Attached creatures and salt should be removed by high pressure water washing and let the surface dry.
Dirt, oil, grease etc. should be removed by solvent or chemical cleaner wipe.
Loose film and barnacles should be removed by scraper.
Rusty spots should be sandblasted to more than ISO8501-1 (SIS)Sa2.5.
In case, powertool applied grade should be ISO 8501-1(SIS)St3.
|C-RUBAN AC HB