It is mechanically abraded, de-dusted, loose-debris-free steel with permissible stains and tight mill scale. Use it only where coatings are forgiving and service environments are mild. For the full legal text, tables, and inspection checklists, purchase the official AMPP/SSPC SP-03 PDF – it is a 6-10 page document that has shaped industrial maintenance painting for over six decades.
Achieving a surface that meets the SSPC-SP 3 specification involves several critical steps: SURFACE PREPARATION STANDARD NO. 3 sspc-sp 3 pdf
At its core, this standard describes the use of power-assisted tools to remove loose mill scale, loose rust, loose paint, and other detrimental foreign matter. Unlike abrasive blast cleaning (SSPC-SP 7, SP 6, SP 10, SP 5), power tool cleaning does not remove all adherent material. Instead, it focuses on removing the "loose" components to provide a sound substrate for the new coating. Achieving a surface that meets the SSPC-SP 3
A legitimate reseller of technical standards. They offer the with secure download and corporate billing options. Instead, it focuses on removing the "loose" components