According to standard classifications, what does SSPC-SP2 refer to?

SSPC-SP2 refers to a specific surface preparation standard known as "Hand Tool Cleaning." This process is a method used to prepare surfaces before coating, where hand tools are employed to remove contaminants such as loose rust, paint, and other foreign substances. The goal of hand tool cleaning is to achieve a surface that is clean and has a certain level of roughness, which is essential for promoting good adhesion of coatings.

This standard is particularly useful in situations where power tool cleaning may not be feasible, such as in delicate or hard-to-reach areas. By following SSPC-SP2 guidelines, inspectors can ensure that the surface preparation is sufficient for the application of protective coatings, leading to longer-lasting and more effective corrosion protection.