表面处理国际标准

PTFE

SSPC – Steel Structures Painting Council
NACE – National Association of Corrosion Engineers
SA – Swedish Standards Organization
SSPC-SP1
Solvent Cleaning
Solvent cleaning is a method for removing all visible oil, grease, soil, drawing and cutting
compounds, and other soluble contaminants. Solvent cleaning does not remove rust or mill scale.
It is intended that solvent cleaning be used prior to the application of paint and in conjunction
with surface preparation methods specified for the removal of rust, mill scale or paint. Change
rags and cleaning solution frequently, so that deposits of oil and grease are not spread over
additional areas in the cleaning process. Be sure to allow adequate ventilation.
SSPC-SP2/NACE ST2
Hand Tool Cleaning
A method of preparing steel surfaces by the use of non-power hand tools. Hand tool cleaning
removes all loose mill scale, loose rust, non-adhered paint and other detrimental foreign matter
by way of hand chipping, scraping, sanding, wire brushing, etc. It is not intended that adherent
mill scale, rust, and paint be removed by this process. Mill scale, rust and paint are considered
adherent if they can no be removed by lifting with a dull putty knife. Before hand tool cleaning,
remove visible oil, grease, soluble welding residues, and salts by the methods outlined in SSPCSP
1.
SSPC-SP3/NACE ST3
Power Tool Cleaning
A method of preparing steel surfaces by the use of power assisted hand tools. Power Tool
Cleaning removes all loose mill scale, loose rust, and other detrimental foreign matter by way of
power tool chipping, descaling, sanding, wire brushing, grinding, etc. It is not intended that
adherent mill scale, rust, and paint be removed by this process. Mill scale, rust and paint are
considered adherent if they can no be removed by lifting with a dull putty knife. Before power
tool cleaning, remove visible oil, grease, soluble welding residues, and salts by the methods
outlined in SSPC-SP 1.