If you have media blasted your car sand it with 80 grit sand paper. This is for the epoxy to stick to. Blasting leaves the body too slick. Wash and dry as soon as possible. Then spray with 2 coats of epoxy. Since yours has etching primer on it just scuff it down with a red scotchbrite pad. Then you can spray it with epoxy with 1:1 activator.In summary, self-etching primer is a highly effective primer that chemically bonds with metal surfaces, creating a rough surface that enhances the adhesion of paint. Its acidic component, usually phosphoric acid, etches the metal surface, creating a strong chemical bond that is resistant to rust and corrosion.Advertisement. In the past, self-etching primer was the go-to coating to apply over bare metal on a car. …. We decided to give you some insight on where and when epoxy primer works best. 1. Over Bare, Clean Metal - Epoxy primers are amazing at sealing up bare metal and from allowing moisture or corrosion to creep in.Below are some products that may help you finish the job associated with Self Etching Primer. SEM Solve. Part #38371. XXX Universal Surface Cleaner. Part #77771. Similar Products. Metalock™ DTM High Build Primer. Part #ML010. High-Build Primer Surfacer. Part #42003. Waterborne Flexible Primer. Part #39221.4273 posts · Joined 2004. #4 · Sep 11, 2009. dont listen to me or anyone else on this. call ppg or dupont or whoever you use . i use spi and it is not recommended period. you need nothing under epoxy but clean metal. no acids of any kind. shine mccarver. crazyhorse rod shop. www.crazyhorserodshop.com. Like.I was planning on using PPG MP 170 Epoxy, but after doing some reading on the net, it sounds like a self etching primer would be the course. The article stated that on older restorations, it is better use a self etching primer for metal with surface rust. The article also said that self etch primer was better for corrosion resistance. HUh....you do not use a 2k urethane primer/surfacer on bare metal. you MUST use epoxy or self etching primer. every paint company will have both in their line somewhere because you cant do without it. a primer/surfacer is a highbuilding primer. it will build up thick so you can block it flat and remove imperfections. epoxy and self etch usually do not do this, although there are exceptions. they have ...SMR-260G/261 2.1 VOC Epoxy DTM Primer/Sealer Gray This sale is for a gallon of fast dry grey 2.1 lbs/gallon voc epoxy primer (SMR-260G) and a quart can of epoxy catalyst (SMR-261). The SMR-260 is 2.1 lbs/gallon voc and compliant everywhere.The SMR-260 is a fast... $149.00. Add to Cart Compare. Quick view ...Jota-Etch is a modified etch primer designed to improve adhesion between the substrate and the next coat. Its phosphoric acid base provides good surface adhesion, making it ideal for galvanised steel, stainless steel and aluminium substrates. This product is recommended for industrial buildings and general industrial settings.Epoxy is a great product for restoration work and most brands can be applied on clean bare metal (No rust). It does not convert rust. Epoxy cannot be applied over etch primer. (They do not like each other) Also Some epoxies can even have body filler applied over the top after a proper cure.An ideal etching primer for spot and panel repairs. The Finish 1™ FP301 Etch Primer is a lead and chromate free etch primer that is ideal for spot/panel repairs where bare metal is present. It increases both adhesion and corrosion protection on bare substrates. It fills minor surface imperfections and may be top-coated directly for quick and ...Advertisement. In the past, self-etching primer was the go-to coating to apply over bare metal on a car. …. We decided to give you some insight on where and when epoxy primer works best. 1. Over Bare, Clean Metal - Epoxy primers are amazing at sealing up bare metal and from allowing moisture or corrosion to creep in.Watch the interaction with the phos acid coat and your next coat. Some react in such a way as it appears as though the treated metal spits the primer off like spitting a watermelon seed. Real Epoxy prime can be had in spray can, it has a internal tube of activator that you need to break and has a few hours life. No tube and its junk usually.Below the Waterline. Compatible with all Pettit manufactured antifouling paints. Offers protection to bottom paint and promotes better longevity. When properly top coated, it provides a system of excellent overall adhesion. Tweets by PettitPaint.Fast dry metal primer is an anti corrosive, solvent based metal primer for ferrous metals including mild steel, carbon steel, stainless steel, cast and wrought iron. Palatine's version is specially formulated for spray application and is touch dry in 15 minutes. Sometimes you'll find this kind of primer referred to as cellulose primer.Etch is old tech, Epoxy is modern tech. OEM's recommend epoxy for all repairs, no OEM's that I know of recommend etch primer. As for the differences it's been …Aug 15, 2009. #5. I've put epoxy primer all over my Landy, on steel and ally e.g. floors, tunnel, seatbox sides + tops etc and the chassis inc other steel bits. I also do ally bike bits in it, last bike had frame, panels, engine, forks, carb parts, wheels etc done with it. Prefer epoxy because it goes on steel, ally, fibreglass and plastic, so ...EPOXY vs ETCH PRIMER - WHICH ONE DO YOU NEED ?? 30,812 views. 526. #bogdustforbreakfast #epoxyprimer #etchprimer #harleydavidson Which primer do you …I haven't use etch primer in over 25yrs, BUT! I painted a stripped aluminum boat with etch first, then urethane back in the early 90's, (The etch was a 1K product) Several yrs later I repainted it, sanded the paint, sprayed epoxy, then used urethane again. Worked great and held up well. But then several yrs later I wanted to change the colorDetailed Description. Nason 491-17 Etch Primer is a non-sanding primer designed to provide exceptional adhesion and corrosion resistance over bare metal. This product eliminates the need to chemically pretreat metal surfaces before priming. This Etch Primer is a two-component product and must be mixed with Nason 441-43 Activator Reducer.The basics of using automotive primers, acid etch primer, epoxy primer, and urethane high build primer explained, as well as basic prep work, block sanding a...For brushing if viscosity is higher than 60-80 sec then only add Epoxy thinner to get proper viscosity. It helps to get proper DFT. Use 10 to 15 % Epoxy thinner for conventional spray. For galvanized iron and aluminum use TC Etch Primer before application of Epoxy MIO Primer. Mix the quantity perfect in ratio.super etch primer should be overcoated within three months of application. high performance key coating, specifically designed for direct application over mild steel, ZINCALUME®, COLORBOND®, chrome, brass, copper, lead and lead alloys, stainless steel, aluminium and galvanised iron. may be used as a primer or, when applied in mist coats, as ...Light coat of etch primer followed by two wet coats of a high build primer.. once dried sand with 500 dry on a flat block (where possible). Failing to use high build primer and then block flat will result in an uneven and rippled finish.Self-etching primers have to have another primer over the top of them or the paint won't adhere. It can't be an epoxy primer, but it can be a urethane primer. In the meantime, it's important to talk to your paint dealer about the time window allowed between the primer and paint topcoat. Some are a few hours; others allow several days.2.8 VOC Chromated Epoxy Polyamide Primer, MIL-PRF-23377K, Type 1 Class C2 is a 2.8 lb/gal VOC compliant, epoxy polyamide primer. It meets MIL-PRF23377K, Class C2 composition and performance specification. It is used as a primer under MIL-PRF-85285 polyurethane topcoats. Interested in learning more or purchasing this product?Yes, epoxy primer can be sprayed over Rust-Oleum Self Etching Primer. Epoxy primer is a high-build primer that provides excellent adhesion and corrosion resistance. It is often used as a basecoat for automotive finishes. Rust-Oleum Self Etching Primer is designed to promote adhesion to bare metal and other surfaces, including previously painted ...Removing any substance from your car's paint, including primer, is a delicate task. A car's paint can be easily damaged by certain chemicals or cleaners during removal, costing hun...It is best to put the epoxy primer over the etch primer within a half hour or so. This gives the epoxy a good bite. Epoxy primers are not meant to be sanded. This combination will keep your car from rusting until you go to the next step, which is a high build polyester primer. This is the stuff that you block sand to get the super smooth finish ...Remove the all the filler and lacquer primer and be done with it, knowing what you have. All epoxy primers can be applied over body filler. Epoxy needs the metal to be sanded with 80 grit to get the best adhesion. 80 grit metal, clean the metal with a surface cleaner or WG remover and spray 2 WET coats of epoxy.Feb 3, 2024 · Two-part epoxy primers are also a good option as they provide waterproofing and strong adhesion. Avoid using etch primers in coastal environments, as they are not sufficient for corrosion protection. Conclusion. Self-etching primer is a crucial step in achieving a durable and professional finish when painting chrome surfaces.This study found that an etch-primer formulation that incorporated Nubirox 301 showed comparable results in adhesion and corrosion inhibition when compared to a traditional, commercial etch primer that contained zinc tetraoxy chromate. ... Nubirox 301 at an addition of 3.0% t.f.w. in a 2K epoxy/phenolic-modified PVB self-etching wash primer ...Watch the interaction with the phos acid coat and your next coat. Some react in such a way as it appears as though the treated metal spits the primer off like spitting a watermelon seed. Real Epoxy prime can be had in spray can, it has a internal tube of activator that you need to break and has a few hours life. No tube and its junk usually.Clean the Chrome Surface: Before applying the primer, it is crucial to clean the chrome surface thoroughly. Use a mild soap and water solution to remove any dirt, grime, or grease. Rinse the surface with clean water and pat it dry with a lint-free cloth. Sand the Surface: Next, lightly sand the chrome surface to create a rough texture.A two-component, self-etching primer designed for spot, panel and overall repairs. It is fast-drying and provides excellent corrosion resistance and direct-to-metal adhesion. Features. Direct-to-metal adhesion; Self-etching; Excellent corrosion resistance; Product Details. Type: Etch Primer:Wattyl Killrust Etch Primer 500mL Anti-corrosive primer Fast drying Rust inhibiting pigments reduce damaging rust and corrosion Promotes excellent ... a fast-drying, high-performance, single-pack epoxy primer that is designed for the priming of all bare metal substrates.Wattyl Killrust Etch Primer 500mL may be applied to an extensive range of …When it comes to painting challenging surfaces, a good quality primer can make all the difference. Difficult surface primers are specially formulated to adhere to surfaces that are...Presidential candidates face their first big test during the Iowa caucuses. Our primer explains the workings of this piece of the election process. Advertisement Presidential elect...Which Paint Primer is Right for You? Etch Primer vs Epoxy Primer When it comes to painting, choosing…Posted August 7, 2016. On 8/6/2016 at 6:42 PM, pt756 said: what does 2k primer stand for is that a 2 stage self etch maybe just wondering I still use the self etch primer have not tried the epoxy yet. I think the 2K just means you have to add a hardener/activator to it. So I guess technically epoxy primer is "2k."Etch primer The purpose of etch primers is to replicate the cataphoretic dip priming process used by vehicle manufacturers to protect panels against corrosion. Etch primers contain an acid which etches bare metal, ensuring that there is a very strong bond between the primer and the panel surface. Etch primers are normally used on bare metal ...In this video Scott goes over self etching primer, which will adhere to steel, stainless, aluminum and more! Buy it HERE: https://www.eastwood.com/eastwood-s...You definately should seal over any type of self etch primer, self etch primers are a 1K product that will saturate with solvent given the chance. Some self etch primers also serve as a surfacer but definately seal before paint. Epoxy primer is a better way to go, the benifits are plenty and the disadvantages are few.I would scuff either after 24 hours. Imo, epoxy all the way if your not in a hurry to sand right off the bat, my shop uses the matrix brand and I swear by it.... The rattle can etch would be fine if you sanded through the epoxy to bare metal, and needed to re-prime a small spot. As always test a...There are three effective ways to top coat RustSeal with an epoxy primer effectively so that the coatings bond & fuse together. 1) Apply your epoxy primer once the second or final coat of RustSeal is dry-to-the-touch and does not leave a fingerprint (usually 3-10 hours depending on temperature and humidity). 2) Let the second or final coat of ...Epoxy primer vs. etching primer. Jump to Latest Follow 3736 Views 6 Replies 5 Participants Last post by petrified.rabbit, Jun 14, 2007. OptimusGlen ...In summary, self-etching primer is a highly effective primer that chemically bonds with metal surfaces, creating a rough surface that enhances the adhesion of paint. Its acidic component, usually phosphoric acid, etches the metal surface, creating a strong chemical bond that is resistant to rust and corrosion.Conclusion. Etch primer is an important step in painting, but it is not always necessary. It depends on the surface you are painting and the paint you are using. Before painting bare metal, it is always recommended to apply an etch primer to the surface. This will assist in preventing corrosion and other damage to the metal and give the ideal ...You apply a primer to bare metal say etch or epoxy then cover that with an urethane primer surfacer to block sand. The reason I metioned K36 is because it can and will lift etch primer (given the right frame) to justify my reason of why etch primer is junk IMO. Heck Ive even been biten in the arse by seam sealers peeling etch primer right off ...Rust-Oleum 8781502 Stops Rust Flat Aluminum Primer. Water-based acrylic produces a durable protective coating with excellent rust prevention. It is both weather and corrosion resistant, and it is formulated for aluminum galvanized metal.Dries to the touch in 1-2 hours and covers up to 55-90 square feet.#bogdustforbreakfast #epoxyprimer #etchprimer #harleydavidson Which primer do you need for your project?in this video i give you a guide on which one to usef...Conclusion. Etch primer is an important step in painting, but it is not always necessary. It depends on the surface you are painting and the paint you are using. Before painting bare metal, it is always recommended to apply an etch primer to the surface. This will assist in preventing corrosion and other damage to the metal and give the ideal ...Self-etching primer also requires no prep and includes an active ingredient that protects against corrosion. For an effortless priming experience, self-etching primer is a great solution. It possesses durable quality and the perfect seal pre-painting. Benefits of Self-Etching Primer . When it comes to Self-Etching Primer, there are quite a few ...Epoxy primer and self-etching primer has some differences. A small comparison helps you to easily understand their task and characteristics. Epoxy primer is catalyzed, and regular self-etching primer is solvent-based. Self-etching primer binds bare metal surfaces well and can be coated in a short time. Traditional prime plays a fast …Bare metal must have epoxy primer, self etching primer, or DTM Direct to metal primer. Primer surfacer should not be applied directly to bare metal. In this ...Highlights. Oil-based formula can be cleaned up easily using mineral spirits. Etches and primes in 1 easy step. Dries in as little as 10 minutes. 12 oz. can provides coverage for up to 10 sq. ft. Features an any-angle spray with a comfort tip for a professional appearance. Flat sheen for excellent adhesion of topcoat.Deciding between an epoxy versus urethane primer comes down to various factors, including the coating system itself, substrate conditions, daily traffic, the specific facility, location and environmental factors like heat and humidity. Epoxy Primers. A typical epoxy primer consists of a two-part system that includes a resin and a hardener.It's a mild ospho acid treatment. I've left parts in bare steel inside for months without any surface rust. When you're ready to prime/paint, either scuff it off with scotchbrite or use a primer compatible with ospho acid prep. Many epoxy primers are perfectly fine with properly prepared picklex-20 on the bare steel.Dear Alan, Etch primer is a stand alone pretreatment and must be applied directly to the metal substrate. The phosphoric acid that is added in the form of the "catalyst", partially etches the metal and this is what improves the adhesion of the following primer or top coats. However, you should be made aware that although not banned by the UK H ...Countilaw said: Epoxy is different than 2K. 2K is a polyeurathane. Both are mixed with a catalyst. Some 2K is a polyester. They contain materials like talc and other inert materials that are good for filling sanding scratches. Epoxy will not fill scratches, that is why it's great to use as a sealer. It really seals everything.Hot-Dip Galvanizing vs. Inorganic Zinc-Rich Primers. When applied over carbon steel substrates, the anti-corrosive properties of zinc metal is undeniably one of the most cost-effective solutions for prolonging the service life of steel structures from atmospheric corrosion. Whether the steel is galvanized—typically done through a hot-dip ...RAPTOR Acid Etch Primer Aerosol. Phosphoric acid ester formula promotes paint adhesion to difficult substrates, like galvanized steel and aluminium. Ideal for rub throughs in primer prior to application of colour and new bare metal panels. PRODUCT Details. Etch and prime bare metal in one step. Flat fan high atomization nozzle offers a large ...SEM Products 1 Gallon Green Self Etching Primer - 39691. Part #: 39691 Line: SEM. 1 Year Limited Warranty. Color: Green. Type: Can. Container Size: 1 Gallon. Compare. Representative Image SEM Products 15.5 Ounce Green Spray Primer - 39693. Part #: 39693 Line: SEM. 1 Year Limited Warranty ...Very quick and convenient to turn around a primed part in small batches. Ability to partially prime, or touch-up prime a part. VERY durable finish. Extremely easy to apply. Fast handling time (10 min or so!) Can be sprayed with a 3M respirator safely. Available in cans for brush application.The Transtar 2K Self-Etching Primer is a two part self-etching and passivating primer that retards the corrosion process. The primer and primer activator has an easy 1:1 mix ratio and requires no induction time before its use. This system ensures excellent protection against corrosion to galvanized steel, bare metal, hot rolled steel, fiberglass, fully cured body fillers, aluminum, and ...A. Wash primers are water-thin coatings of phosphoric acid in solutions of vinyl butyral resin, alcohol and other ingredients. They are generally applied to give a dry film thickness of 0.3-0.5 mils (8-13 microns). The purpose of wash primers is to passivate steel and galvanized surfaces before applying a full bodied primer.That being said, I know that ***** epoxy can be applied over etch primer. Be sure to scuff the etch primer well to provide scratches for the epoxy to bond to. The first coat of epoxy should be unreduced and personally I would apply two coats. Let it set for 24 hours and if everything looks locked down you should be good to go.SMR-260G/261 2.1 VOC Epoxy DTM Primer/Sealer Gray This sale is for a gallon of fast dry grey 2.1 lbs/gallon voc epoxy primer (SMR-260G) and a quart can of epoxy catalyst (SMR-261). The SMR-260 is 2.1 lbs/gallon voc and compliant everywhere.The SMR-260 is a fast... $149.00. Add to Cart Compare. Quick view ...It needs an etch on bare metal or a DTM epoxy before urethane if you want it to last. Read the TDS on the primer and see if it's DTM or not. Epoxy then 2K primer is the way. Assuming the metal panel is straight, most epoxy primers allow you to apply color over the epoxy without the need for 2K primer or 2K sealer.Dec 28, 2023. In the world of protective coatings, zinc rich primers have emerged as a cornerstone for ensuring durability and longevity. These primers, enriched with zinc particles, play a ...6. Corroseal Water-Based Rust Converter-best primer for rusted metal. Corroseal is widely regarded as one of the best rust converter and metal primers on the market. Corroseal can be applied by using a roller or paintbrush in one step. A unique feature of this product is that it is water-based.The shooting death of Deah Barakat, his wife, and her sister will be forever etched in the minds of Tar Heels. Death haunts the University of North Carolina community, just like it...Etch 1K Epoxy Primer is characterized by its fast turnaround time, corrosion protection properties, easy application and adhesion to hand cleaned steel. This product is ideal for use as a primer on vehicle chassis, underbody components and equipment exposed to high temperatures. Etch 1K Epoxy Primer offers excellent adhesion to mild steel ...260 posts · Joined 2004. #17 · Apr 2, 2006. I'm in the process of putting the epoxy over my street rod as we speak. I've painted for years, and have always used an etch primer followed by a high build urethane primer. On this car I'm trying something different.04-15-2004 21:09:03. Report to Moderator. Re: Etching primer vs epoxy primer in reply to Tyson, 04-14-2004 20:29:45. Hi Tyson, Some prefer etch and some prefer epoxy. DuPont has historically pushed the etch primer and PPG has historically pushed the epoxy. I much prefer the epoxy for reasons previously posted.2K Epoxy Primer/Sealer. 2K Epoxy Primer/Sealer is a high-quality, two-component, isocyanate-free epoxy primer designed to be used as a corrosion resistant primer with excellent adhesion to metal, fibreglass and aluminum surfaces. 2K Epoxy Primer Sealer improves adhesion of body fillers and resists moisture damage caused by water permeation.The epoxy primer, which also includes etch primer, is the only primer for bare metal that can be left outdoors on a vehicle without fast rusting back below. Zinc phosphate is added to two-component epoxy primers to improve their ability to prevent corrosion. To put it simply, epoxy is the best primer for bare metal, making it suitable for newly ...Option 2: The Professional Painter's "Silent Rule". There's a golden rule in the world of painting: professionals often apply another primer over the etch primer. This serves as a protective barrier between the etch primer and the paint. This unwritten rule eliminates the uncertainty of whether it's safe to paint directly over etch ...At the same time, etch primer contains acid and will lift if applied over several coats of paint or too wet. Epoxy primer is also more durable and resistant to corrosion than etch primer. There are many types of primers for metal surfaces. Epoxy primer is a chemical-resistant coating that improves the adhesion of paints and coatings.