: This standard was withdrawn in 2008 . While no longer an active ASTM standard, it is still frequently referenced in legacy project manuals and shipyard painting practices. Surface Preparation Insights
Method B: Wash PrimersThese are thin, vinyl-butyral-based primers containing phosphoric acid. They etch the surface while depositing a thin protective film. This is a common choice for field applications where complex chemical baths are not feasible.
: This standard was withdrawn in 2008 . While no longer an active ASTM standard, it is still frequently referenced in legacy project manuals and shipyard painting practices. Surface Preparation Insights
Method B: Wash PrimersThese are thin, vinyl-butyral-based primers containing phosphoric acid. They etch the surface while depositing a thin protective film. This is a common choice for field applications where complex chemical baths are not feasible. astm d2092 pdf