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Epoxy vs urethane primer of Technology
FP410 is a premium two-component primer surfacer designed for high build and excellent filling of repairs. Produce an infallible build or fill imperfections in the course of repair activity with the Finish 1 2K HS Urethane Primer. This primer is a top-quality, two-component coat that is known to provide wonderful adhesion to surfaces and gives them a boost of …Direct to Metal 2K High Build Primer is a two component primer surfacer that can be applied direct to metal surfaces, as well as cleaned, sanded existing finishes. It provides corrosion protection along with excellent fill and build properties. Easy to sand.Eastwood 4:1 Gray Urethane Primer Features: Mixes 4:1 with 50241ZP Activator. Fills well and builds quickly. Dries fast and easy to sand. Apply over epoxy primer, body filler, existing finishes. Approximate Coverage Per Gallon: 140 SQ FT. Maximum operating temperature: 150 Fahrenheit. Made in the USA.Your primer for the debt collections netherworld. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of Use a...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.Epoxy should be used as the base coating (to bond to concrete) and the polyurethane can be used as a topcoat (flexible, scratch resistant, UV stable). If you are questioning what product you think suits your flooring needs please reach out to us and we can help guide you to making the best choice for your floor.Then I will sand the part well with around 400 wet and spray on adhesion promotor and a coat or two of urethane 2k primer. Then sand that with the final grit recommended for the paint you are using, checking over before painting. Urethane primers and clear have some flex, so no need really to use a flexable primer or flex additive in the clear ...While slightly different, epoxy and urethane are also very similar. They both provide protection against stains, wear, and damage from impact such as dropping tools or bikes. The difference however, is that epoxy works better as a floor primer or as resurfacing over concrete. Using epoxy on an old, cracked concrete floor can easily make it look ...Dec 17, 2023 · 2. Flexibility and Movement. Unlike epoxy primer, urethane primer offers a higher degree of flexibility. This flexibility is particularly advantageous for surfaces prone to movement, such as automotive panels. It helps prevent cracking and peeling, contributing to the durability of the overall paint system. 3.Your primer for the debt collections netherworld. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of Use a...Yes, you heard me right. Epoxy resin and acrylic resins have some differences. Acrylic resin, often called polyacrylate, is a type of thermoplastic that is derived from methacrylic acid, acrylic acid, and other similar compounds. They are used to create various objects such as sculptures or jewelry. Epoxy resin is a type of adhesive that can be ...While polyester primers are great for filling, they can be porous. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. Urethane primers are a better surface for …Epoxies are normally used directly on the concrete, with some exceptions, and polyurethane is mostly used as a topcoat for exterior durability. A true epoxy is always a two-part product that is used by mixing a resin and hardener/activator. Epoxies do not "dry" in the same way that paints dry—through simple evaporation of water or oil ...The Basics All paints are made up of three ingredients: binder, pigment, and a carrier agent. Pigment, or tint, is self-explanatory-it's the color you see. Binder is often referred to as resin ...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.Urethane and epoxy are polymers. Both products have big molecules that repeat structure and link. Epoxy resins are epoxide, polyamine, and hardener. Urethane, a carbon-based substance produced from organic linkages, reacts with monomer. Uses; Urethane is majorly the auto body primer. Consistency of urethane makes it easy to sand and fill minor ...Aliphatic polyurethane sealers are non-yellowing. They do not like the alkalinity of concrete. Therefore, an acrylic sealer or epoxy sealer is applied before applying a polyurethane topcoat. Typically they are applied with a 3/8″ nap roller. Polyurethane topcoats are available in water based, solvent based and moisture cured versions.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.Discover the advantages and disadvantages of using epoxy flooring for your home. Make an informed decision with our expert analysis and recommendations. Expert Advice On Improving ...Performance and value from start to finish. The OMNI ® system offers a comprehensive range of refinish products, covering everything from pre-treatments to topcoats.. Providing excellent versatility in addition to performance and value, Omni ® products offer different properties and qualities to meet refinish requirements. Products within the Omni ® line are compatible and can be mixed and ...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 with a 220 pad ...Hi guys, I have a car that is going to have to sit outside for a couple weeks, that has one sand-thru down to MS 15222 high build urethane 2k primer. Is this type of primer waterproof, or will it absorb moisture? I can hit it w/ epoxy tomorrow, but it got rained on tonight. Am I screwed, or can I let it dry off and then spot prime over it w ...Car paint primer acts as a bonding agent to help the paint adhere more strongly to the body of the vehicle. Equally as important, auto paint primer helps prevent rust and moisture damage to your vehicle by adding a couple of extra protective layers. This is generally an automotive primer sealer, like urethane or epoxy-based.Polyurethane coating also offers better chemical and solvent resistance than epoxy ones. So in summary, epoxies are hard and durable and adhere well so therefor are ideal for the primer and base coats of a garage floor, while polyurethanes are excellent for abrasion and chemical resistance and are perfect for use as the top coat of the floor ...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.If you’ve got a concrete floor in need of an overhaul, installing epoxy flooring onto the concrete surface can be an ideal way to give it a new life. The good news is that this coa...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,The urethane primer is what you want to use after your bodywork is done as a filler primer. Epoxy is simply a primer, whereas 2K urethane primers are considered a primer surfacer. You could use only epoxy on everything, but you have to be a very very good body man to be able to get away with that since epoxy primer has little filling capability ...If you’ve got a concrete floor in need of an overhaul, installing epoxy flooring onto the concrete surface can be an ideal way to give it a new life. The good news is that this coa...When it comes to rust prevention, epoxy primer is often considered superior due to its thicker and more durable coating. In terms of adhesion, both primers offer good bonding properties, but etch primer has the advantage of chemically etching the metal surface for better adherence. For corrosion resistance, epoxy primer provides a more robust ...FAQs: Deciding Between Epoxy Primer and Urethane Primer. 1. What is the primary difference between epoxy primer and urethane primer? 2. Which primer is …Earth is an enormous and extremely complex planet. Learn about the inner workings of the planet Earth and find out what forces are constantly at work on Earth. Advertisement As the...Urethane Coatings: The Pros. Abrasion resistant and more color-retentive than epoxy coatings, urethane floor coatings can last longer and look better. This type of flooring is designed to protect against ultra violet light and abrasions. If you have an industrial facility that gets a lot of daily use, this floor coating would be a good choice ...February 13, 2024 by admin. Epoxy primer showcases its strength in versatility, while urethane primer offers simplicity. An epoxy primer is a corrosion fighter, providing good …Urethane Coatings: The Pros. Abrasion resistant and more color-retentive than epoxy coatings, urethane floor coatings can last longer and look better. This type of flooring is designed to protect against ultra violet light and abrasions. If you have an industrial facility that gets a lot of daily use, this floor coating would be a good choice ...A two-component high quality primer surfacer option. The Finish 1™ FP410 2K HS Primer is designed for high build and excellent filling of repairs. It provides excellent adhesion and gloss / color holdout. FP410 sands easily without clogging the sandpaper, while providing excellent resistance to sand scratch swelling.This black epoxy primer has excellent anti-corrosion and adhesion properties. The aerosol spray comes ready to use, all you need to do is shake it beforehand. Pros. It can be used on anodized ...Urethane Coatings: The Pros. Abrasion resistant and more color-retentive than epoxy coatings, urethane floor coatings can last longer and look better. This type of flooring is designed to protect against ultra violet light and abrasions. If you have an industrial facility that gets a lot of daily use, this floor coating would be a good choice ...Eastwood 4:1 Gray Urethane Primer Features: Mixes 4:1 with 50241ZP Activator. Fills well and builds quickly. Dries fast and easy to sand. Apply over epoxy primer, body filler, existing finishes. Approximate Coverage Per Gallon: 140 SQ FT. Maximum operating temperature: 150 Fahrenheit. Made in the USA.For compliance in areas with Low VOC regulations, the VOC limit is 3.5 pounds-per-gallon for basecoats, 2.8 pounds-per-gallon for topcoats (single-stage paint), and 2.1 pounds-per-gallon for primers and clears. The charts below provide a good rundown and comparison between Low VOC paints (top) and National Rule (bottom).1. Versatile Adhesion. 2. Flexibility and Movement. 3. UV Resistance for Lasting Color. 4. User-Friendly Application. 5. Ideal Applications for Urethane Primer. Comparing Key Characteristics: A Detailed Analysis. 1. Adhesion Strength. 2. Corrosion Resistance. 3. Flexibility.2k is slang term for a catalyzed product. 2 components = 2k. Generally speaking however, 2k is most often used to refer to Urethane based primer. Urethane has been seen to be better and have less shrinkage than solvent based primers like laquer. Epoxy primer is indeed epoxy based primer.United States. DP20 is a two part urethane primer-surfacer. DP20 is the undercoat recommended under UNO HD Color, ONYX HD or Diamont Basecoat Color. DP20 can be applied over cured, cleaned and sanded OEM finishes, cured air dried finishes, treated bare metals, body filler and fiberglass. The primer dries in 90 minutes and sands very easily.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 ...Aug 10, 2009 · Really depends what brand you are using. Sikkens Epoxy can be used as epoxy or sealer with 1 coat. It can also be used as a medium build primer with 2-3 coats. All 3 uses use the same mixing ratio. I always wait about 15-20 minutes after epoxy and apply 2k primer or polyester. The main deck is protected with a high-gradeTip size. Even an LVLP gun with 1.8mm (or bigger) shoBest-in-class primers. We have primers for any
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Versatile Coating Solutions for the Light Industrial Sector. PPG VERSOLON ™ solutions bring you a complete universe of capabilities in one place, backed by a global leader in coatings innovation. Whether you're a custom coater or agricultural and construction equipment manufacturer – trust in PPG products and services to fill all of your needs.If you’re new to the world of accounting and bookkeeping, it’s likely that you’ve heard of Tally. Tally is one of the most popular accounting software packages available today. To ...Save the DTM urethane primers for insurance work where the facts show as of last year if you wreck your car 97.7% of the people will not own that car in 3 years. ... 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.The #1 site on the Internet to discuss and learn about autobody and paint. If you want to learn how to paint your own car, this is the place!Polyurethane is more durable, longer lasting, and more versatile than epoxy, but epoxy dries and cures faster, isn't as toxic, and is easier to apply. Often, these finishes are used together to achieve maximum durability and superior appearance. In many cases an epoxy primer is used before an epoxy base coat, and then a topcoat of ...May 8, 2023 · Overall, epoxy primer is a great choice for those who want to ensure maximum corrosion resistance and durability on their car’s surface. #3 Urethane primer. Urethane primer is a high-build primer that’s great for filling in small imperfections and achieving a smooth surface for painting. Benefits:Nason® SelectPrime™ 421-17™ 2K Urethane Primer. Buff in color Maximizes DOI High build. Nason® SelectSeal™ 422-50™ 2K Urethane Sealer. Grey in color Good application properties Fast nib sanding. Nason® 491-55™ Etch Primer. Chrome free Exceptional adhesion Exceptional corrosion resistance.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 ...Of the different formulations available, aliphatic polyurethane is the desired choice for garage floors. Though they are approximately 60% to 70% solids depending on the manufacturer, a polyurethane coating is only about 2 to 3 mils in thickness. It can’t be applied any thicker in one application as some epoxy coatings can.Epoxy Primers. Think of epoxy primer as the foundation for your paint. These primers create a harder, more chemically resistant coating. ... Urethane primers are a better surface for basecoats. The urethane primer is much denser and seals the polyester surface. Always check the product sheet to know what works best for the poly primer you're ...As a general rule of thumb, epoxy works best indoors, so this chemical-resistant and slip-free surface is perfect for the garage environment, where spills and puddles can create a challenge. Typical garage floor epoxy application consists of a primer, a color base coat, and two surface coatings of polyurethane. The style is highly customizable ...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.The main deck is protected with a high-grade, combined composite coating system that starts with a zinc primer, followed by an epoxy coating with aluminum pigment as the second coat, and then a topcoat of polyurethane (PUR) coating. Zinc primer is used for adhesion purposes, enabling the coating system to adhere to the metal surface.Jul 6, 2012 · 2.1 VOC Multi-Purpose Primer ( JP355 ) JP355 is a fast-drying, two-component gray multi-purpose 2.1 VOC primer which may be used as a primer surfacer or as a wet-on-wet sealer when integrated with clearcoat. Now after blocking for the first time, Im left with spots of polyester glazing putty, OG paint, PPG primer and various spots of bare metal ...An epoxy primer showcases its strength in versatility whereas a urethane primer offers simplicity. A urethane primer is made from compatible chemistry to urethane systems and is typically a single component that …The difference between shellac and polyurethane is that Shellac is a quick-drying natural resin secreted by the female lac bug and adds a warm tone to wood. Polyurethane wood finish is an artificial resin available in both oil and water-based forms. Shellac dries in 30 minutes while polyurethane takes 2-6 hours to dry.Epoxy/polyurethane floor coatings achieve similar appearance as polyaspartic floors and have proven successful over many years. GarageFloorCoatings.com. "We use polyaspartics, too," said Hanson. "But you can't have one product for every application and every condition of concrete. We go out first and measure the moisture vapor emission rate.FP410 is a premium two-component primer surfacer designed for high build and excellent filling of repairs.Produce an infallible build or fill imperfections in the course of repair activity with the Finish 1 2K HS Urethane Primer. This primer is a top-quality, two-component coat that is known to provide wonderful adhesion to surfaces and gives them a boost of shine.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?Advantages of epoxy/urethane coatings. Seals the surface pores of the concrete to make it impervious to liquid. Protects from damage from water and oil stains. Can prevent corrosion due to industrial chemicals. Protects surface from abrasions and impact damage. Comes in a variety of colors and patterns that can be customized.Jan 21, 2022 · There is no best between epoxy resin vs polyurethane. The type of appearance, curing time, durability, and water resistance are all factors to be considered when choosing between polyurethane vs Epoxy. What Is Urethane vs Epoxy Primer? Epoxy primer is a two-part primer that is mixed together and typically used as a base coat for automotive ...Eastwood 4:1 Gray Urethane Primer Features: Mixes 4:1 with 50241ZP Activator. Fills well and builds quickly. Dries fast and easy to sand. Apply over epoxy primer, body filler, existing finishes. Approximate Coverage Per Gallon: 140 SQ FT. Maximum operating temperature: 150 Fahrenheit. Made in the USA.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.Epoxy vs Polyurethane Coating System 1. Cost-Effectiveness. Generally, epoxy coatings are slightly cheaper than polyurethane coatings. Although, prices may differ depending on the brand. But when we talk about cost-effectiveness, a polyurethane floor typically lasts twice as long as an epoxy floor. This makes polyurethanes more cost-effective ...This will not happen to urethane primers. Urethane and Epoxy primers are activated and go through a thermosetting stage. Again, to simplify the answer, Thermosetting in this circumstance is an activated resin that is used in urethane primer becomes a plastic type finish. The new coating structure cannot go back to it's original state.Paint for Rust-Prone Exterior Metal Railings (Oil-Based Metal vs Epoxy vs Urethane) ... acting as a primer. The manufacturer of Qurox recommends scraping/grinding loose ruse off, then applying 3 thin coats of Qurox, with an hour to dry between each coat. Although they are not in the paint business, he recommended that we complete the job with 1 ...Then I will sand the part well with around 400 wet and spray on adhesion promotor and a coat or two of urethane 2k primer. Then sand that with the final grit recommended for the paint you are using, checking over before painting. Urethane primers and clear have some flex, so no need really to use a flexable primer or flex additive in the clear ...Commercial and industrial epoxy and urethane floor prIn this video, TV Host and Painting Pro K
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Paint/Body - Epoxy primer vs Polyester Primer - Guys - I get a lot of people that ask me about primers I added this below with some edits Epoxy primer (2K) Epoxy is a good corrosion fighter. ... - Good chip resistance (it isn't as hard as a urethane - or as flexible as a 2k urethane - Perfect for a "primer/sealer" over bare metal. - Etch ...As mentioned you can apply filler within the 7 days without sanding epoxy but if you’re doing the body work over time you can follow their directions (SPI epoxy). “You have 7 days to apply 2k Primer or body filler over epoxy without sanding first. Between 7 and 30 days it must be sanded with 180 grit first.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 ...Nov 2, 2023 · The main difference between epoxy and urethane is that epoxy resins are thermosetting polymers that consist of epoxide functional groups, whereas urethane is a thermoplastic or thermosetting polymer composed of urethane links (carbamate groups). Epoxy and urethane are two versatile polymers. They serve as critical building blocks for a wide ...Mar 22, 2013 · Of the different formulations available, aliphatic polyurethane is the desired choice for garage floors. Though they are approximately 60% to 70% solids depending on the manufacturer, a polyurethane coating is only about 2 to 3 mils in thickness. It can’t be applied any thicker in one application as some epoxy coatings can.Epoxy vs Polyurethane Coating System 1. Cost-Effectiveness. Generally, epoxy coatings are slightly cheaper than polyurethane coatings. Although, prices may differ depending on the brand. But when we talk about cost-effectiveness, a polyurethane floor typically lasts twice as long as an epoxy floor. This makes polyurethanes more cost-effective ...Paint for Rust-Prone Exterior Metal Railings (Oil-Based Metal vs Epoxy vs Urethane) ... acting as a primer. The manufacturer of Qurox recommends scraping/grinding loose ruse off, then applying 3 thin coats of Qurox, with an hour to dry between each coat. Although they are not in the paint business, he recommended that …Organic zinc primers are substantially less porous, since the binder (epoxy, urethane, etc.) fills the pores created by the zinc loading. Inorganic zinc-rich primers are typically repaired using organic zinc-rich primers, since the inorganic versions do not have strong adhesive binders and typically do not adhere well to one another once cured.Polyester powder coating is the most common of the powder coatings—and for good reason. It provides excellent impact resistance and flexibility; good mechanical resistance; and good chemical resistance. It also has a low curing temperature, and is therefore suitable for sensitive components. You can expect between 1 and 3 years of solid UV ...1. Durability and Strength: One of the benefits of sealed concrete is that it is more durable and stronger than unsealed concrete. The sealer helps to protect the surface from weathering, staining, and wear. This can prolong the life of your concrete surfaces and help them to look new for longer. 2.Primers Explained: 2k Urethane Primer, Epoxy Primer and Polyester Filler Primer Uses ☑️. Learn about automotive primers and best uses. Get a FREE Auto …O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. Shop O'Reilly Auto Parts online.I have a 2k primer filler/ sealer its a 3 part. You can mix it 1 of 3 ways. 4:1 with activator, 4:1:1 as a regular build primer, 4:1:2 as a sealer. My question is what is the difference in regular reducer and urethane reducer? Is urethane stronger reducer? I think if i use a urethane reducer that might eat my epoxy primer??Polyurethane is easier to apply than wood varnish. You can easily apply water-based or oil-based polyurethane using a fine-bristled brush, foam roller, or rag. Alternatively, you can use polyurethane spray. You only need 2-3 coats. However, always use a respirator when applying oil-based polyurethane indoors.In the battle of epoxy vs urethane primer, both dry very hard and propose a maximum degree of water, abrasion, chemical, and impact resistance. Urethane paints perform more resistant than epoxy paints to chemicals. However, it is thinner than an epoxy primer. Epoxy has some boundaries also.7. Apply Paint Color Or Topcoat. It's time to paint. Apply the first coat of paint above the dried lacquer primer coat. you'll notice that paint doesn't absorb into the wood. it just sits on a lacquer primer coat and colors the wood. Lacquer primer ensures better adhesion of the paint to the surface.In this video, TV Host and Painting Pro Kevin Tetz shows you the uses for each type of primer, including Epoxy Primer, Self Etching Primer, 2K Urethane Prim...by Hasini A. 6 min read. The main difference between epoxy and urethane is that epoxy resins are thermosetting polymers that consist of epoxide functional groups, whereas urethane is a thermoplastic or thermosetting polymer composed of urethane links (carbamate groups). Epoxy and urethane are two versatile polymers.Urethane primers (commonly called "2K" but ANYTHING with a catalyst IS a "2K" so I like to call it by it's proper name URETHANE) can be applied over bare metal or use an etch primer first. These are all CHOICES not right and wrongs. Don't get me wrong, there are clear better times to use Epoxy or Urethane, but over bare metal, it's a CHOICE.Advantages of epoxy/urethane coatings. Seals the surface pores of the concrete to make it impervious to liquid. Protects from damage from water and oil stains. Can prevent corrosion due to industrial chemicals. Protects surface from abrasions and impact damage. Comes in a variety of colors and patterns that can be customized.Polyurethane is easier to apply than wood varnish. You can easily apply water-based or oil-based polyurethane using a fine-bristled brush, foam roller, or rag. Alternatively, you can use polyurethane spray. You only need 2-3 coats. However, always use a respirator when applying oil-based polyurethane indoors.2K PRIMERS: Our 2K Primers have exceptional filling properties, sand in 45-60 minutes and don't require the use of a paint sealer. URETHANE REDUCERS: Our premium urethane reducers are blended with top-tier solvents that can compete with any other brand of reducers regardless of price. Available in both national rule and Low VOC.As mentioned you can apply filler within the 7 days without sanding epoxy but if you’re doing the body work over time you can follow their directions (SPI epoxy). “You have 7 days to apply 2k Primer or body filler over epoxy without sanding first. Between 7 and 30 days it must be sanded with 180 grit first.However, etch primer is faster than epoxy so it is frequently used in collision repair to improve through put. Epoxy primer is used more often on bare metals than etch primer in restoration work. Lacquer Primer. Lacquer Primer is great for speed and sanding but not so good for long term durability. Shrinkage, cracking, and bubbling are common ... Some projects get 4 coats over 2 coats of epoxy and the blo