Thin with Majic Reducer to spray up to 1-pint per gallon (8:1). Hold the tip of the spray gun about a foot away from the surface and spray uniform test lines. Each time you use your spray gun, you will need to … Do not pour the primer directly into the spray gun cup but first place a strainer in the cup and then pour in the primer. Here's how to thin latex paint so it can be used in a spray gun. When using a pressure feed set-up, increase the pot pressure to 10-20 psi. If the label of the primer does not have a thinning ratio, then most likely the primer should be used as it is. Reply. Good luck Kilz is the brand name of a paint primer used by many homeowners. I don't want to walk out to my garage to get the name. Kilz Primer is a heavy-duty primer that can be brushed, rolled or sprayed on a surface, however, due to its viscosity the product must be thinned down for use in a paint sprayer. For this, you will need to have a safety mask on when painting. Most people will use an automotive spray gun to apply the primer. Since the paint comes out like a spray, you won’t have to deal with droplets on the floor. The label might specify a ratio of paint and a thinner, such as three parts primer to one part water. It will spray DT eggshell. This strainer will get rid of any clumps of dirt that could ruin the spray gun. Water-based paints like latex will thicken over time because the moisture evaporates. This can be accomplished by cleaning the gun. The paint needs to pass easily through the gun's nozzle to achieve an even color across your auto's surface. Setting up your gun. This is commor pratice, whatever the can says. 8. Though mineral spirits also thin Rust-Oleum oil-based paint, "Mineral spirits can be used for clean up only due to clean air regulations," according to Rust-Oleum's website. Spending money in buying quality sprayer and paint will go in vain if you don’t know how to thin oil based paint for spray gun. If so, pour the appropriate amount of primer and thinning substance into an empty bucket. Question (WOODWEB Member) : I have used Kremlin spray systems for years in shops and in a school setting. Brush a small amount of primer on a piece of cardboard. Airless/Air Assisted Airless Spray: Ideal for achieving a uniform heavy film build.Thinning is not normally required. thinning primers and paints for spray gun application ?? The bigger the better, read the specs on the spray gun box the check against the compressor and buy bigger than required because it’s always better to have more than less. November 14, 2014. On our metal guns there is a clear tube on the outside of the gun that should be checked. I thin by 10% and add Owatrol. • Use Majic Red Oxide Tractor, Truck, & Implement Primer or Majic Rust Preventative Gray Sandable Primer. Thinning automotive paint is necessary before using a spray gun to apply the paint. The Viscosity Cup. To spray paint you need to thin it to the consistancy specified in the instructions that came with your spray gun. If you thin it to much you may as well just shoot 2K. When using a spray painter, you may need to thin the paint to avoid clogging the paint tip in your sprayer. If thin lines appear, the pressure is too low. If it’s too cold, the paint dries too slowly, attracting bugs and dirt, and the gun is more likely to clog. Apart from it, you will also be able to know which things you need for proper paint spraying. My airbrush’s never seem to spray the paint long … Apollo's professional high-solids atomizing set is the perfect addition to the 7500/7700 spray guns for those who want to spray high-solids paints or clear finishes. but you can just ask at the paint store and they will, or should, know. Transferring the mixture into the spray gun. Stir the mixture to blend it evenly. If the paint sprays but severe orange peel is present, try increas the pressure, thinning with more water or adding Floetrol®. It is a deodorizer as well as a stain-blocker and sealer. Hopefully you can resolve the problem, the orange peel isn't a big deal but if it sands like concrete it kind of becomes one. The gun size can affect the flow and the resulting finish, meaning it could be the difference between a beautiful paint job and a thin, streaky mess. Making sure the viscosity is right is the first step of spray finishing. Check for blockage in all air passages. You also need to consider the thickness of the paint or primer that you are using. There are several factors to consider when choosing auto painting tools and equipment. So, this is the overall mechanism of spray paint and how the HVLP spray gun uses. The latest high volume low-pressure (HVLP) spray guns have an adjustable pressure setting and materials must be applied in accordance with the technical data sheets provided when you purchase the paint. whats worse- too thin or too thick ? Read the label on the can of primer and look for thinning instructions. Using a Viscosity Cup . Also, there is an addative you can buy to thin latex paint that works better than water. Remember not to start in the middle to avoid creating lumps and uneven surface. Still, I'd be getting as much as possible off those surfaces before attempting any primer or paint job myself. When the primer is dry, flat with a fine grit wet/dry paper, 800 grit or finer, the better the preparation the better finish you will achieve. Be sure to check your tip size so it is correct for a slightly thicker material. After which, its consistency will become much harder in texture. Starting slowly with low pressure and spray from left to right, or top to bottom. Use only enough Reducer to get the product through the spray gun. Problem is i am wary of running oil primer through the HLVP spray gun. After which, you can now start working. The set also includes the B-HS and C-HS air caps. I have the Sata RP guns, 1.3 for BC/CC, 1.6 for primers and the 2.5 for Slicksand. The idea here is to add the least amount of water to the paint to get it through the gun, and spray at a low ing enough pressure to maximize HVLP and still get good flow-out. When you spray Duramax or any paint, it is best to apply two thin coats over just one heavy coat. Advertisement. A viscosity cup is an inexpensive device used with an hvlp spray gun to measure the thickness of paint or primer. Spray the first panel, then the same panel again without waiting. Ford #4 viscosity cup. roy melons on 13/10/2016 at 4:24 pm compare the cfm not lbs. Also, check out the below video for more tips: Wrap Up. This is more my choice than anything else. Sprayers often have a tendency to leave an uneven look in the finish. Although some spray guns can spray thick coatings (e.g., airless sprayers can spray latex paint with ease), most work best with thinner coatings. As I recall the tech sheet for the Slicksand calls for a 1.8 or bigger so the 2.2 you have should be more than big enough. The general rule for how much to thin oil based paint for a spray gun is to remove about 1.5 cups of primer from a 1-gallon can and then add 1.5 cups of thinning agent to the product. Reply. And spraying a couple (or several) thin coats instead of one thick one, allowing each to dry completely before tossing on another, will likely prove the most successful. Use a normal type pressure container with approximately 25-40 psi fluid pressure, an air spray gun with a 1.8 or 2.5mm diameter nozzle and a suitable air cap with 25-60 psi air pressure. Mix thoroughly. If needed, do not exceed 10% of the recommended thinner. We will discuss the full procedure of mixing oil based paint with the thinner in the appropriate way. Ironically the slow drying time of oilbased paints mean that it you line 15 doors up against a wall and spray them in order, the overspray that lands on them won't be too much of an issue given that the paint is still wet. Incorrect Material Preparation. Materials needed: Advertisement. also what pressure do you use to spray the gun? Question I like using shellac-based primer such as Zinsser BIN, but I have never sprayed it until recently. Check for blockage in all fluid passages. Once you choose your tip and install it on your gun, then you’re ready to set up the gun itself. Spray one thin coat....wait 15 mins. • Use a cup gun to spray. You’ll need a viscosity cup, a stop watch, some finish, and some thinner. 5-gallon (18.9-liter) bucket; Water; Funnel; Here's what you do: Pour the paint into the bucket. Damp weather must be avoided, but a dry frosty day is ok. You must have a commpressor that can keep up with the spray gun, Click to see full answer. Step 1 Place the Kilz Primer can on a flat surface that has been covered with a protective plastic or vinyl drop cloth. Most painters will either use a paint pressure pot or gravity feed for spraying cabinets if your material is thick you will want to use a pressure pot. This set comes with the 1.3mm - 2.0mm nozzles and needles. Achieving a proper thinning ratio is crucial to the atomization while spraying. Also, the device is easy to have control over how thick or a thin layer of priming, paint, or varnishing you want to apply. It all depends on what you’re trying to do. Slowly transfer the mixture into the spray gun. Thinning and Gun Setting for Spraying Primer with Air-Assisted Airless Sprayguns A newcomer gets advice on thinning and settings for an air-assisted airless spraygun. September 16, 2008 . If the paint is too thick, you won't have an even flow out of the airbrush gun and the gun will continually get clogged. Then spray a double coat. Step 4 Test the consistency of the primer, before thinning, for brush or roller applications. I spray Rustoleum occasionally out of my primer gun. The primer is designed to stick both the paint and the surface where it is being applied, resulting in a powerful bond. Don’t spray-paint in direct sunlight, either. Gun Clogs when Spraying Shellac Primer It's the nature of the beast, but thinning helps somewhat. I save the HVLP for more visible work. Don’t spray-paint when the air temperature is below 45 degrees or above 75 degrees. The paint requires more thinning/mixing. The overspray is sticky though. Jump to Latest Follow 1 - 3 of 3 Posts ... and how do you know if they are thinned enough to use in the spray gun ? After properly thinning your material to spray your cabinet you will need to properly set air pressure to achieve good break up of your paint. However, you still may find that your latex paint is too thick for your spray gun's nozzle and needs thinning. Spray second thin coat..wait 15 mins. Hold the Paint Container and turn the Spray Gun. It has stopped spraying during use. Things You will Need. What might be wrong? Water-borne products - For conventional spray application, most water-borne products will require thinning up to a maximum of 10% with clean water to produce best results. The can says it can be sprayed, so I used an HVLP gun, installed a 2.0mm tip/needle, and started spraying. Ian on 26/02/2018 at 12:44 am What paint gun do you recommend for acrylic paints. Too much heat dries the paint too fast, and it won’t bond well. thinner this can vary depending on spray gun set up. The gun has only ever had latex through which means cleanup is a 5 minute job, and the thickness of the oil based primers and manufacturers instruction 'not to thin' means i'm not sure how to go. Spraying two lighter coats will eliminate this problem and leave you with a fine, smooth finish. You may not need to use a spray gun. If you’re working with primers, you may want to go as large as 1.8 or 2.3. Completely submerge the cup in the coating to be sprayed. etc. Fill a spray gun with the reduced primer, and spray the primer on a test surface. Work in a well-ventilated area and follow the safety recommendations of your spray gun and the cautions on the Rust-Oleum paint can. Add ½ cup of water for every gallon of paint. Using too much Reducer will slow the dry time. If the paint shows any signs of clumping, reduce the primer by an additional 5 percent. A low spraying pressure stops paint from atomizing correctly and results in thin strands of material being forced through the air cap of the spray gun. Onto the second panel then that panel again. I have never sprayed with my HVLP. Apply 2-3 coats leaving the primer time to flash off between coats (10-15 minutes) depending on conditions. The B-HS air cap when paired with the 1.3mm and 1.5mm nozzles is perfect for spraying high-solids wood coatings. For primers, semigloss, or flat finishes, use a spray tip with a .015–.021” orifice, for high gloss finishes use a .011–.017” tip. How do you thin a water based primer for a spray gun? Do not store latex paint for too long. Label on the outside of the gun itself then most likely the on... Amount of primer on a test surface 1-pint per gallon ( 8:1 ) can be sprayed so... ( 10-15 minutes ) depending on spray gun clumps of dirt that could ruin the spray.. Your gun, installed a 2.0mm tip/needle, and spray from left to,. 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