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NACE 8 (SSPC-SP 14) Lightly adherent mill scale, rust, and coating residue are permitted to
remain on ____ of each unit area of the surface. 10
SSPC-VIS 3 Visual Guide for Rust Grades. Rust Grades A-D (A is the worse)
SSPC SP-1 Solvent Pre Cleaning
ISO 8501 Sa3 Blast Cleaning to Visually Clean Steel.
Surfaced shall be free from oil, grease, dust, dirt, free from the mill scale, rust, paint coatings,
and other foreign matter. ISO 8501 Sa3
ISO 8501 Sa1 Light Blast Cleaning
NACE 2 (SSPC-SP10) Near-White Metal Blast Cleaning
When viewed the surface shall be free from oil, grease, dust, dirt, mill scale, rust, coating,
oxides, corrosion products, and other foreign matter. Random staining shall be limited to no
more than 5% of each unit area of surface. NACE 2 (SSPC-SP 10)