If we have done PU flooring, do we need to add 1 few layers of PU coating on top of the PU flooring? (PC-517, PC-555, PC-590, PC-1500, PC-1875), – Water Based Epoxies: Water Based Epoxies are great choices in less demanding areas. These epoxies are designed by having the curing agent with a small amount of epoxy resin. This is where Polyurethanes comes in to play, which we will discuss later. They generally have very good chemical resistance which allows the higher performing epoxies to be used for tank linings, containment areas, and for general protection against chemicals. They have a short pot life – generally 20-40 minutes and they usually can’t be recoated until 6+ hours. Paint April 17, 2018. ... Polyurethane Paint Coatings. Most MCU’s are aromatic, which basically means they can change color over a period of time. Epoxy v. Polyurethane: Which Coating is better? One of the most popular high solids epoxies is Amine Adduct Epoxies. Unfortunately, it is this same impressive durability that makes it difficult to paint over epoxy … Two part epoxy paint is going to be far superior in durability to 1 part paint. Powder Coating vs. You can request the low VOC formulations in most epoxies. One of the benefits to epoxies are they are made with different amounts of VOC levels (volatile organic compounds)...this is the really smelly odor that the paint gives off. Quick drying and easy to apply: Polyurethane paint is fast curing, meaning less downtime and associated losses.Like an epoxy it is easy to apply, but polyurethane has faster return-to-service times than epoxy. Most H.S. If an uncured PU floor is attacked by water or condensation you may get this catastrophic results (like in the picture below). All rights reserved Paint using urethane will remain the same color for a much longer time than that which uses epoxy. You want a floor that is strong, like your business, and worry-free. Five Key Parts of Our Superior Epoxy Kits, The Most Common Misconceptions About Epoxy Coatings, 5 Reasons Why You Should Epoxy Your Basement Floor. Owners at Industrial Facilities often come to us wondering what type of coating system (epoxy vs polyurethante) is needed to protect their assets. I thought Epoxy paint was totaly different. Here’s some of the different types of Epoxy Coatings: 100% Solids Epoxy: These epoxies generally have very little or no Volatile Organic Compounds (VOCs) and little to no odor. As paint. These finish systems are used in extreme outdoor exposure conditions. This will be especially true if applying in hot, dry or windy conditions. Contact us today at info@gulfcoastpaint.com or 251-964-7911 for assistance on your upcoming coating project. Polyurethanes do not bond well to concrete and do not exemplify the self leveling properties that epoxies do when applied to on these surfaces. Getting a New Concrete Floor Coating? The strongest and least odor producing epoxies are 100% solids. It protects the paint from peeling and is easy to clean. Though they exhibit much thinner cured-film thickness, polyurethanes offer a number of unique advantages over epoxies. Here’s some of the different types of Polyurethane Coatings: – Moisture Cured Urethanes: Moisture Cured Urethanes are one component urethanes that cure off of moisture and humidity. Epoxy creates a hard protective coating that bonds to concrete or steel. Owners at Industrial Facilities often come to us wondering what type of coating system (epoxy vs polyurethante) is needed to protect their assets. Most MCU’s are aromatic, which basically means they can change color over a period of time. At its core epoxy is, "a class of reactive prepolymers and polymers which contain epoxide groups. One great benefit is that these epoxies are usually low VOC and have little to no odor. When used as a topcoat over epoxy, they protect the underlying epoxy from yellowing over time. Indeed, cost is always an important consideration when choosing finishing systems for products. Polyurethane Coatings. These epoxies can generally be used on steel, concrete, and galvanized steel. A polymer is a macromolecule that contains a large number of small repeating units . These coatings are fast setting, and can be recoated the same day which is beneficial for owners and contractors. When applying you will typically mix one part A and one part B together (mix ratios will differ from product to product) to tart the the hardening process. Operational Differences Elastic polyurethane floor paint for a car park 11. Here’s some of the different types of Epoxy Coatings: These epoxies generally have very little or no. There is some downside to 100% Solids Epoxies. We will take a look at some of the differentiating factors between the two so you can decide what product suits your floor best. (PC-240), – Phenalkamines: Phenalkamine cured epoxies are excellent for low temperature / cold weather applications. One great benefit is that these epoxies are usually low VOC and have little to no odor. Polyurethane’s surface may not be as hard or thick as epoxy. EPOXY RESIN - LPU - MCU - POLYURETHANE . It is oil soluble to turpentine or mineral spirits are needed for cleanup. :  Epoxies have excellent adhesion to many substrates. (, Both of these epoxies are very high performing epoxies that are ideal for harsh chemicals. They generally have very good chemical resistance which allows the higher performing epoxies to be used for tank linings, containment areas, and for general protection against chemicals. Minimum Order Quantity: 100 Kilogram. Epoxy and Polyurethane coatings exemplify superior long term qualities such as chemical and acid resistance, ease of maintenance, and aesthetic appeal. Sign up to get the latest on sales, new releases and more …, © 2021 Epoxy Central. Polyester epoxies are a very unique, two component non-yellowing epoxy coating. Water and chemical resistance: Resistance to water, steam, moisture, and most chemicals means that PU coating is a waterproof barrier, preventing corrosion of the substrate. A. ABSOLUTE BEST SOURCE for epoxy information, options, USA made products, 24/7/365 help, and support (EMAIL 603 435 7199)There is a lot of confusion when it comes to understanding the different paints and coating. To be fair, even industry experts will toss around the word paint to describe the coating material they are applying on a particular job. The most expensive stuff I … CONCLUSION: Selecting epoxies and polyurethanes require careful selection. This includes resistance to petroleum products and solvents, such as methylene chloride, which is the primary ingredient in paint stripper. (, Phenalkamine cured epoxies are excellent for low temperature / cold weather applications. Whilst a polyurethane system will initially cost more compared to an epoxy, it is far more cost effective in the long term. @siwarak If you are referring to Polyurethane as “PU” these layers can be built on top of one another. These coatings are usually sold as finish and are usually applied at 2-3 mils DFT. What are the Best Industrial Coatings for Structural Steel? Usually these epoxies are economical and are used a primer and finish coat. Depending on the product, polyurethanes can have better chemical resistance and provide better abrasion and impact resistance than the epoxies. The benefit to using polyurethanes is that they bond well to one another. It can be overwhelming at first. (, Based Epoxies are great choices in less demanding areas. Some common applications for include control rooms, locker rooms, break rooms and concrete flooring for light traffic. One concern with polyurethanes is their sensitivity to humidity and moisture. 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. These coatings can normally handle higher dry service temperatures than epoxies and two component urethanes. Q. Polyurethanes are also thermosetting polymers that are usually used as topcoating products on floors. Floor Coating Sealers: How to know the difference between them all. These epoxies are designed by having the curing agent with a small amount of epoxy resin. 2. Polyurethane Coatings: Polyurethanes are known for their outstanding UV resistance, gloss retention and color stability. They provide a hard finish that is very durable. They can also be used as an intermediate coat and top coat due to their durability and impact resistance. If you want to upgrade your garage floor, or some other concrete surface using epoxy, it is important to understand what differentiates the two.This allows you to make the right decision for your desired aesthetic. As a coating or sealant. Reaction of polyepoxides with themselves or with polyfunctional hardeners forms a thermosetting polymer, often with favorable mechanical properties and high thermal and chemical resistance. They have a long pot life, great adhesion, and good chemical resistance. Polyurethane floors are therefore preferred • In spaces with foot traffic • In multideck car-parks since the elastic layer can act as a waterproofing layer • In freezing chambers where temperatures can reach -30oC 2. Depending on the product, polyurethanes can have better chemical resistance and provide better abrasion and impact resistance than the epoxies. 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