Surface Preparation Standards

National Association of Corrosion Engineers (NACE)

NACE 1 White Metal Blast Cleaning
NACE 2 Near-White Blast Cleaning
NACE 3 Commercial Blast Cleaning
Steel Structures Painting Council (SSPC)

SP-1 Solvent Cleaning
SP-2 Hand Tool Cleaning
SP-3 Power Tool Cleaning
SP-4 Flame Cleaning
SP-5 White Metal Blast Cleaning
SP-6 Commercial Blast Cleaning
SP-7 Brush-Off Blast Cleaning
SP-8 Pickling
SP-9 Weathering Followed By Blast Cleaning
SP-10 Near-White Blast Cleaning
Swedish Standard (St,Sa)

St 2 Hand Tool Cleaning
St 3 Power Tool Cleaning
Sa 1 Brush-Off Blast Cleaning
Sa 2 Commercial Blast Cleaning
Sa 2 1/2 Near-White Blast Cleaning
Sa 3 White Metal Blast Cleaning