The most widely-used surface preparation standards in use are the following:Swedish Standards (Sa, St), Steel Structures Painting Council (SSPC) standards and National Association of Corrosion Engineers (NACE) standards.Definitions for surface preparation Near-White Blast Cleaned Surface:A Near-White Blast Cleaned Surface finish is defined as a surface finish from which all oil, grease, dirt, mill scale, rust, corrosion products, oxides, paint or other foreign matter have been completely removed from the surface except for very light shadows, very slight streaks or slight … [Read more...]