Erosion and wear of anti-corrosion coatings
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Generally, coatings have poor resistance to erosion and wear; for example, the pipe ends of coated water coolers suffer from rapid wear due to turbulent flow impacts, requiring frequent repairs. However, polyurethane and rubber-based coatings are materials with good elasticity, as well as excellent resistance to erosion and wear.
If the anti-corrosion coating is too hard, it is more prone to wear when subjected to water flow or friction. For example, at the ends of the water cooler tubes, the fast flow of water causes the coating to wear out quickly, so it needs to be repaired frequently. However, materials like polyurethane and rubber are more elastic, offering much better impact resistance and wear resistance, and they are less likely to get damaged. .