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Differentiating The Top 3 Protective Coating Systems

One of the most used metals in material handling systems, particularly in overhead cranes and other industrial settings is steel. This is due to the strength, easy manipulation, and cost-effectiveness of the metal. However, the major drawback of steel is that it’s prone to rust and corrosion when exposed to harsh conditions or used for caustic applications. This is where protective coating systems become an integral part of manufacturing steel products. 


Just like there are different types of industrial coatings, there are also various kinds of coating systems to choose from. Choosing the best system depends on your specific use. We’ll be identifying the top three options below.


Two-Part Epoxy Coating System


This coating system is the ultimate choice in numerous industrial applications due to its heavy-duty strength when used on metal substrates like iron and steel. Formulated with a primer and a finish coat, two-part epoxies are specially designed to protect surfaces from corrosion and oxidation. The resulting finish is very resistant to friction, abrasion, corrosive fluids, petroleum products, alkalis, diluted acids, heat, and cold, and is extremely hard. These great properties make epoxy protective coating systems ideal for automotive, construction, manufacturing, machinery, oil and gas, and many other industrial applications.  


Hot Dip Galvanizing System


This type of coating system is a perfect option if your application has to deal with an extremely corrosive environment or if excessive exposure to UV rays is very likely. Galvanized steel will be an excellent choice in this situation. The process of hot-dip galvanizing involves coating the steel product in zinc to give it durable protection against corrosion. The coating application process can be done off-site under controlled environments. The protected steel products are not only durable, lasting for several decades, but are also recyclable. They are suitable for marine applications, water treatment plants, farm equipment, pulp and paper mills, and solar projects.


Powder Coating System 


Among the protective coating systems available, powder coating does not utilize solvents. Instead, dry powdered paint is used to coat and protect the steel products. The powder is electrostatically charged with the use of a powered spray gun. The charge produced is what attracts the paint particles to the surface of the metal, holding them securely into place during the curing process, which forms the protective barrier around the substrate. The created finish is harder and tougher than conventional liquid paint.


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