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With Eastwood’s Single-Stage Urethane system, apply Eastwood Epoxy Primer over bare metal. This primer offers excellent adhesion to bare metal and provides a proper foundation for your paint job. The 1:1 mix ratio makes it easy to mix (one part primer to one part catalyst). Unlike other epoxy primers on the market, Eastwood’s Epoxy Primer ...Some primers are DTM "direct to metal" and some are not. This goes for epoxy, urethane, and etch. Just make sure your PPG epoxy says DTM on the can. Also a big mistake on DTM primers is people dont sand the new patch panels before the primer, they think only the painted areas need sanded. Run your DA sander over every surface …Most water-based versions of KILZ-brand primers may be thinned by adding a small amount of water, including KILZ Latex Primer, KILZ Premium Primer and KILZ Max Primer. However, KIL...Then I follow it up with epoxy or urethane primer and then the color coats. Automotive paint systems are much different, you're not going to put a 20-year paint job on a 2013 Honda with a dented fender. Decades ago I would tell customers to use this primer all the areas at this car had rusted previously like bottoms of the doors, trim clips etc ...Oct 31, 2018. #1. A few weeks ago i sprayed spi epoxy over bare metal and went outside the 7 day window. I had some body filler work to do, so I spot sanded just areas that needed body filler with 180 grit and I sanded thru to bare metal in several spots while blocking these areas. After this, I reapplied a coat or two of epoxy to cover bare ...Epoxy Primer Vs. Urethane Primer. General Discussion. Make yourself at home...read, ask and answer! 12 posts • Page 1 of 2 • 1, 2. dropdtop. dropdtop's Profile; E-mail dropdtop; Fully Engaged. Posts: 109 Joined: Fri Aug 12, 2005 7:39 pmUrethane coatings are abrasion-resistant and more color-retentive than epoxy coating. Urethane floor coatings can last longer and look better than epoxy. This flooring type is designed to protect it from UV-rays, light and abrasions. If you have an industrial space, a lot of heavy activities will be supported by this floor type.Who can't use an extra $100 a day? Here's a definitive primer on how you can get started towards earning these dividends for yourself. Note: The following is a guest article from o...primer. That bond is stronger than the bond of traditional three-coat systems, which have a urethane top coat over the primer layer, as illus-trated below: Lower Labor and Installation Costs PSX 700 and PSX 700SG coatings are less expen-sive to apply than traditional epoxy/urethane and epoxy/silicone-alkyd systems. Because of theirMay 3, 2024. #2. Urethane 2k is intended for final filling of 180 grit scratches imo. Building with 2k urethane is a mistake imo because it shrinks. Polyester does not shrink like urethane high build. Some guys say polyester chips but I've not seen that when applied correctly.Epoxy paint is more heavy duty compared to Alkyd based Enamel. Epoxy based coatings will give hard & abrasion resistant film with higher chemical resistance. Epoxy Paint is suited for application where higher corrosion resistance, wear & tear resistance is desired.Tip size. Even an LVLP gun with 1.8mm (or bigger) should lay down high build primer well enough. With a high pressure or RP gun it's common to reduce pressure when spraying primer - if only to reduce overspray when it's often done out in the shop, rather than in the booth.I have noticed that 2K primer, poly primer and clear shrink the most. It seems that the epoxy primer and base coat shrinks the least. Although an epoxy hockey puck does have some shrinkage, it is mostly rubbery and maintains its integrity over time. It doesn't turn brittle like some materials do (clear, 2K, BC). Unfettered,Polyurethane vs Epoxy: Uncovering the Right Product for Flooring Application When deciding between polyurethane and epoxy for your coating needs, the right choice hinges on specific project requirements. ... Areas prone to moisture should undergo moisture testing and, if necessary, a moisture vapor barrier primer should be …Primers Explained: 2k Urethane Primer, Epoxy Primer and Polyester Filler Primer Uses ☑️. Learn about automotive primers and best uses. Get a FREE Auto Body Guide …Epoxy Primer Vs. Urethane Primer. General Discussion. Make yourself at home...read, ask and answer! 12 posts • Page 1 of 2 • 1, 2. dropdtop. dropdtop's Profile; E-mail dropdtop; Fully Engaged. Posts: 109 Joined: Fri Aug 12, 2005 7:39 pmPolyester Primer vs. Epoxy Primer. Thread starter enkeivette; Start date Jul 17, 2008; Jul 17, 2008 #1 enkeivette Well-known member. Joined Mar 30, 2008 ... I used a PPG (shopline) urethane primer on my SMC body, I sprayed the primer on SMC that was sanded 80 grit for mechanical "grip" ...What's the right automotive primer when painting your car? EPOXY OR URETHANE. Garage Noise. 59.7K subscribers. Subscribed. 548. 60K views 7 months …Urethane will build nicely. Poly will build even more than Urethane, but lots of people abuse it because it builds so well. Get your work as close as you can in metal,/filler and don't abuse either one and they will last a log time, especially if you used epoxy as your base.Oct 7, 2003 · Epoxy primer is used on bare metal (it is like an etching primer). It is a 2 part paint, meaning it has a catylist. It does not sand well, so it is merely a place to start for bare metal. Urethane primer is a sandable primer. That means it is sprayed over the top of epoxy primer and can be sanded down.Related read: Semi-gloss polyurethane vs satin. 2. Water-based polyurethane. Water-based polyurethane is a type of polyurethane paint that uses water as the main carrier. In addition to promoting a safe environment for painters, it also has many benefits in reducing waste and producing high-quality results on surfaces such as wood, metal or ...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. If the primer doesn’t say DTM it will not adhere at all, don’t make that mistake. Bare metal should ALWAYS be epoxy primed or sealed, or primed with a DTM primer.From start to finish: bare metal car. First either epoxy or etching primer, then polyester primer (blocked) then, 2K urethane primer (blocked) then, 1K sealer or a base coat for coverage (mainly white, grey, red, black, etc depending on the color you are shooting.Urethane dries and cures faster than epoxy, but installation will take at least two days in either case. However, epoxy can sometimes require three days to dry before it can be usable. In addition, epoxy is more sensitive to humidity and moisture. Even small amounts of moisture can slow down the drying process.A high quality urethane primer for fast filling and excellent gloss holdout. The Dimension® DP840 2K Urethane Primer is a high quality acrylic urethane primer surfacer offering high build for fast filling. Expect excellent gloss holdout, resistance to sand scratch swelling and sandability. Interested in learning more or purchasing this product?The primers include DTM primer , Urethane primer surfacer , high bu... in this video I explain the different purposes for most primers out there in the market. The primers include DTM primer ...SEM makes a spray can guide coat that goes on like dusty black. It's mostly just carbon dust with not much binder so it won't gum up the sandpaper. You don't need much at all, just enough to sort of darken the surface of it so that it's obvious where you missed with the sandpaper. You don't need to make it solid black.For decades, traditional aliphatic acrylic polyurethane topcoats were the mainstay as finish coats for exterior environments where resistance to solar radiation (sunlight) was desired to preserve color and gloss and provide corrosion and chemical resistance. However, ultraviolet light degradation of the urethane resin would cause a color shift ...Summit Racing™ 2K high-build primer is a 2-component urethane primer surfacer designed for overall repair and refinishing work. It features excellent fill and fast-building qualities. Summit Racing™ 2K urethane primer is super-easy to sand (wet or dry) and cures quickly with no waxy skin to break through, while providing excellent topcoat ...A primer surfacer is a urethane 2k primer that is available in high build, regular build and turbo from SPI. I typically use the Turbo, but have used the regular build as well. A 2k product simply means that it contains two parts, hence the name 2k. A 2k product requires an activator/hardener to crosslink/chemically cure the product.Rapid System Primer. U-POL is a World leader in automotive refinishing products specializing in fillers, coatings, aerosols, adhesives and paint related products.- Omni MX241 Gray Polyester Primer/Filler (2K) - PPG Kondar Acrylic Primer Surfacer for final prime - PPG DDL Arcylic Lacquer (about 2 coats) If I need to take it back to bare metal, I will probably just go with lacquer. If I can somehow minimize the prep for a urethane BC CC, then I will go that route. Thanks for the feedback.Epoxy typically costs approximately $3 to $6 per square foot, while polyurethane is around $5 to $7 per square foot. This means you will pay more for polyurethane than epoxy. However, polyurethane can be more cost-effective than epoxy. Your commercial epoxy floor coating will typically need replacing every 1.5 years.4. Use it For a Final Sealer - A cool trick we've been doing for the past few years is using our epoxy primer as a final sealer before our base coat. Simply reduce it 50 percent and lay a coat or two down to seal up all of your work and have a nice surface to lay your base coat over top of. The primer has excellent adhesion to most topcoats ...An abbreviation of Methyl Methacrylate, MMA flooring is something of a "Best of Both Worlds" solution, with an increased price tag to boot. With the tough chemical resistance of epoxy, alongside the physical capabilities of urethane, MMA can be used in almost any application. On top of this, the cure time for MMA resin is by far the fastest ...Epoxy vs. Polyurethane. Versatility and Function. Epoxy and polyurethane are two types of resins that are often used in various applications. Epoxy is renowned for its versatility and ability to bond with different surfaces, making it ideal for industrial applications, such as creating strong adhesives and coatings. It is also commonly used in ...Apr 30, 2019 · Sealers help the paint to stick, and can reduce the chance of having the topcoat paint run. Sealer fills those light sand scratches and can diminish very slight imperfections. The sealer also helps to “seal” the surface. The edges of the layers that were sanded-through tend to heal under a coat of sealer.Aug 21, 2018 · Epoxy works quite well, major downside is dry times and lack of high film build per coat. With today's technology, can a new product be developed that has all the benefits of epoxy, but dries fast and builds well. It seems epoxy and urethane have been around for quite sometime.Epoxy primer is used on bare metal (it is like an etching primer). It is a 2 part paint, meaning it has a catylist. It does not sand well, so it is merely a place to start for bare metal. Urethane primer is a sandable primer. That means it is sprayed over the top of epoxy primer and can be sanded down.If you've heard all about 4K video but you aren't sure what it is and whether or not it matters to you, this two-minute video primer from the folks at Mashable will get you up to s...Dupli-Color How To: Primers. Need to retouch, restore, or refinish your ride? Dupli-Color® has you covered from the start with a range of primers to fit any project. Mark will be showcasing when and where to use each of our different Dupli-Color® Primers in two projects.4.1 Advantages of Polyurethane Coatings. Flexibility: Polyurethane coatings are more flexible than epoxy coatings, allowing them to better accommodate the natural movement and expansion of the concrete substrate. UV Resistance: These coatings are resistant to UV light, which means they won't yellow or degrade when exposed to sunlight.Automotive refinish epoxy is hardly "old school". Poly and wash primer have been around much longer. Around 1990 is when epoxy started to become mainstream. BenKlesc said: They sell polyester primers with zinc chromate in them, that have to be applied to bare metal. They etch into the metal to seal out moisture.SEM makes a spray can guide coat that goes on like dusty black. It's mostly just carbon dust with not much binder so it won't gum up the sandpaper. You don't need much at all, just enough to sort of darken the surface of it so that it's obvious where you missed with the sandpaper. You don't need to make it solid black.Mar 22, 2022 · The manufacturer determines the precise limit. Urethane primers cure more quickly than epoxy primers and have a lower application temperature minimum. Another difference is that urethane primers have a much thinner consistency than epoxy primers. This means urethane primer will be easier to apply to the substrate than thicker epoxy primers.Mix 4:1 for a primer filler, 4:1:1 for a primer surfacer or 4:1:2 for a primer sealer. Use for spot repair and large panels. Excellent build and surface leveling properties. Easy to sand wet or dry. Can be applied direct to metal, over most plastics and over unsanded E-coat, aluminum* and galvanized*. Tintable with up to 10% with urethane ...Epoxy Primer vs Urethane Primer: Which One You Should Choose? 1. Epoxy Primer. An epoxy primer is a sealer that provides a non-porous finish when applied. It is the first coat that is applied on the surface of the metal followed by paint and topcoat. Epoxy coats can be used on wide variety of surfaces ranging from fiberglass, plastic, etc.May 7, 2019 · Epoxy will overheat and become ROCK SOLID in the can. It will be a useless $500 doorstop. Epoxy MUST be mixed and promptly dumped onto the floor in ribbons. You will then have 15-40 minutes (or less) to work with it. It will vary considerably based on temperature and other factors. Thickness . 100% solids epoxy systems are thicker. Then our DIY ...Eastwood Urethane primer is a two-component surfacer designed for overall jobs. It fills well, sands easily and provides excellent color holdout for all top coats. Mixes 4:1 with 50241 ZP catalyst. May be applied over Eastwood Epoxy primers, old paint, body filler & even bare metal. Ideal for block sanding in 3-4 hrs after application.All Answers (1) Alkyds. Alkyds are widely used of the synthetic resins used on a variety of steel surfaces where extra barrier protection was deemed necessary. Alkyds are essentially modified ...Series Epoxy Primer Chemical Pretreatment Metallic Substrate Composite Substrate. PPG Aerospace, PRC-DeSoto Coatings 5 ABP 4-1123 UK 1, 15 ABP 4-2124 UK 10 ... CA 7045 3:1 Low VOC BS2X33B Interior urethane primer for Airbus and British Aerospace. MSRR 9064 UK 1, 2, 15 PAI 3751-21-2 USA 14 PAI 3782 USA 10 PWA 568 USA 14 PWA 569 USA 14It is important to consider the intended use of the coating when deciding which type to use. 9. Water Resistance. Epoxy coatings are more water-resistant than polyurethane coatings. This makes them a better choice for applications that will have exposure to moisture or water, such as bathrooms or kitchens.I have a few scratches that are starting to rust on the roof. I am planning do just spot repairs. Not really concerned about looks. I need to decide what primer to use after I remove the rust. Ideally I would use epoxy primer, but I cant get small quantities locally. How much of a compromise rust prevention wise, would a 2K urethane be compared to epoxy?As a rule of thumb, it is best to apply these coatings between 10 AM - 4 PM, which is when the humidity is generally at its lowest point of the day. Depending on the product, polyurethanes can have better chemical resistance and provide better abrasion and impact resistance than the epoxies.The manufacturer determines the precise limit. Urethane primers cure more quickly than epoxy primers and have a lower application temperature minimum. Another difference is that urethane primers have a much thinner consistency than epoxy primers. This means urethane primer will be easier to apply to the substrate than thicker epoxy primers.Paint/Body - Urethane or epoxy primer? - I just started stripping my '69, but I haven't painted a car since 1985 so I know nothing about the paint systems being used today. I will be needing the primer soon and noticed that there is a urethane primer and an epoxy. Is one better than the other or doesn't it make much...Primers can be used as an intermediate adhesion layer that better binds the paint and polyurethane. Multiple coats make it look nicer and protect the surface better than just one. ... Polyurethane coating and epoxy coating are two popular types of protective coatings. They are unrelated thermosetting polymers with many parallel uses.DTM 2K is like Jim was explaining. Its an epoxy/urethane hybrid primer stuffed with talc to make it thicker and easier to sand. The talc can absorb moisture. When you sand the skin off the top of the primer and expose the talc layers, you're technically opening up the primer to moisture/weather.Paint/Body - Epoxy vs Urethane vs Polyester primer for C3 - I've talked to 3 different paint supply shops - all sell Dupont and got 3 different responses as to what primer to use on my bare fiberglass C3. One suggested epoxy (which this forum seems to support most) but another said that will cause problems later as......

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Zinc-Rich Primer vs. Conventional Primers. Q. We have been asked to refurbish some trailers, baggage carts, and other miscellaneou...

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