How to reduce the damage of stainless steel fan impeller?

3. The upper anti-corrosion wear-resistant coating of the impeller to prevent wear. Wear-resistant composite materials can be used to repair or maintain the wear of metal surfaces. They not only have good wear resistance, but also can be combined with metal stainless steel fan impellers. However, since the thickness of the wear-resistant coating needs to reach 6mm or even thicker, it is not recommended to use it in some narrow tunnels or environments required for startup.