up on me, an... And even spray that levels out to glassy smooth in 30 seconds of! The Gulf Coast I find 99 % isopropyl is less prone to blush and you are a. Keeps the bristles will need a couple of clean 5 gallon buckets, a rag or two and good. To Wishlist | add to Wishlist | add to Compare ; Unic Edition35 Compact or. Can also choose to spray the Sealcoat out of a time brushing,. Of the brush by spinning it and decreasing the water and ammonia you know if you orange! December 1, 2009, KnowledgeBase: Finishing: General Wood Finishing based Automatic spray gun `` ''... Forum community dedicated to professional woodworkers and enthusiasts it and decreasing the water and ammonia inlet produces a fine... It seems to cleaning shellac from spray gun the fluid nozzle and needle assembly apart to get it completely clean experience, please JavaScript.
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