Industrial coatings protect materials such as steel and concrete, increasing their lifespan and reducing replacement costs. Common polymers used include epoxy and polyurethane. Application methods vary, from brushes to electroplating. Bituminous paint protects roofs from water, while fluoropolymer offers excellent corrosion protection.
An industrial coating is a layer or layers of protective coating applied to steel, concrete, and other materials. The liners are made from common polymers such as epoxy, polyurethane, and moisture-curing urethane. Industrial coating formulas and application methods vary widely depending on the structure and protection needed.
Industrial coatings can help increase the life of materials, reducing replacement costs. These coatings are essential for protecting the metal used in bridges subjected to salt spray, oxidation and humidity. Applying an industrial finish to these types of structures significantly increases their life expectancy.
The most common application methods for industrial coatings are using brushes, paint rollers or airless sprayers. The application method used depends on the type of coating used and the structure to be coated. More complicated methods include electrocoating, autophoretic application, or spinning.
Electroplating is a process that involves applying a voltage difference between electrodes immersed in an organic solution that creates a protective film on the metal. The spinning process spins the subject at high speed to evenly distribute the industrial finish. These processes are often used to coat automotive, aviation and other specialty parts. Autophoretic application uses a reaction caused by the introduction of organic resins to an acid-etched surface, providing a protective layer to the applicable material.
Epoxy paint and polyurethane are common types of protective industrial coatings used in residential settings to seal and protect garage floors. Some downsides of epoxy resin are that it is prone to scratching and does not hold up well in direct sunlight due to its low resistance to ultraviolet light. Adding a layer of polyurethane on top of the epoxy increases its strength and resistance to sunlight.
Another type of industrial coating used in the construction industry by roofing contractors is bituminous paint. This industrial coating protects ferrous and non-ferrous materials such as felt, asphalt and wood from water. The common method of application when using bituminous industrial coatings on roofs is to roll or rub the material over the surface. Bitumen also protects iron or steelwork in certain applications, but has a shorter life than other more advanced coatings.
Fluoropolymer is an industrial coating formulated with advanced resins and lubricants. This type of industrial coating offers excellent corrosion protection and strong chemical resistance. Fluoropolymer is widely used to extend the life expectancy of fasteners subjected to harsh conditions.
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