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Engineers and designers are always looking for ways to build long-lasting systems. Factors, such as corrosion, physical and chemical damage are threats against durable results. There are various procedures to ensure longevity such as coating. A variety of coating methods are at disposal of engineers.
Epoxy coating are one of the most popular coating methods out there. In this article, we will take a closer look to epoxy coatings.
What Is It?
Epoxy coatings are made of a combination of resins and hardeners. the combination of those substances create a strong, durable and resistant surface. These coatings can be used on a variety of surfaces. Concrete, metal, and wood are the main substrates for epoxy coatings. Epoxy provides a range of benefits for both industrial and commercial applications.
Advantages
One of the main benefits of epoxy coatings is their strength and durability. Epoxy coatings create a adhesive and resistant surface. Epoxy coated surfaces can withstand heavy traffic, impact, and abrasion. This makes epoxy ideal for use in areas where heavy machinery or equipment is used.
Another benefit of epoxy coatings is the seamless and aesthetic surface. Epoxy coatings can be applied in a range of colours and finishes. This allows for customisation of the surface to meet the specific requirements.
Epoxy coatings are also resistant to chemicals and staining. This makes them ideal for use in facilities where chemical spills and stains are common. The chemical resistance also makes coatings easy to clean, which reduces maintenance costs.
Besides to their durability and chemical resistance, epoxy coatings are also environment friendly. Epoxy coatings are free of volatile organic compounds (VOCs). VOCs are harmful to the environment and human health. This makes epoxy an excellent choice where environmental sustainability is a priority.
Disadvantages
While epoxy coatings have many advantages, they do have some drawbacks. Here are some of the main disadvantages of epoxy coatings.
High Initial Cost: Epoxy coatings can be more expensive than other types of coatings, such as paint or stain. This is due to the cost of the materials and the labor required.
Time-Consuming Application: Epoxy coatings need proper surface preparation. Cleaning, sanding, and filling any cracks or imperfections is required before application. This can be a time-consuming process, especially for larger surfaces.
Hazardous Chemicals: Epoxy coatings contain chemicals that can be hazardous. The resins and hardeners used in epoxy coatings can be harmful if inhaled or come into contact with skin. Proper protective gear is necessary during application.
Limited UV Resistance: Epoxy coatings are not recommended for outdoor use due to their low UV resistance. Epoxy may discolour or degrade over time under UV exposure.
Preparation and Application
When it comes to applying epoxy coatings, surface preparation is very important. Any imperfections in the surface can impact the adhesion of the epoxy coating. Thus, it is important to prepare the surface before application. Usual steps for preparation are cleaning, sanding and imperfection repairs.
Epoxy coatings can be applied using a range of techniques. Depending on the desired finish, brushing, rolling, and spraying, are used.
Summary
Epoxy coatings are used in a range of industrial and commercial applications. Strength, durability, resistance, and customizability make epoxy ideal for various settings. Proper preparation and application, ensure a seamless, and aesthetic surface that is easy to clean and maintain.
