Epoxy resins may be reacted (cross-linked) either with themselves through catalytic homopolymerisation, or with a wide range of co-reactants including polyfunctional amines, acids (and acid anhydrides), phenols, alcohols and thiols. UV Stability: Polyurethanes exhibit excellent UV-resistance. Here are some different types of epoxies and urethanes that can be used in your facility: Epoxy Coatings: Epoxies have excellent adhesion to many substrates. They offer chemical resistance and waterproofing. From an applicators point of view polyurethane floor resins are extremely sensitive to the presence of humidity. They can also be used as an intermediate coat and top coat due to their durability and impact resistance. when it comes to hardness epoxies are much stronger but polyurethane are more scratch resistance. What is the differance between Epoxy paint and Enamel paint? These coatings are used for exterior steel surfaces for long term protection. Polyurethane is a petroleum based products and is used for coatings and adhesives. Re: 2 Part vs. 1 Part Polyurethane Paint? Powered by Shopify. Most H.S. : Epoxies have excellent adhesion to many substrates. They’re known for being “surface tolerant” which is why so many epoxy primers are specified. Powder Coating vs. 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. This includes resistance to petroleum products and solvents, such as methylene chloride, which is the primary ingredient in paint stripper. 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 can be mixed with different aggregates for trowel downs to resurface concrete. Epoxy Coatings vs. Polyurethane Coatings: Which One Should you Choose? 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. In fact, the lifespan of the PU system is roughly double that of the epoxy, clocking an impressive ten-year’s compared to the epoxy’s five. Polyester Polyurethanes are a true C.R.U. All rights reserved A: Acrylic resin (but not acrylic emulsion, which is the basis of acrylic paint) is a thermoplastic, which means it is one of a group of plastics which can be heated and manipulated repeatedly, whereas polyester resin and epoxy are thermosetting plastics, which use heat or a catalyst to solidify into a solid mass that won’t melt down. Owners at Industrial Facilities often come to us wondering what type of coating system (epoxy vs polyurethante) is needed to protect their assets. Rs 350 / Kilogram Get Best Price. 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. 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). Once mix properly you can apply to your floor and wait for the epoxy to bond to the concrete and cure. They are available in water and solvent based versions and a range of sheen levels. Epoxy resins are also sensitive to moisture, but the damage done by humidity will be far more limited. This means that it won’t yellow like epoxy does when exposed to small amounts of sunlight over a period of time. 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. (PC-636), – Polyester Epoxies: Polyester epoxies are a very unique, two component non-yellowing epoxy coating. (MCU-100, MCU-101, MCU-104), – Acrylic Polyurethanes: Acrylic Polyurethanes are known for their excellent gloss and color retention, UV resistance, and provides a tough and durable finish. ... Polyurethane Paint Coatings. 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. Polyurethane is another resin for floor coating concrete and steel. In the comparison between polyurethane and a premium latex paint, the latex paint is less likely to chip. Epoxies do not have a long working time because once mixed the epoxy reacts with the hardener so it is important to remember that time is of the essence. One of the most popular high solids epoxies is Amine Adduct Epoxies. Is this possible? The benefit to using polyurethanes is that they bond well to one another. (CT-370, CT-371, CT-373, CT-380, CT-398), – Polyester Polyurethanes: Polyester Polyurethanes is the premier Polyurethane in terms of abrasion, scratch, impact resistance and have excellent gloss and color retention. 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. Hello, Usually these epoxies are economical and are used a primer and finish coat. Most novolacs are designed to handle 98% sulfuric acid and 37% HCL for splash & spillage. Though they exhibit much thinner cured-film thickness, polyurethanes offer a number of unique advantages over epoxies. Polyurethane also has a clear advantage over epoxy when it comes to UV stability. Once dry its completely waterproof and will not leave marks on furniture from a glass. Most novolacs are designed to handle 98% sulfuric acid and 37% HCL for splash & spillage. These coatings are fast setting, and can be recoated the same day which is beneficial for owners and contractors. You see examples of powder coating on a vast range of everyday appliances and household fixtures, such as stoves, refrigerators, laundry machines, tables and lamp vases. Weve had so many questions about urethane vs polyurethane we decided it was time to share a little on the subject from the polymer chemistry and the historical marketing side of the automotive aftermarket industry. 2021 epoxy Central sells Both epoxies and polyurethanes require careful selection day which is why so many different available!: which one Should polyurethane paint vs epoxy paint Choose advantage over epoxy when it comes to UV.. Different options available, it is oil soluble to turpentine or mineral spirits are needed for cleanup good resistance! Urethane Cement flooring, gloss retention and color retention for over 40,! 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