You can also apply primer surfacer or filler over epoxy primer to get rid of any minor imperfections and to create a flat surface before you paint. | Principal Consultant, Bradley Consulting Services, | Head of the Corrosion, Arab Petroleum Pipelines, How To Conduct An AC Attenuation Survey on an Underground Pipeline, Anodize This: The Brilliance of Anodizing, How to Prevent Filiform Corrosion Under Coatings, 8 Things to Know and Understand About Iron Corrosion, Top Corrosion Mitigation Technologies to Watch for in 2021, Troubleshooting Cathodic Protection Systems and Function Systems. 2. What or when would a filler primer be needed. I like to use epoxy primer to seal my work at the end of the day. We offer this automotive primer in many forms, including the new OptiFlow Epoxy Primer Roll-On Paint System. The epoxy primer is highly resistant to humidity and high temperatures. Custom Shop - Gray DTM High Build 2K Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) Fast Dry High-Performance Primer for Automotive & Industrial use Kit includes 1-1/4 Quart of DTM Primer, SprayMax 3680033, 2K Epoxy Rust-Cure Primer, Gray, Aerosol (1), Epoxy Fast Dry 2.1 Low voc DTM Primer & Sealer White Gallon Kit, Eastwood Gray Epoxy Steel Aluminum Fiberglass Primer and Sealer Quart 1:1 Corrosion Resistance, RAPTOR 4:1 Anti-Corrosive Epoxy Primer Kit UP4831 Gray 1L, 2 Piece Set, Kirker Enduro Prime DTM Epoxy Primer Black EP612 One Gallon with Catalyst EPC611, 1 Gallon. It is also vital to check if the product is meant to be spray- or brush-painted. This company was established by a team of experts who researched the refinish market to determine the best and quickest techniques for mobile refinish repair. These carbon chains occur through a covalent bond, in which the elements share a pair of electrons.The term epoxy is broad and can at times refer to the epoxide functional group, which is made up of carbon and oxygen atoms in chains. A: Most primers can be used on bare metal. Over Metal Imperfections Not only does epoxy primer have great adhesion and sealing, but a high-build formula helps fill small imperfections in the metal. You can use a thinner to reduce its viscosity. can i put epoxy primer over rust encapsulor. One end of your swimming pool may be dry by the time you get to the other end. It allows paint to stick more easily for a shinier effect. Privacy Policy - With Self-Etch, if put it over different layers of paint, if put on too wet, it's going to lift because Self-Etching primer has acid in it. However, if you are looking for something that can work in different environments, the budget-friendly SprayMax 2K Activated EPOXY Primer is a must-have. } 1 Quart, 32 Fl Oz (Stone Coat Countertops), SprayMax 2K Activated EPOXY Primer Black 3680034, Custom Shop - Gray Epoxy Primer/Sealer 2.1 VOC (1 Quart Kit) Anti-Corrosive DTM High-Performance Primer for Automotive and Industrial use Kit = 1 Pint Epoxy Primer +1 Pint. By clicking sign up, you agree to receive emails from Corrosionpedia and agree to our Terms of Use and Privacy Policy. Keep a handful of our. And thanks to its wide spray pattern, you may complete your project sooner than you expected. Some primers and coatings need the entire surface to be uniform and all the same material. Zinc phosphate pigmentation offers some degree of inhibitive corrosion protection. There is no induction time required before application. Wear protective gloves and masks to reduce your exposure to toxic fumes. This cant be said for many primers! If you have a bigger area, let's say bigger than a gold dollar coin, you can mix up some epoxy and use that. Just abrade with sandpaper, apply your filler, sand flat and feather the edges. If you are not willing to put in extra effort to prepare the mixture beforehand, get this epoxy primer. Two-part epoxy primers are mostly used on steel and concrete and industrial applications like tank exteriors, water treatment plants, marine equipment, and power plants. This product is a sealer to use on different surfaces for protection from foreign elements to eliminate contamination! Choose the epoxy primer based on the material or you will be disappointed because it won't adhere. Note that if you let a vehicle sit in epoxy primer for five days or more, you will need to give it a light scuff sand before painting. If any of the above scenarios apply to your project, consider using, as a foundation. It can even seal small cracks and dents because of its amazing adhesion properties. Hi, Yes you can apply it over top. Two-part epoxy primer needs to be mixed thoroughly before applying. Its mixing ratio is 4:1. You can also get it together with a VOC reducer to decrease the quantity of volatile organic compounds. The primer can be used on a wide range of materials, including fiberglass, steel, and aluminum. Metal requires little prep work to apply it, the primer flashes/dries quickly and it came in 1K aerosol cans for small jobs. Curing occurs with the help of a catalyst in epoxy, which works as a chemical additive that increases the rate of a chemical reaction. Our opinion is if you're going to be doing some body work, the best thing is to put Epoxy Primer on top. This company was established in 1921 by Robert Ferguson, who was a sea captain. Epoxy primer seals out the oxygen from the metal along with moisture, chemicals and UV rays. Price and other details may vary based on product size and color. And although the surface is very hard, you can sand it with a sanding machine to create a very smooth surface that's easy to paint. | Head of the Corrosion, Arab Petroleum Pipelines, Corrosionpedia The online hub for corrosion professionals, Copyright 2022 The Driveand its partners may earn a commission if you purchase a product through one of our links. It is very suitable for use on properly prepared steel and concrete. For California, Delaware, or Maryland, order SMR-221. By: Krystal Nanan It must also be long lasting. Wed just suggest scuffing the encapsulator with at least a scuff pad before applying. Both Epoxy Primer and Self-Etch primer (Self-Etching primer) can be used on bare metal. This is a very strong adhesive that can be applied on different surfaces, like bare metal, aluminum, steel, gelcoat, and fiberglass. It is also easy to apply and leaves an even finish for a professional look. After bondo what do i seal it with,just primer, or apoxy primer filler? It offers long-lasting protection against corrosion and will protect your surfaces for a long time to come. Subscribe to our newsletter to get expert advice and top insights on corrosion science, mitigation and prevention. A two-part epoxy primer is known as a structural steel primer. However, it is much thinner than most epoxy primers and you may have difficulty applying it with a brush or a roller. There are no induction times with Self-Etching primer. Alternatively, you can apply filler or primer surfacer over the epoxy to fill any minor imperfections and block flat before you paint. It is a high build epoxy, which means you only need to apply a few coats for great results. It can be used on anodized aluminum, cold-rolled steel, hot-rolled steel, zinc-coated steel, fiberglass, and other materials. Although these valves exhibit slightly higher pressure We also love that it provides excellent adhesion to a variety of materials. Epoxy primers can be used to waterproof materials that consequently protect the bare metal from oxidation. Not only does epoxy primer have great adhesion and sealing, but a. helps fill small imperfections in the metal. This cant be said for many primers! Can be applied with minimal preparation (clean, degrease and abrade, refer to data sheets). It must be easy to apply, cure well, and leave a smooth finish. The product is sold as a 2-gallon kit or a -gallon kit. The ability of an epoxy primer to resist corrosion is related to its thickness; the thicker the epoxy primer layer, the better the protection.This primer can also be used on cracks and dents. The cans pressure is also not very high. Corrosionpedia Inc. - They only require a very thin coat in order to etch the metal surface and create a tenacious bond. It dries at top speed and will ensure you complete your priming jobs without sacrificing quality for speed. ", Then you can apply more epoxy primer over top and repeat as needed. The primer has excellent adhesion to most topcoats and will help keep actual paint from flaking or peeling. In the past, self-etching primer was the go-to coating to apply over bare metal on a car. They will save you time compared to getting out the spray gun, mixing up primer and then having to clean everything back up! After it cures, it is easy to sand and leaves a smooth featheredge (an edge that thins out like a feather). And don't forget to sand the material as soon as the primer cures, as it hardens very quickly. The best thing about this epoxy primer is that it can be applied even when the surface is damp. Read more. So, if you have just a small area and you're wanting to apply such corrosion protection to, a Self-Etching primer in a spray can may be the way to go. DTM can be applied directly to steel and then sanded just like a primer surface. This is the main reason why the government now regulates them. 4. When the viscosity is reduced, you can use it as a sealer, a ground coat, or a precoat before applying the top coat. 3. Ferguson had noticed that fish oil that had spilled on rusted metal decks prevented corrosion from spreading. What we like about this primer is that it is of high quality and makes any surface smooth after application. The one-to-one mixing ratio allows for precise mixing. Epoxy primer can also be applied over black iron, phosphate coating, fiberglass, and plastic. In an environment of 75 degrees Fahrenheit, it only takes 15 minutes to fully dry. Your recently viewed items and featured recommendations, Select the department you want to search in, 3M Auto Wet Or Dry Sandpaper 3 2/3 in x 9 in, 1000, 1500, 2000, 2500 Assorted Grit Pack, 5 Sheets, 3M Wetordry Sandpaper, 32023, 1500 Grit, 9 in x 11 in, 5 Sheets Per Pack. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. You can use the epoxy primer on a variety of surfaces, including fiberglass, anodized aluminum, cold-rolled steel, hot-rolled steel, and zinc-coated steel. The primer has excellent adhesion to most topcoats and will help keep actual paint from flaking or peeling. For California, Delaware, or Maryland, order SMR-221, TRANSTAR 6131 Gray 2K Epoxy Primer/Sealer - 1 Gallon, FP 410 Urethane Primer Sherwin Williams Restoration auto car Paint QT KIT FINISH1, RAPTOR Beige Anti-Corrosive Epoxy Primer 2K Aerosol UP4842 14.1 Oz, 7d-3 Cubic_Meters, 400ml, Awlgrip 545 Epoxy Primer Gallon 98-D8001g, White, Dupli-Color - FP101 Scratch Filler& Primer Gray, 11 oz, Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Ounce (Pack of 1), Gray, Prep, Prime & Set your Makeup for a Flawless Look, All customers get FREE Shipping on orders over $25 shipped by Amazon. Read our commitment to you regarding our Email and Privacy Policy. Epoxy primer is a sealer that produces a good surface finish on applied top coats. The owners simply wanted better products for their own boats because even the popular products had room for improvement. If you want to prime a large surface, it is important to get a primer that can do the job excellently in the shortest time possible. The kit includes one container of epoxy primer and one container of epoxy hardener. The great thing about this epoxy primer is that it can be used as a sealer for basecoat clear coat. The pot life is approximately 48 hours after the can is activated. It is available in black, white, and gray colors with differently-sized quart kits and gallon kits. Just abrade with sandpaper, apply your filler, sand flat and feather the edges. There are a lot of ways to do this. The addition of antioxidants and photo-stabilizers in the epoxy coatings shows excellent resistance during aggressive salt spray tests with a negligibly minor loss in the adhesion strength without any blistering. Custom Shop sells its epoxy primer/sealer separately from its hardener. The nozzle sprays the primer like a paint gun and has a wider spray pattern than traditional aerosoles. Epoxy primer seals out the oxygen from the metal along with moisture, chemicals and UV rays. Then you can apply more epoxy primer over top and repeat as needed. The reasoning behind that, Epoxy is the only primer that you can put body filler on top of. The clear activator may contain tiny pieces that don't dissolve. However, they emit dangerous gases into the environment that affect people's health. Im buying used doors and hood for a trailblazer so Ill be stripping them to bare metal so using 2k apoxy primer should go first correct? Rapid cure, allowing over coating with thin film topcoats in substantially less than 1 hour. 5% Off All Abrasives Marketplace Wide. Editorial Review Policy. 12 | 8 Methods of Coating Thickness Measurement, 13 | Coatings Specifications, Good, Bad or Ugly: Lou Vincent Q&A, 14 | Coating Holidays & Pinholes: Chinks in the Armor, has been studied under natural and accelerated environmental conditions, CUI Myth: The Cause of CUI is the Lack of Proper Coating, New Advances in Epoxy Protective Coatings, Step-Change Epoxy Coatings for Corrosion Under Insulation, 4 Types of Concrete Floor Coatings (And What You Should Know About Each), 5 Most Common Types of Metal Coatings that Everyone Should Know About, Metal Dusting 101: A Catastrophic Corrosion Phenomenon. It is primarily recommended as the first base coat over bare steel. body that are down to fiberglass. This means you may have to push the project outside overnight or while you do maintenance on the daily driver. For California, Delaware, or Maryland, order SMR-221W, Custom Shop Premium Gray Self Etching Primer, 1 Quart - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating, Eastwood Self Etch Primer Aerosol Gray Steel Aluminum Chrome 16 oz Net, SS-2790B-Q/SS-2790A-8 Super Fill High Build Primer BLACK. A: Yes, epoxy primer can be used on truck bed liners. A dry, very clean surface is needed before applying epoxy primer. ", Both provide corrosion protection, and both can be top-coated with primer surfacer. Very informative,thank you.Trying to learn the basics. This resulting cross-linkage proves to be responsible for the rigidity and strength seen in epoxy materials. As we had mentioned earlier, one-part epoxy primer can be applied on a wide range of materials (including plastic), while two-part primer is mostly used in industrial applications. It is designed using Eastwood's patented technology and provides a long-lasting finish, keeping your material beautiful for years to come. We decided to give you some insight on where and when epoxy primer works best. You have to buy the Transtar 6144 activator and mix the two products at a ratio of 1:1. While they do have good filling/build qualities, they arent quite at the level of a high-build polyester primer and wont hide imperfections as well. Epoxy Primers when used on metal are for corrosion protection and helping with adhesion. Where and When Do I Use Epoxy Primer on My Project? 2k DTM Expoxy . It retains its quality even when its not used for a long time. So than do I put a second finish primer down before I paint? Alternatively, you can apply filler or primer surfacer over the epoxy to fill any minor imperfections and block flat before you paint. For many car owners, getting a top-shelf epoxy primer is an uphill climb because there are so many options to choose from. One-part epoxy primer consists of a sealer that creates a smooth finish when applied on top coats. This two-part epoxy primer can be applied on fiberglass, gelcoat, sandblasted surfaces, rough concrete, and rough plaster. Simply reduce it 50% and lay a coat or two down to seal up all your work and have a nice surface to lay your base coat over top of. You can apply this epoxy primer over blistered fiberglass as a repair coat. The good thing is that they both come in two large containers. It is used to control or stop the flow of liquid or gas through a pipe. Keep a handful of our 2K AeroSpray Epoxy Primer Aerosols on hand for sealing up small areas. Thanks for the info. The aerosol spray comes ready to use, all you need to do is shake it beforehand. Think of it as they have to kind of get to know each other a little bit before they bond. Most of its products are developed after consultations with mobile refinish technicians and significantly reduce the repair time. "publisher": { If they're a high production shop, like a body shop that runs a lot of cars through, they're probably using Self-Etch. It also forms a protective coat to protect metals against corrosion. The primer also dries very quickly, almost too quickly. 5. Practice general safety every time you use epoxy primers as some are made of harsh chemicals. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking toAmazon.comand affiliated sites. Why is Stainless Steel Corrosion Resistant? The Eastwood AeroSpray Epoxy Primer is a good choice if you're looking for a primer that is easy to apply and also durable. However, while it is a great product, it doesn't come cheap and costs more than similar primers. Our reviews are driven by a combination of hands-on testing, expert input, wisdom of the crowd assessments from actual buyers, and our own expertise. and their use for auto painting as opposed to self-etching primer. All Rights Reserved. It's thinner than most epoxy primers and is difficult to apply with a roller or a brush. Epoxy Fast Dry 2.1 low voc DTM Primer & Sealer Black Gallon Kit, SMR-260B/261, FREE Shipping on orders over $25 shipped by Amazon, Black Epoxy Undercoat Epoxy Paint and Primer Mix for Coating MDF, Plywood, and Porous Materials! Metal required little prep work to apply it, it flashes/drys quickly, and it came in 1K Aerosol cans for small jobs. Where and when do I use Epoxy Primer on my project? For this reason, it works well for stacking if you need to correct an area that you didnt get perfectly flat and need a little more filler. With decades of combined experience covering the latest news, reviewing the greatest gear, and advising you on your next car purchase, The Drive is the leading authority on all things automotive. For this reason, it works well for stacking if you need to correct an area that you didnt get perfectly flat and need a little more filler. | Principal Consultant, Bradley Consulting Services, By: Mohamed Adel Mohamadein Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates. It dries quickly and offers protection against rust, corrosion, and deterioration. The zinc phosphate is added because of its corrosion-inhibiting properties. If youre doing some body work and you have some bare metal, you don't want to just put regular primer surfacer because it does not have the corrosion properties like Epoxy or Self-Etch. For California, Delaware, or Maryland, order SMR-221/222. The aerosol spray allows you to work with a lot of precision without using a paint gun. Use It for a Final Sealer A cool trick weve been doing for the past few years is using our epoxy primer as a final sealer before our base coat. Its been 25yrs since I painted cars, and techniques/ materials have changed a bunch! However, in the past 5-10 years, youve probably been hearing more people talk about epoxy primers and their use for auto painting as opposed to self-etching primer. This leaves no chance of rust or corrosion forming on the surface like some cheap spray bomb-type primers. With epoxy, you can lay it over just about anything, body work, sanded paint, metal and you're going to be fine. Epoxy can be more expensive, but then again.when you are already spending hard earned money on restoring the car of your dreams, a few extra bucks isn't going to break the bank. After curing, the resulting film is resistant to moisture, chemical, and abrasion. Two-part epoxy primers go one step further by including zinc phosphate, which increases its corrosion-inhibiting properties. Speedokote Fast-Dry Low-VOC DTM Epoxy Primer & Sealer, Rust-Oleum 247597 VK9300 Epoxy Spray Primer, Best Spray Wax: Great Options to Make Your Car Shine, Speedokote Epoxy Fast Dry DTM Primer & Sealer, In The Swim Epoxy Primer for Epoxy-Base Swimming Pool Paint, Eastwood Catalyzed Technology 2K AeroSpray Epoxy Primer. SprayMax has designed the can in such a way that it has a broader spray pattern than traditional aerosols. This is another important thing you must take into consideration. Thank you for subscribing to our newsletter! Etch primer included, epoxy primer is about the only bare metal primer you could leave a vehicle outside in without rust forming back under the primer quickly! If you are using a thick primer, ensure your spray gun has the right nozzle to deliver a uniform finish. Epoxy primers have excellent adhesion properties and will stick to bare metal, paints, primers and fillers. Great for DIY Countertop Epoxy Kits! It has been tried and tested by both professionals and DIYers, so you can buy it with confidence. For the best results, use a paint roller to apply it. Don't miss the latest corrosion content from Corrosionpedia! Hot-dip vs Cold Galvanizing: Whats the Difference? Terms of Use - The term epoxy refers also to the epoxy resins that usually appear after curing, curing being a term that refers to a chemical process in which a material hardens due to air, heat, or chemical additives exposure. If you are looking for a two-part epoxy primer you can use for your next project, get the TotalBoat Clear Epoxy Primer. However, in the past 5-10 years, youve probably been hearing more people talk about. Simply put, epoxy is the best primer for bare metal, making it excellent for newly fabricated metal parts or ones that have been fully stripped. The company makes a host of products, from epoxy primer to varnish. Simply reduce it 50% and lay a coat or two down to seal up all your work and have a nice surface to lay your base coat over top of. With a restoration shop, they're probably using more epoxy. Since epoxy primers adhere mechanically, they will grab onto most anything that has a good texture to the surface. A gallon is enough to cover up to 150 square feet. The fast dry characteristics allow the topcoat to be applied shortly after primer application. Generally, thick primers work best with a 1.7mm to 2.2mm tip, while base coats work well with a 1.4mm to 1.6mm tip. This is great peace of mind for a lasting paint job. If any of the above scenarios apply to your project, consider using Eastwood direct-to-metal epoxy primer as a foundation. "@context": "http://schema.org", So, how do you choose if you use Self-Etch or Epoxy? Its not more durable than a 1k primer and its spray pattern is very wide. A globe valve regulates flow in a pipeline. Some epoxy primers can be applied immediately while others must be mixed with other components before application. I like to use epoxy primer to seal my work at the end of the day. Thanks for the brief explanation. Picking the best epoxy primer may seem very straightforward, but it isn't. I can only do 1 piece at a time, like the roof, then the doors and then the side bed of the truck, am I going to have a problem doing it that way? "@type": "Organization", I have sanded with 80 grit and sanded thru rust to where I have a speckled or salt/pepper look ie (very very shallow low rust spots and partially thru the top of original oem primer). 6. This highly versatile epoxy primer is suitable for a variety of priming needs. Before applying the top coat, leave it to cure for 24 to 48 hours. They will save you time compared to getting out the spray gun, mixing up primer and then having to clean everything back up! While they do have good filling/build qualities, they arent quite at the level of a. and wont hide imperfections as well.