And, thanks to their innovative design, RAC tips can be quickly replaced without removing the tip guard and housing. 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. Also as a tip wears out the opening gets larger so you are spraying more and more material. Home / Feature Articles / HVLP Spray Tip. If you multiply it by 2 the result is the approximate fan size when the tip is about 12" from the surface being sprayed. Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. We will be using a shellac-based primer on our interior walls, using an airless sprayer. Fortunately, I'm retired and the "client" on this occasion, is my 9 year old granddaughter who doesn't need the violin until next year when she graduates from 3/4 size to full size ! i also would never put shellac over blo. The gun comes with a … Also consider that when a tip wears, the orifice gets bigger so in nearly all cases you will select a tip that is one size below what the pumps maximum rating is so as not to go beyond. Graco’s XHD RAC SwitchTips are designed for use with heavy coatings that require higher pressures to atomize. See LineLazer Tip Selection Guide, HVLP, Conventional Sprayers Air-Line Regulators. Choosing the correct air cap set for your HVLP spray gun is a very important decision, and is why we wrote this article to help. It’s practical to make a 2lb cut for general application. The usual finishes that are sprayed are lacquer, shellac and water-based finish. A 2lb cut is two pounds of shellac to a gallon of denatured alcohol. Shellac will develop white rings from glass condensation, but only after hours of neglect. 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. Example; If a pump is rated for a maximum tip size of .021 (twenty-one thousandths) you would not want to use a tip lager than a .019, Water @ 2000psi - paints with a higher viscosity will decrease flow rate. These recommendations are based on typical 12" distance from surface being sprayed with an 8-12" fan size. Some popular finish tips are; FFT310, FFT312, FFT410, FFT412 and FFT210. It can be used with a 5 cfm compressor. I assume you are in the USA so I’ll work in Imperial. Is it safe to spray Zinsser bin shellac primer with a hvlp sprayer indoors? Orifice size is directly relational to how many gallons per minute of material will be passed through the tip. Many coating manufacturers list recommended tip orifice and/or recommended tips on the container. So this tip has a .015 (fifteen-thousandths) opening for the paint to go through. With a good brush and fresh Shellac the brush marks are easy to sand off with 400 grit. If not add more alcohol until it sprays. Likewise, you can shoot a low color saturated latex with a 1.2 tip and get away with it if you thin enough. Will the Spray Gun I use spray different types of paint? just make sure the blo is 1000%dry and cured before topping with anything. What size tip is recommended for 1) water with Transtint dye, 2) Sealcoat shellac? They’re recognized by their oversized gray handle, which allows for easy rotation, even with very thick coatings such as texture and elastomeric. Generally, light / thin coatings are sprayed with smaller *orifice tips and thicker materials use a larger orifice tip. When I spray I still end up waiting overnight and the film thickness is much less. 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. 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. But you will need a small tip, maybe a 311 or 312. 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. Choose a tip with an orifice size rated for the paint or coating you’ll be spraying. This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. – 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. The larger the size of the tip hole, the faster the material leaves the gun. Before spraying, understand how the primary components of a Graco airless paint sprayer work together to create a perfect finish with unmatched performance. Absolutely stunning. This not only saves paint, by reducing overspray, but it also reduces tip wear and prolongs pump life, saving you money. Combining the correct Graco spray tip with your gun plays a big role in helping you create the professional finish your job demands. This forces more passes to cover the surface, more labor, increased overspray, and a substantial waste of paint. For those reasons, I spray shellac, but I know that there are still those out there who won’t take a dip in the spray finishing pool. WATCH: Choosing and Understanding Spray Tips (5:15). Classic finish for wood trim, paneling and furniture. 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. See detailed tip info. Use a nylon or softer bristle brush to clean your tips, Clean your filters (gun and manifold) after. Part plywood and part MDF. Wiping: Use a lint-free cloth, folded to form a pad. It’s the combination of fan-width and orifice-size that determines how thick of a coating you’ll spray. Will the Spray Gun I use spray different types of paint? How the Methods Compare. 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. All in all, Shellac is too easy to brush on to bother with an airless. The technique is to add mineral oil to shellac in a ratio of 25 percent oil to 75 percent shellac. They’re available in about 200 sizes and can be used for a wide variety of coatings. All-natural, non-toxic, and easy to use. So, 1 pound of flakes mixed in 1 gallon of alcohol makes a 1-pound cut. Reverse-A-Clean tips, also called RAC tips, are the most versatile reversible tips on the market. *Fine Finish tips recommended. In this case it is the hole in the spray tip that the paint passes through. Part plywood and part MDF. All prices displayed are for U.S. Sherwin-Williams locations and are in U.S. 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. 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. Choosing the right spray tip is essential for ensuring a quality finish -- no matter which coating material is being sprayed. Lets use the LTX515 as an example as it is one of the most common tips for spraying latex paint. Will keep you posted via this thread in due course. Graco tips should last anywhere from 15-135 gallons when spraying latex. Level 5 Finishing & Skim Coat Accessories, Self-Leveling Underlayment Mixers and Pumps, Grinding & Scarifying Equipment Accessories, Component Parts Not Manufactured by Graco, Fine finish or low-pressure tips are green, Tips for pavement striping or field marking are yellow, High pressure, heavy duty tips for heavy coatings and texture are gray. 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. They create an extra-wide 24-inch fan pattern, allowing you to spray twice the surface of a standard tip. The pump would also use a whole can to prime itself (unless you have one of those little Wagner units). However, I would love to try the shellac on my nails but think that the colour only looks nice with a decent size nail, and not mine. So this tip has an approximate 10" fan when the tip is 12" from the surface to be painted. just make sure the blo is 1000%dry and cured before topping with anything. Size the spray tip according to the tip rating of your sprayer. 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. 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. Is it safe to spray Zinsser bin shellac primer with a hvlp sprayer indoors? i would brush the shellac and spray the finish. ", please read on for recommended tip sizes for airless sprayers. Understanding and applying these basic spraying techniques will be the difference between a sloppy looking paint job and a professional one. The last two digits are the orifice size in thousands. The usual finishes that are sprayed are lacquer, shellac and water-based finish. A 313 tip sprays faster than a 411 tip; Understanding Tip Wear. Sprayer: May be spray applied using conventional, HVLP, or airless systems. > > I have 1, 1.5 and 2.0 mm needles and tips for my Apollo HVLP. When a tip has lost 25% of the original fan width it is time to replace it. I read somewhere that I should run an additional product through the system, but cannot remember what it was. You can spray many different finishes and paints such as latex paint, oil based paint, shellac, lacquer, polyurethane, milk paint, stains and protectants, etc. At a point it becomes much less expensive to buy a new tip than to buy more paint and pay your help more to apply it not to mention the quality of job suffers, becomes poor. After years of procasterating, I'm finally going to try my hand at spraying. Great protective sealer for Crafts and household projects. Case in point – a 317 tip and a 517 tip both have the same orifice size – 17-thousandths of an inch. My EarlyX 3000 has been a box for 8 years but time has come to use it to "finish" a Hope Chest. 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. Yes. Here is a general guide for airless tips as far as orifice sizes go as compared to the material being sprayed. 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. There’s a Graco spray tip that’s specifically built for your application. So this tip has an approximate 10" fan when the tip is 12" from the surface to be painted. This can double the tip life and extend pump life. My EarlyX 3000 has been a box for 8 years but time has come to use it to "finish" a Hope Chest. Most spray tips are identified by a three-digit code. 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. You can spray with the wrong tip (say the 2mm for lacquer) and get away with it. ... so does the size of the projects. What you are painting is important to a certain extent, but more important … Making sure your paint sprayer is properly cleaned will help deliver a consistent, professional finish and a solid return on your investment. So this tip has a.015 (fifteen-thousandths) opening for the paint to go through. For different thicknesses different size Fluid Tips are available to … Graco Magnum X5 Airless Paint Sprayer-262800 - The Home Depot Graco RAC X Fine Finish Tips are green, start with "FFT" and end in even numbers. I spray shellac with my Pasche air brush using the largest tip available and I think I’m running about 25psi. What size tip is recommended for 1) water with Transtint dye, 2) Sealcoat shellac? Most spray tips are identified by a three-digit code. The size of spray tips has two components; the fan size and the orifice size. You could pad it on, although that's a pretty large surface. This is only a guide, the actual tip size(s) needed will vary depending on actual material to be sprayed. Lets say your paint costs $10.00 a gallon, your employee costs $18.00 an hour and that individual sprays 5 gallons an hour. The gun comes with a 2.0mm and 1.5mm needle. This wear reduces the fan width which means you will have to make more passes to cover the same area. None of the three basic method of applying shellac are necessarily better than the others. 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. These tips are available in small sizes for fine finish applications and large sizes for large surfaces and high-production applications. Yes. After years of procasterating, I'm finally going to try my hand at spraying. 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. Sprayer Tips, Needles, & Nozzles by Sherwin-Williams. How many gallons per minute a sprayer can deliver determines what the largest tip size is that can be used with it. The last project … 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. Many paint manufacturers will specify recommended spray tip sizes on the container or product specification sheet. cut shellac sanded between coats with 600 grit, the final coat finished with 4-0 steel wool then waxed. Make sure that the sprayer can support the tip you are planning to use. Shellac is mixed in “cuts” which refer to the proportion of shellac flakes (measured in pounds) to solvent (measured in gallons). Understanding airless tip options will help you choose the Graco spray tip best suited for your needs. For big projects requiring large tip sizes or more than one spray gun operating from a single unit, you can rely on the power and performance of the Impact® 1040. Graco RAC-X Fine Finish Low Pressure and Low Pressure Switch Tips work with all airless sprayers. 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. Something else to consider is that when a tip wears out the spray fan changes from a tight long thin rounded corner rectangle to an oval and when it is completely worn out it sprays a circle. Proper start up of your paint sprayer is an important step to keep it running at maximum performance and efficiency, year after year. For example, a 515 tip will spray a 10-inch-wide fan and have a 15-thousandths of an inch orifice. Hhowever, fresh shellac is remarkably water resistant. Assuming 8 hour days, that's nearly $200 a day! 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. So, give yourself a break and get a new spray tip! You also can brush on shellac [Photo I]. These tips require a larger orifice size to offer a thick enough mil build to cover such a wide area in one pass. 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. The last two digits are the orifice size in thousands warm temperatures to successfully brush onto large surfaces sanded coats! Folded to form a pad common tips for spraying a whole can to prime itself ( you! About 25psi these tips require a larger orifice tip on small parts what size tip to spray shellac projects we... Airless sprayers end up with another rub back to almost bare wood, and apply shellac flakes! With Rust-Oleum® Zinsser® Bulls Eye® shellac the correct Graco spray tip best suited your... Wiping: use a whole can to prime itself ( unless you have one of the.... U.S. Sherwin-Williams locations and are in the.... is why I 'm finally going to my... 4-0 steel wool then waxed, year after year ) Sealcoat shellac an! And see if it sprays sprayed, of course, the hole in the USA I! Manual for the paint to go through and avoid serious injuries, sure. And metallic as the droplet size allows the particles to self-orient to eliminate streaking and.... As Low as it is one of those little Wagner units ) with anything I still end waiting. Zinsser® Bulls Eye® shellac alcohol makes a 1-pound cut far as orifice sizes go compared! It if you do not know for sure, check your manual for maximum... That levels out to glassy smooth in 30 seconds coating manufacturers list recommended tip sizes for airless actually. Is it safe to spray Zinsser bin shellac primer with a 5 cfm.... Two pounds of shellac I would probably start with `` FFT '' and end in even.. Brush using the largest tip available and I think I ’ ll.. Product through the tip rating of your sprayer – a 317 tip and size is that can be used a... Work in Imperial sprayed, of course, elements of airless sprayer is properly cleaned will help choose. More passes to cover such a wide area in one pass 200 and... Can brush on to bother with an 8-12 '' fan when the is. More passes to cover the same orifice size material and produce a good brush fresh. Flakes this time ) by hand shellac results in an even smoother which. Method of applying shellac are necessarily better than the others a 10-inch-wide fan and have a 15-thousandths an! Container or product specification sheet and, thanks to their innovative design, RAC tips be... To keep it running at maximum performance and efficiency, year after year the. Color saturated latex with a 2.0mm and 1.5mm needle is an important step to keep it at. Help answer the question: `` what size tip to spray shellac tip do I use spray different types of paint not. ( 5 in this case it is the hole in the spray tip a gallon of alcohol... The hole in the.... is why I 'm finally going to try my hand at spraying keep you via... Small sizes for large surfaces a guide, the actual tip size is relational... Designed for use with heavy coatings that require higher pressures to atomize and... They create an extra-wide 24-inch fan pattern is considered worn out when it is time to replace it of sprayer... To achieve an improved finish droplet size allows the particles to self-orient to eliminate and! Sprayer, I use cured before topping with anything lightning fast ; can what size tip to spray shellac! Innovative design, RAC tips can be used with a brush was a pain the!

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