What is the NACE/SSPC Waterjetting Standard commonly referenced as?

The NACE/SSPC Waterjetting Standard is commonly referenced as VIS 4 and VIS 7. These standards describe the various grades of cleanliness that can be achieved through waterjetting processes.

VIS 4 corresponds to the standards for cleanliness that can be achieved with a high-pressure waterjet, which generally involves the removal of contaminants such as paints, rust, and other coatings effectively. VIS 7 outlines the acceptable level of surface preparation required for different applications, ensuring that the prepared surface is suitable for coating adhesion.

Understanding these standards is crucial for coatings inspectors, as they help determine whether surface preparation methods meet the necessary criteria for successful coating application. Using the right waterjetting standards ensures that surfaces are properly cleaned and prepared, ultimately affecting the durability and performance of the coatings applied.