Polyurea coating has been on the Canadian market since the 1980’s, but its durability, flexibility, and versatility means that new polyurea applications are being found all the time. It is currently used across industries for waterproofing, corrosion prevention, water containment as well as containment of chemical and toxic substances, flooring, and mechanical equipment, just to name a few. Polyurea coating is also flexible with substrates, and is applicable on concrete, metals, wood, plaster, plastics, and many more.
A polyurea coating is the result of a reaction between an isocyanate and a resin blend, which forms a plastic- or rubber-like compound. This elastomer can be used in similar ways to other similar technologies such as polyurethane and epoxy, but the protection it provides combines the best aspects of both these coatings. Polyurea is used for everything from mining equipment and pipeline coating to playground fixtures, waterproof tank linings, asbestos encapsulation, and more.
Click read more to learn about the benefits and uses of polyurea coating, as well as help you find polyurea coating suppliers and manufacturers for your project in Canada.
WHY USE POLYUREA?
TOP 5REASONS TOUSE POLYUREA
Polyurea is a coating of choice for commercial, industrial, marine, and residential applications because it has many advantages over its alternatives. The alternatives also have some of these advantages but polyurea has them all in one coating. These include:
polyurea coating as tank lining
In Canada polyurea coating is used for example as water proof tank linings.
Waterproof and corrosion protection: Polyurea coatings have moisture insensitivity/resistance. They have low permeability and are also resilient to water, providing corrosion protection. Therefore, they are also used as tank linings.
100% solids: With a 1:1 volume ratio, the need for extra coats is eliminated, and the lack of solvents means it also VOC free and environmentally friendly.
High resistance: A polyurea coating provides chemical, abrasion, and UV resistance, as well as being able to withstand extreme temperature changes.
Fast set and fast return to service: A curing time of seconds or minutes means there is an almost immediate return-to-service time, and downtime is many times less than with another paint.
Strength and flexibility: Polyurea has a high polymeric elongation meaning that it stretches as well as resists punctures and tears.
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HOW POLYUREA COMPARES TO OTHERCOATINGS.
Why would you choose polyurea coating instead of a more traditional coating like epoxy? While other coatings have their own benefits, polyurea outperforms them in certain areas.
Polyurea vs. Polyurethane:
Though these coatings are related (both isocyanate-based), they have many differences. When being applied polyurethane based coatings are sensitive to temperature and moisture, where polyurea is not. Polyurea is elastic and can stretch, but polyurethane cannot. It also has a higher tensile strength.
Polyurea vs. Epoxy:
Epoxies are sensitive to temperature, humidity and moisture during application, with longer cure times than polyurea. Epoxy coatings are not flexible with the expansion of a substrate, and UV radiation will cause it to discolour, unlike polyurea.
Polyurea vs. Cementitious:
Unsurprisingly, cementitious coatings provide little give, and have far longer setting times than polyurea. All cementitious coatings have long setting and curing times.
In short, choose a polyurea coating when you require a very fast turn around in application, as well as when the application environment is moisture-laden, humid, below freezing, or hot. Polyurea is also preferable when you need a coating that can flex with the expansion of a substrate, or want a super hard-wearing level of abrasion resistance.
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