Analysis of the cleaning process of supersonic spraying!

       

Today, the supersonic spraying manufacturer will take you to understand the cleaning process of supersonic spraying!

All sprayed surfaces should be clean and dry, free from moisture, dust, oil, grease, surface chemicals and other contaminants. The surface of special structural steel must be ultrasonically sprayed with a roughness of 75, and its cleanliness and sandblasting cleanliness should be close to or close to the requirements of metallic white.



Excess rust must be removed mechanically before ultrasonic spraying, the "solvent cleaning" method allows you to remove all oil, grease, welds and other surface contaminants. Supersonic sprayed surfaces must be sprayed the same day to avoid rust and contaminant leakage. After sandblasting, if there is rust or contamination, it should be sandblasted first, then supersonic spraying.



Since the metal surface has a special primer for ultrasonic spraying, it is recommended to use a flexible polyurethane one-component moisturizing curing agent or two-component primer. Before ultrasonic spraying, the concrete surface is contaminated with oil, grease and dust. Must be cleaned with detergent. High pressure cleaning for HVOF requires high adhesion to remove contaminants. For smooth concrete surfaces, ultrasonic spraying should be performed to ensure a 125 micron ultrasonic sprayed surface. Sand blasting or shot peening are suitable methods to obtain roughness.



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