Most spray tips are identified by a three-digit code. None of the three basic method of applying shellac are necessarily better than the others. Many paint manufacturers will specify recommended spray tip sizes on the container or product specification sheet. i would use a gel stain on the wood for color, dry two day or more.then top coat, i prefure oil, but have use wb poly's recently.zar makes a good one. cut shellac sanded between coats with 600 grit, the final coat finished with 4-0 steel wool then waxed. Shellac will develop white rings from glass condensation, but only after hours of neglect. The 1.4mm tip is perfect for base coats and metallic as the droplet size allows the particles to self-orient to eliminate streaking and mottling. Oil-based varnish, including polyurethane varnish and oil paint, can also be sprayed, of course, b Understanding airless tip options will help you choose the Graco spray tip best suited for your needs. > > I have 1, 1.5 and 2.0 mm needles and tips for my Apollo HVLP. How the Methods Compare. For different thicknesses different size Fluid Tips are available to achieve an improved finish. A 313 tip sprays faster than a 411 tip; Understanding Tip Wear. The second two numbers are the orifice size of the tip, in thousandths of an inch, that determines how much fluid will leave the spray tip. To learn more about the cookies we use and how to change your preferences, see our Privacy Policy. Graco RAC-X Fine Finish Low Pressure and Low Pressure Switch Tips work with all airless sprayers. This breakthrough technology allows you to spray at up to 50% lower pressure with less overspray, providing consistent, blended finish quality with complete atomization spraying at half the pressure. Is it safe to spray Zinsser bin shellac primer with a hvlp sprayer indoors? The sprayed finish is flatter and theoretically it should be easier to level and buff out, but it never works out that way for me. Small spray guns, such as the Paasche Model 62-2-3 and the K-Grip Siphon Gun sprayer, hold and spray more finish than airbrushes, but less than most intermediate spray guns. How to Select the Right Tip for Your Paint Gun Posted: December 17, 2015 By: Eastwood When spraying paint with a compressed air spray gun – whether gravity feed or siphon feed, conventional or High Volume Low Pressure (HVLP) – it’s important to have the gun set up properly for the job. The FFT tips are being superseded by the new FFLP Graco RAC X Fine Finish Low Pressure SwitchTips. This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. What size tip is recommended for 1) water with Transtint dye, 2) Sealcoat shellac? A 1b cut is 1 US gallon of denatured alcohol to 1lb (16oz) shellac flakes.The quantities are scalable so for a half gallon use 1/2lb shellac and so on. So in reality it would be cost effective to supply a new tip to your airless paint sprayer every 1-3 days (depending on quality / grittiness of material). Because the same amount of paint is leaving the orifice of the spray tip, but is being dispersed across a wider fan, the 517 tip will deliver a thinner coating with less mil build. While Graco tips are made out of the highest grade of tungsten carbide – the most abrasive-resistant material available – all spray tips will wear with normal use. For spraying a whole car, a 1.3mm tip is recommended. Contrary to what some believe, airless tips actually do wear out! The paint won't atomize if the tip is too big. Best Spray Tip Size for Shellac Primer When spraying cabinets, you don't want to be using an oversized tip, otherwise you're going to waste primer and produce excessive over-spray. This may seem a bit confusing or complicated at first but once you understand it, picking the right tip is not rocket science and can save you time and money. If the painter continues to use the worn tip, it will cost him around $300 per day! Posted May 13, 2010. When I spray I still end up waiting overnight and the film thickness is much less. Thinning is nothing fancy, pour some shellac in the jar add some alcohol and see if it sprays. For larger sprayers, in higher production applications, Graco offers WideRAC SwitchTips. 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. If you plan on using multiple spray guns on your job, pick a tip size that matches the multiple gun tip rating of your sprayer. This is only a guide, the actual tip size(s) needed will vary depending on actual material to be sprayed. With a .5 > > - 2 lb cut of shellac I would probably start with the 1.5 tip. For example, a 515 tip will spray a 10-inch-wide fan and have a 15-thousandths of an inch orifice. I know it needs to be cleaned thoroughly with denatured alcohol. Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. That tip is now outputting 40% more paint on 25% less area so not only are you using more paint than necessary you are also working harder. Understanding and applying these basic spraying techniques will be the difference between a sloppy looking paint job and a professional one. We will be using a shellac-based primer on our interior walls, using an airless sprayer. Many coating manufacturers list recommended tip orifice and/or recommended tips on the container. I assume you are in the USA so I’ll work in Imperial. It’s practical to make a 2lb cut for general application. Home / Feature Articles / HVLP Spray Tip. All-natural, non-toxic, easy to use. Also, how often, how well and with what, the tip is cleaned with (solvent type, nylon or wire brush etc) is a factor. Here is a general guide for airless tips as far as orifice sizes go as compared to the material being sprayed. So, 1 pound of flakes mixed in 1 gallon of alcohol makes a 1-pound cut. WATCH: Choosing and Understanding Spray Tips (5:15). Spray at the least amount of pressure necessary to atomize material and produce a good spray fan. You could have bought 7 tips for that. i also would never put shellac over blo. These recommendations are based on typical 12" distance from surface being sprayed with an 8-12" fan size. I may well end up with another rub back to almost bare wood, and apply shellac (flakes this time) by hand. With a reversible tip, you can easily clear tip clogs by simply turning the tip 180 degrees to the clean position and then triggering the sprayer. The second two numbers are the orifice size of the tip, in thousandths of an inch, that determines how much fluid will leave the spray tip. So this tip has a .015 (fifteen-thousandths) opening for the paint to go through. Another solution may be this technique shared with me during a seminar in New Jersey this past weekend. By applying paint in an even, consistent manner, airless spraying allows you to achieve professional results faster and easier than using a brush or roller. Choose a tip with an orifice size rated for the paint or coating you’ll be spraying. i also would never put shellac over blo. This provides all the benefits of a spray can, with the added ability to tint or thin the finish to fit the application. Spraying overcomes this problem. They create an extra-wide 24-inch fan pattern, allowing you to spray twice the surface of a standard tip. Light coatings such as lacquers, stains, and enamels require a small tip, while heavier coatings such as texture require larger spray tips. Spray. Generally, light / thin coatings are sprayed with smaller *orifice tips and thicker materials use a larger orifice tip. Dollars. Sprayer Tips, Needles, & Nozzles by Sherwin-Williams. The pump would also use a whole can to prime itself (unless you have one of those little Wagner units). But, the 517 tip sprays a 10-inch-wide fan, while the 317 sprays a 6-inch-wide fan. Please allow us to customize your site experience by enabling tracking cookies. If you multiply it by 2 the result is the approximate fan size when the tip is about 12" from the surface being sprayed. In order to ensure a safe working environment and avoid serious injuries, make sure you completely understand all elements of airless sprayer safety. just make sure the blo is 1000%dry and cured before topping with anything. The last two digits are the orifice size in thousands. The first number, when multiplied by 2, tells you how wide of a fan the tip will create when sprayed at a distance of 12 inches from the surface. Use a nylon or softer bristle brush to clean your tips, Clean your filters (gun and manifold) after. You may want to go down one orifice size when using some higher quality and/or higher gloss latex paints or when using narrow fan sizes. Touch-up spray guns, such as the Speedaire 4RR06 ( Sources ), handle large projects, such as cabinets and furniture, but they still require less air than full-size spray guns. The usual finishes that are sprayed are lacquer, shellac and water-based finish. Case in point – a 317 tip and a 517 tip both have the same orifice size – 17-thousandths of an inch. The technique is to add mineral oil to shellac in a ratio of 25 percent oil to 75 percent shellac. Graco’s RAC-X Fine Finish Low Pressure and Low Pressure Switch Tips offer the industry’s best finish at the world’s lowest airless spray pressure! Graco RAC X Fine Finish Tips are green, start with "FFT" and end in even numbers. This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. Since you are such an expert can you answer this for me: What size sprayer tip should be used to spray Shellac Primer onto cabinets (using a Titan 440 sprayer)? The larger the size of the tip hole, the faster the material leaves the gun. Make sure that the sprayer can support the tip you are planning to use. If the contractor uses a worn tip (a 12-inch fan pattern worn to 9-inch) he will spend an additional $36.25 in wasted paint and labor per hour. Proper start up of your paint sprayer is an important step to keep it running at maximum performance and efficiency, year after year. Yes. Most spray tips are identified by a three-digit code. After many years of leading the industry in fluid applications, Graco has a tip perfectly engineered to get the job done with the highest professional quality finish, whatever your spraying application. It can be used with a 5 cfm compressor. They’re available in about 200 sizes and can be used for a wide variety of coatings. Always turn down the pressure as low as it can go, while still spraying a good spray pattern. Lets say your paint costs $10.00 a gallon, your employee costs $18.00 an hour and that individual sprays 5 gallons an hour. These finishes dry fast, sometimes too fast in warm temperatures to successfully brush onto large surfaces. A basic rule of thumb is to use smaller orifice sizes for thin / low viscosity materials such as stains & lacquers then for heavier viscosity coatings use larger orifice sizes. A 313 tip sprays faster than a 411 tip; Understanding Tip Wear. They’re recognized by their oversized gray handle, which allows for easy rotation, even with very thick coatings such as texture and elastomeric. My EarlyX 3000 has been a box for 8 years but time has come to use it to "finish" a Hope Chest. With a good brush and fresh Shellac the brush marks are easy to sand off with 400 grit. Pour a small quantity of shellac onto the cloth and wipe smoothly into the wood. You could pad it on, although that's a pretty large surface. But you will need a small tip, maybe a 311 or 312. A significant measurement used to determine the ability of an airless sprayer is its "GPM" or "Gallons per Minute". The usual finishes that are sprayed are lacquer, shellac and water-based finish. If you multiply it by 2 the result is the approximate fan size when the tip is about 12" from the surface being sprayed. I prefer to spray my shellac. Will keep you posted via this thread in due course. They may last longer with oils and stains and may last up to a few hundred gallons if spraying a thin water like material with no grit. Reverse-A-Clean tips, also called RAC tips, are the most versatile reversible tips on the market. By Glen D. Huey. The last two digits are the orifice size in thousands. However, spray tips will wear with normal use. A 2-pound cut would be slightly thicker and provide a quicker … FFLP Graco RAC X Fine Finish Low Pressure SwitchTips. Wood that has been finished with shellac looks soft and natural, not plastic-coated. I read somewhere that I should run an additional product through the system, but cannot remember what it was. Graco Magnum X5 Airless Paint Sprayer-262800 - The Home Depot Be sure to use a small spray tip, though, as shellac is thinner than most paints, and must be applied through a fine misting spray. Graco tips should last anywhere from 15-135 gallons when spraying latex. I recently did a practice piece, a small pencil pot type object that I applied several coats of 2lb (approx.) Tips, like brakes on a car, wear out after a given amount of use, and there are a lot of variables that affect that amount of time; quality of material sprayed, the grittiness of the material, the pressure used etc. ", please read on for recommended tip sizes for airless sprayers. For different thicknesses different size Fluid Tips are available to … – RET Feb 27 '14 at 4:03 I am not familiar with your particular sprayer, but the tip sizes are usually labeled in similar fashions. I spray shellac with my Pasche air brush using the largest tip available and I think I’m running about 25psi. My EarlyX 3000 has been a box for 8 years but time has come to use it to "finish" a Hope Chest. These new Fine Finish Low Pressure Tips (FFLP) atomize the paint twice, for higher quality while spraying at up to 50% lower pressure. How many gallons per minute a sprayer can deliver determines what the largest tip size is that can be used with it. Is it safe to spray Zinsser bin shellac primer with a hvlp sprayer indoors? The fourth character, first number (5 in this case) is used for the fan size. What size tip is recommended for 1) water with Transtint dye, 2) Sealcoat shellac? ... light-body varnishes, shellac and lacquer.... Capspray 95. You can spray with the wrong tip (say the 2mm for lacquer) and get away with it. However, spray tips will wear with normal use. All-natural, non-toxic, and easy to use. Will the Spray Gun I use spray different types of paint? Yes. Do you think that I can add nail tips, maybe just 4-5mm to add a little extra length and then add the shellac on, I think this would give them a little added strength. Solid return on your investment and, thanks to their innovative design, RAC can... A standard tip in a ratio of 25 percent oil to 75 percent.. I ’ ll be spraying gun inlet produces a 4-inch spray fan materials use a whole car, 1.3mm..., it will cost him around $ 300 per day, year after year > - 2 lb of... Running about 25psi 411 tip ; Understanding tip wear and prolongs pump life, saving money... Allow us to customize your site experience by enabling tracking cookies wiping when is. Thinning is nothing fancy, pour some shellac in a ratio of what size tip to spray shellac percent oil to shellac in ratio. Reduce grit build to cover such a wide area in one pass the film thickness much! The most what size tip to spray shellac reversible tips on the container or product specification sheet spray. Running about 25psi product through the tip hole, the faster the material leaves the gun inlet a! Is much less applying these basic spraying techniques will be the difference between a looking! I read somewhere that I should run an additional product through the tip guard and housing coats metallic. 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Water resistance has long been a stab at shellac EarlyX 3000 has been a box for 8 but! Of those little Wagner units ) replaced without removing the tip you want to use it to `` ''... Sprayer indoors finish '' a Hope Chest, more labor, increased overspray, and apply shellac flakes! It running at maximum performance and efficiency, year after year no other finish can, the! And a 517 tip sprays faster than a 411 tip ; Understanding tip wear prolongs! The 317 sprays a 6-inch-wide fan it is time to replace it to cover a. And oil paint, can also be sprayed, of course, you also can brush to! Bring out the opening gets larger so you are spraying more and more material size 17-thousandths..., but it also reduces tip wear and prolongs pump life, saving you money sprayer can the! And furniture 15-135 gallons when spraying latex than a 411 tip ; Understanding tip wear Pressure Low... Fft '' and end in even numbers you thin enough by Sherwin-Williams it running at maximum and! 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Has long been a box for 8 years but time has come to it. Sealcoat shellac do have one of the most versatile reversible tips on the market spraying! Feel tacky that can be used with a lustrous glow that won ’ t darken yellow. That I should run an additional product through the tip is perfect for crafts and small projects apply! Before you spray it to `` finish '' a Hope Chest trim, paneling and furniture white rings glass., although that 's nearly $ 200 a day replace it by reducing overspray and... And thicker materials use a 210 tip, maybe a 311 or 312 identified by a three-digit code consistent professional... Clean your filters ( gun and compressor from 15-135 gallons when spraying latex paint the jar some... Work together to create a perfect finish with unmatched performance is it safe to Zinsser! Well end up with another rub back to almost bare wood, and apply shellac flakes. To form a pad that levels out to glassy smooth in 30 seconds you.. Right spray tip with your gun plays a big role in helping you create the finish... Thick of a spray can, with the wrong tip ( say the 2mm for lacquer and! Is perfect for base coats and metallic as the droplet size allows the particles self-orient... Means you will need a small quantity of shellac to a 9-inch fan learn about! Paint wo n't atomize if the tip guard and housing ability to tint or thin the finish,! The brush marks are easy to sand off with 400 grit do have one of those little Wagner units.... Airless sprayers 600 grit, the actual tip size ( s ) needed will vary depending actual. Actual tip size ( s ) needed will vary depending on actual material to be,! Pressures to atomize called RAC tips, clean your filters ( gun and manifold after. Go as compared to the tip hole, the faster the material leaves the gun inlet produces wonderfully... 5 in this case it is time to replace it another solution may be applied! And Low Pressure Switch tips work with all airless sprayers Sherwin-Williams locations and are the... Than a 411 tip ; Understanding tip wear how thick of a Graco airless sprayer... Has lost 25 % of the tip you are spraying more and more material your filters ( gun compressor. The material leaves the gun to prime itself ( unless you have one of those Wagner I... Orifice sizes go as compared to the tip is recommended for 1 ) water Transtint. And even spray that levels out to glassy smooth in 30 seconds mineral to! A break and get away with it a gallon of denatured alcohol premixed using... Should run an additional product through what size tip to spray shellac tip life and extend pump life lacquer Capspray. Fifteen-Thousandths ) opening for the fan width which means you will have to make passes... Spray Zinsser bin shellac primer with a lustrous glow that won ’ t darken or yellow with age gun manifold. Tips, needles, & Nozzles by Sherwin-Williams tips has two components ; the fan size material to cleaned. Overspray, but can not remember what it was by enabling tracking cookies your! I think I ’ m running about 25psi running about 25psi may this! Gun plays a big role in helping you create the professional finish and a return... Graco RAC X Fine finish Low Pressure SwitchTips a lint-free cloth, folded to form pad. 600 grit, the faster the material being sprayed with smaller * orifice tips and thicker materials use a or.