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. If the epoxy primer has been stored in a cold place, you can increase the viscosity and thus ensure more convenient application by placing the container in a large bucket of lukewarm water for some time. I’d hate to break it to you but it’s not quite that easy and it takes years of practice to get those results. Spraying clear with a 1.2mm will take longer because the tiny hole doesn’t flow much fluid through it but will give you a very fine finish. For example, if you are painting a small panel or a motorcycle gas tank, you should use a gun with a smaller spray pattern than if you are painting the side of a van. There are several factors to consider when choosing auto painting tools and equipment. Hi, good information. 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. Below we give a list of the common size spray tips and when/where to use them. Gelcoat Did Not Cure – What Caused It and What’s Next? ©2017 The Eastwood Company. All rights reserved. But most important to the quality of the job you are doing is using a gun with the right size fluid tip and needle for paint, primer or whatever else you are spraying. Here are some common tip sizes and recommended usages: 0.5-1.0mm – These are very common in detail spray guns because they provide a much smaller pattern compared to a larger tip on a full size gun. Eastwood carries a selection of popular sizes for the guns we sell. Works well with most base coats, and even thicker clears. As a general rule of thumb, thicker material like high-build primers use a bigger opening, while thinner liquids use a smaller tip. Thanks, Les, Sign up now to receive exclusive email deals, industry news, and new product releases.*. Some more experienced painters will use a larger tip like this, but it takes some expertise in mixing and gun setup to avoid runs and thick coatings of clear. We don’t suggest using these tips for paint or clear coat unless you just want to coat something quick and the final finish isn’t an issue. These sizes are also a good choice for lacquer paints. There are many different things to consider when selecting the appropriate size spray tip for each job. This concludes our rundown of the common sizes of fluid tips for the HVLP spray gun and what they are for, with the most common in red in the above picture. For example, primers are usually thicker than the accompanying paint so you should use a 1.7 or 1.8 mm tip to prime most surfaces. 1.5mm, 1.6mm – Versatile tip for base coats and single-stage paints. What you are painting is important to a certain extent, but more important is what you are painting with. 2.0-2.2MM- We’ve now reached fire hose status. 1.4mm – Great all-purpose size. 1.8-1.9MM- Now we’re up to the big-boy tips. Smaller surfaces will require a small fan width to reduce overspray. All rights reserved. These tips are only reserved for heavy, high build coatings like rust products, undercoatings, sprayable body filler, and extremely high build primers. A 1.7MM tip works well for sealer primers and is our second choice for deserted island painting. What Size Spray Tip Should I Use with my Spray Gun? Here’s what Kevin Tetz and Eastwood recommends for the Concourse HVLP gun. Most boat projects consist of large surfaces and so a wide fan will increase the spray coverage and also provide the ability to spray close to the surface without too much build up. Purchasing a set like these will allow you to spray all types of paints from the same gun, making it easier while saving you money. Most guns have the option of several different-sized spray tip openings with a matching needle for each one. 1.6-1.7MM- This larger tip is great for base coats and allows you a larger deposit of the coating on the surface. I’m thinking about getting the 1.2 tip and needle from you but waiting for verification from customer service. We offer a full line of paint guns, spray tips, paints, and all other supplies on our website. 1.4-1.5MM- These tips are the middle of the road and can be used for the widest variety of coatings. 2.0-2.3mm – For high-build primers and other thick materials. (See chart below.). http://boatpaintguide.com/gelcoat-spray-gun-the-right-tool-for-a-great-job/#.U_80dfldVWg, http://esmfg.com/aspnet_client/g860_hvlp_gelcoat_spray_gun.html, http://www.international-marine.com/paintguides/mpg_paintapplication.pdf, http://magnum.graco.com/products/M_Pages.nsf/Webpages/0Spray_Tip_Info, http://www.carcraft.com/howto/ccrp_0511_paint_spray_gun/#ixzz3Bheyr89Z, Bottom Paint Store Blog – How to Articles. Just curious. The next thing to consider is your project surface area. This determines the appropriate fan width that your sprayer will produce, that is, the shape in which the product will leave the gun nozzle. Hopefully this crash course in paint gun spray tips helps you choose the tips that will work best for you. Too thick of a paint won’t flow well through this size, though. This size is the closes to a universal tip as it comes. There are three main factors to consider when determining the size tip that will produce the best results. 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. Visit our painting products here: https://www.eastwood.com/paints.html, Sign up now to receive exclusive email deals, industry news, and new product releases.*. These smaller sized tips are most commonly used with clear coats and final top coats. It’s also the smallest size if you are shooting latex paint – not that you would do that with your good HVLP gun. Avoid spraying base coat or single-stage through these size tips as it will not atomize correctly and thus give a poor result. Choosing the proper HVLP spray gun tip size will give you the right combination of speed, efficiency, results and ease of clean-up. For example, primers are usually thicker than the accompanying paint so you should use a 1.7 or 1.8 mm tip to prime most surfaces. Does every tip size need it’s own individual needle? The amount of information on the subject can be overwhelming, so we at the Bottom Paint Store have done our best to make this step easier for you. These are used for applying heavy coatings like high build primers and sprayable fillers. This also makes it possible to spray further away from the surface without too much falloff because the fan is more focused. The 1.3mm is a great general clear coat tip and is also good for thinner base coats, waterborne and single-stage paints. This will get the product on in a hurry, but expect to have to sand the surface to smooth it out. If we were stuck on a deserted island and had to paint our car we’d choose one of these tips. Do not try to use these tips with thicker coatings like high build primers and undercoating. We use these tips often for applying our early stages of primer, especially epoxy primers. The 1.8mm is at the upper end of sizes for urethane primer surfacers, and the minimum size you want to use for a poly-urethane primer surfacer, which can use up to a 2.2mm. For spraying a whole car, a 1.3mm tip is recommended. We use these tips often for applying our early stages of primer, especially epoxy primers. This included which size tips to use in your HVLP paint gun and when to use each. You can however reduce the room for error by educating yourself on what tools and accessories are the best for your paint job. On TV it always looks oh-so-simple; just pour the paint in the paint gun, pull the trigger and you end up with a beautiful mile-deep paint job! You also need to consider the thickness of the paint or primer that you are using. Put simply, heavier coatings will require a larger orifice size than lighter ones. Most painters will stay in the range of 1.2 to 2.0 mm unless the paint being applied is specialized. You can still use the big gun for a small project, but it is going to be more wasteful and messy. 1.7mm, 1.8mm – 1.7mm is the smallest size you should use for most types of primer. The 1.8mm is at the upper end of sizes for urethane primer surfacers, and the minimum size you want to use for a poly-urethane primer surfacer, which can use up to a 2.2mm. If you adjust your gun correctly you can use these with clear coats, and also spray base coats easily.