www.nace.org/r...
NACE
Protective Coatings Industry
The total annual U.S. cost for organic and metallic protective coatings is $108.6 billion, according to a NACE study. The study estimates that 50% of all corrosion costs are preventable, and approximately 85% of these are in the area of coatings.
Protective coatings, including paints, are thin layers of solid material applied to a substrate, with the coating acting as a barrier to inhibit or prevent corrosion. Each liquid, liquefiable, or mastic composition is converted into a solid protective, decorative, or functional adherent film after application to a surface. These coatings may be sprayed on, welded on, plated on, or applied using hand tools.
Besides corrosion resistance, protective coatings can help a substrate withstand issues such as wear and exposure to water. They can also improve the asset’s aesthetic appearance.
Materials commonly used in organic coatings are epoxies, polyurethanes, or other polymers. Meanwhile, materials typically found in inorganic metallic coatings include zinc, aluminum, and chromium.
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Paint:
The main purpose of painting anything is to improve the aesthetics (the look or beauty of something). Paint can be applied to a variety of surfaces using many different application techniques. While there are some protective qualities that come with painting anything, that is not the real purpose of paint. The result of applying paint is for any surface to temporarily look nicer, look more vibrant, appear cleaner, or seem newer than it did before paint was applied.
Coating:
What paint cannot do is where coating steps in; perform. Coatings are paints with purpose. The end purpose depends on the coating system that is decided upon. Like paint, coatings are applied to a variety of surfaces using many different application techniques. Here are a few examples of the performance a coating system can provide that paint cannot:
color retention
flexibility and elasticity
water proofing
water shedding
breathability (permeable)
rust and corrosion containment and prevention
self-cleaning
anti-microbial
Coating can be paint, but paint cannot be coating. The difference is performance.
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Негізгі бет [플랜트교육] 도장(塗裝, Coating) 도색(塗色, Painting) 차이점 초간단 설명~!!!(2분 순삭) Coating and Painting Difference~!!!
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