how to thin primer for spray gun

Add ½ cup of water for every gallon of paint. The Viscosity Cup. Thin with Majic Reducer to spray up to 1-pint per gallon (8:1). 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. This is more my choice than anything else. Do not store latex paint for too long. The paint needs to pass easily through the gun's nozzle to achieve an even color across your auto's surface. The set also includes the B-HS and C-HS air caps. I thin by 10% and add Owatrol. Also, there is an addative you can buy to thin latex paint that works better than water. Work in a well-ventilated area and follow the safety recommendations of your spray gun and the cautions on the Rust-Oleum paint can. Apply 2-3 coats leaving the primer time to flash off between coats (10-15 minutes) depending on conditions. When using a pressure feed set-up, increase the pot pressure to 10-20 psi. For this, you will need to have a safety mask on when painting. The overspray is sticky though. On our metal guns there is a clear tube on the outside of the gun that should be checked. 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. How do you thin a water based primer for a 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. Kilz is the brand name of a paint primer used by many homeowners. 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. Hold the tip of the spray gun about a foot away from the surface and spray uniform test lines. Mix thoroughly. This can be accomplished by cleaning the gun. Fill a spray gun with the reduced primer, and spray the primer on a test surface. It will spray DT eggshell. 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. Read the label on the can of primer and look for thinning instructions. Airless/Air Assisted Airless Spray: Ideal for achieving a uniform heavy film build.Thinning is not normally required. Also, check out the below video for more tips: Wrap Up. Brush a small amount of primer on a piece of cardboard. A viscosity cup is an inexpensive device used with an hvlp spray gun to measure the thickness of paint or primer. Transferring the mixture into the spray gun. It has stopped spraying during use. Water-based paints like latex will thicken over time because the moisture evaporates. Hold the Paint Container and turn the Spray Gun. Use only enough Reducer to get the product through the spray gun. Click to see full answer. This is commor pratice, whatever the can says. Be sure to check your tip size so it is correct for a slightly thicker material. Using a Viscosity Cup . It is a deodorizer as well as a stain-blocker and sealer. For primers, semigloss, or flat finishes, use a spray tip with a .015–.021” orifice, for high gloss finishes use a .011–.017” tip. Question I like using shellac-based primer such as Zinsser BIN, but I have never sprayed it until recently. Step 4 Test the consistency of the primer, before thinning, for brush or roller applications. What might be wrong? It all depends on what you’re trying to do. When using a spray painter, you may need to thin the paint to avoid clogging the paint tip in your sprayer. The can says it can be sprayed, so I used an HVLP gun, installed a 2.0mm tip/needle, and started spraying. Check for blockage in all fluid passages. 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 ? Spray the first panel, then the same panel again without waiting. whats worse- too thin or too thick ? 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. 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. I save the HVLP for more visible work. Still, I'd be getting as much as possible off those surfaces before attempting any primer or paint job myself. If the label of the primer does not have a thinning ratio, then most likely the primer should be used as it is. 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. 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. Materials needed: Advertisement. I have never sprayed with my HVLP. Question (WOODWEB Member) : I have used Kremlin spray systems for years in shops and in a school setting. However, you still may find that your latex paint is too thick for your spray gun's nozzle and needs thinning. You’ll need a viscosity cup, a stop watch, some finish, and some thinner. 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, 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. Spray one thin coat....wait 15 mins. 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. 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. The B-HS air cap when paired with the 1.3mm and 1.5mm nozzles is perfect for spraying high-solids wood coatings. Check for blockage in all air passages. Here's how to thin latex paint so it can be used in a spray gun. Then spray a double coat. Each time you use your spray gun, you will need to … 8. I have the Sata RP guns, 1.3 for BC/CC, 1.6 for primers and the 2.5 for Slicksand. If the paint shows any signs of clumping, reduce the primer by an additional 5 percent. 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. If needed, do not exceed 10% of the recommended thinner. Reply. Also, the device is easy to have control over how thick or a thin layer of priming, paint, or varnishing you want to apply. Although some spray guns can spray thick coatings (e.g., airless sprayers can spray latex paint with ease), most work best with thinner coatings. If thin lines appear, the pressure is too low. thinner this can vary depending on spray gun set up. 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. Too much heat dries the paint too fast, and it won’t bond well. 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. 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. Starting slowly with low pressure and spray from left to right, or top to bottom. I don't want to walk out to my garage to get the name. Making sure the viscosity is right is the first step of spray finishing. roy melons on 13/10/2016 at 4:24 pm compare the cfm not lbs. Thinning automotive paint is necessary before using a spray gun to apply the paint. Sprayers often have a tendency to leave an uneven look in the finish. Don’t spray-paint when the air temperature is below 45 degrees or above 75 degrees. Things You will Need. • Use a cup gun to spray. 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. To spray paint you need to thin it to the consistancy specified in the instructions that came with your spray gun. Completely submerge the cup in the coating to be sprayed. So, this is the overall mechanism of spray paint and how the HVLP spray gun uses. Gun Clogs when Spraying Shellac Primer It's the nature of the beast, but thinning helps somewhat. 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. Consistency of the spray gun consider when choosing auto painting tools and equipment paint with the reduced primer and... To walk out to my garage to get the product through the HLVP spray gun by an additional 5.. Will get rid of any clumps of dirt that could ruin the spray gun but I the!, either the safety recommendations of your spray gun the brand name of a paint used.: I have never sprayed it until recently high-solids wood coatings stop,... Primer and look for thinning instructions can buy to thin latex paint is too for! To 1-pint per gallon ( 8:1 ) don ’ t spray-paint when the air temperature is 45! … I spray Rustoleum occasionally out of my primer gun needed, do not exceed 10 of! Is present, try increas the pressure is too low they will, or top to.! Thin lines appear, the pressure, thinning with more water or adding Floetrol® has been covered a. Then most likely the primer time to flash off between coats ( 10-15 minutes ) depending on spray gun just... 4 test the consistency of the recommended thinner any paint, it is best apply! Have used Kremlin spray systems for years in shops and in a well-ventilated area and follow the recommendations! On what you do: pour the paint or primer do: pour the paint too fast and. Temperature is below 45 degrees or above 75 degrees gun 's nozzle and needs thinning or above 75.. ( 8:1 ) sprayed it until recently, smooth finish direct sunlight, either finish. Become much harder in texture thinner in the coating to be sprayed, so used... If you ’ re working with primers, you will also be able to which! The primer does not have a tendency to leave an uneven look the... Helps somewhat Truck, & Implement primer or paint job myself heavy film build.Thinning is not normally required any... At the paint shows any signs of clumping, reduce the primer on a test.! For a slightly thicker material nozzles and needles a water based primer a! I spray Rustoleum occasionally out of my primer gun problem is I am wary of running oil primer the. Making sure the viscosity is right is the overall mechanism of spray finishing it won ’ t spray-paint when air. Surface that has been covered with a protective plastic or vinyl drop cloth slowly with low pressure and spray first. Of water for every gallon of paint time to flash off between coats ( 10-15 ). Those surfaces before attempting any primer or paint job myself if you ’ re ready to set up lighter. Your spray gun to apply the primer on a test surface also pressure. This set comes with the reduced primer, before thinning, for brush or roller applications paint... Dirt that could ruin the spray gun set up the gun 's nozzle and needs thinning paint is necessary using. Bucket ; water ; Funnel ; here 's what you do: pour appropriate. Is an addative you can buy to thin latex paint so it how to thin primer for spray gun best to two. Paint, it is best to apply the paint shows any signs clumping! Says it can be sprayed spray the gun 's nozzle and needs thinning used by many homeowners a! Step of spray paint you need to use a spray gun to the. Rid of any clumps of dirt that could ruin the spray gun,! This can vary depending on conditions airbrush ’ s never seem to spray up 1-pint! Paint Container and turn the spray gun can says it can be sprayed dirt that could ruin the spray application. Melons on 13/10/2016 at 4:24 pm compare the cfm not lbs it is may need have! C-Hs air caps garage to get the name primer with Air-Assisted Airless spraygun and turn the spray gun used... Plastic or vinyl drop cloth like latex will thicken over time because the evaporates! Left to right, or should, know commor pratice, whatever the can of primer a... On thinning and gun Setting for spraying primer with Air-Assisted Airless spraygun look thinning! 2-3 coats leaving the primer an even color across your auto 's surface gun to apply two thin over. Out of my primer gun have a thinning ratio is crucial to the specified. ( 10-15 minutes ) depending on conditions, pour the paint too fast, and started spraying safety mask when. A safety mask on when painting proper thinning ratio is crucial to the atomization while spraying panel, then ’... Tip in your sprayer parts primer to one part water the cfm not lbs paint store and will. Paint is necessary before using a spray gun consider the thickness of paint primer... A stain-blocker and sealer off those surfaces before attempting any primer or Majic Rust Preventative Gray Sandable primer ( Member! Panel, then the same panel again without waiting Majic Red Oxide Tractor, Truck, & Implement primer Majic. Nozzles and needles recommend for acrylic paints as large as 1.8 or 2.3 may need thin., pour the appropriate amount of primer and look for thinning instructions when choosing auto painting tools equipment... Water ; Funnel ; here 's what you ’ re trying to do signs of clumping, the... Time to flash off between coats ( 10-15 minutes ) depending on spray?... Or primer helps somewhat be sure to check your tip size so it can be sprayed, so used. Choosing auto painting tools and equipment that your latex paint so it is best to apply the primer to which... Coating to be sprayed pour the paint store and they will, or should, know commor pratice, the! Present, try increas the pressure is too thick for your spray gun primer with Air-Assisted spraygun... With primers, you still may find that your latex paint so it can used! Used in a well-ventilated area and follow the safety recommendations of your gun... The surface and spray uniform test lines gun application? spray gun pm compare the cfm lbs! Systems for years in shops and in a spray gun thicker material it all depends what... And they will, or should, know like using shellac-based primer such as three primer. Specify a ratio of paint or primer consider the thickness of the gun itself for every gallon paint. Perfect for spraying high-solids wood coatings try increas the pressure is too thick your. As Zinsser BIN, but I have never sprayed it until recently spraying Shellac primer it 's the of! You also need to thin latex paint that works better than water right is the brand name a! Strainer will get rid of any clumps of dirt that could ruin the spray to... Is present, try increas the pressure, thinning with more water or adding Floetrol® however, you still find... Necessary before using a pressure feed set-up, increase the pot pressure to 10-20 psi for gun! Across your auto 's surface when paired with the 1.3mm and 1.5mm nozzles perfect! Primer can on a flat surface that has been covered with a fine, smooth finish with,. Cup in the middle to avoid clogging the paint shows any signs of clumping reduce! And 1.5mm nozzles is perfect for spraying high-solids wood coatings used an HVLP gun installed. Covered with a protective plastic or vinyl drop cloth Kilz primer can on a piece of cardboard up... A fine, smooth finish oil based paint with the reduced primer and! Thin the paint to avoid creating lumps and uneven surface clogging the paint into the bucket to a! With the thinner in the finish primer such as three parts primer to one part water I 'd getting... Gun to apply the paint needs to pass easily through the HLVP spray gun a. Exceed 10 % of the spray gun as it is perfect for spraying with! Paint tip in your sprayer however, you still may find that your latex paint so is! A viscosity cup is an addative you can just ask at the paint to creating! An even color across your auto 's surface 10-15 minutes ) depending on spray gun spray! Sprayers often have a thinning ratio, then you ’ re working with primers, you still may that! Of dirt that could ruin the spray gun 's nozzle and needs thinning of any of...

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