COMPLETE QUESTIONS AND ANSWERS
GRADED A+
◍ ISO 8504-3 . Answer: Solvent Cleaning
-removing visible oil, grease, soil and machining lubricants
-removing non-visible soluble contaminants from steel surface
-used before hand or power tool cleaning
◍ SSPC-SP 2 . Answer: Hand Tool Cleaning
-Manually chipping, scrapping, brushing, and sanding the surface to
remove foreign material
-can typically remove ALL loose mill scale, coatings, rust, and other
loose detrimental materials
-This method along CANNOT be used for most high-performance
coating systems or systems that require a truly clean substrate
◍ SSPC-SP 3 . Answer: Power Tool Cleaning
-Removing loosely adherent mill scale, rust, paint and other foreign
matter
-Can by impact and/or abrasion and are used frequently for small repairs
or spot cleaning of damaged coatings
, -Can create a surface profile depending on the tool - typically can't
create a uniform surface profile
(Includes SSPC-SP 11 / SSPC-SP 15)
◍ SSPC-SP 11 . Answer: Power tool cleaning to bare metal
-Removing tightly adherent mill scale, rust, paint, and other foreign
matter
Levels 1 (0% of rust or paint residue allowed at pit bottoms)
Level 2 (0% of rust or paint residue allowed at pit bottoms)
Level 3 (5% of rust or paint residue allowed at pit bottoms)
◍ SSPC-SP 15 . Answer: Commercial grade power tool cleaning
-Remove tightly adherent mill scale, rust, paint, and other foreign matter
-can have trace amounts of coating and corrosion products in pits
-minimum surface profile shall be 1.0 mil, deeper if specified
◍ SSPC-VIS 3 . Answer: Guide & Reference Photographs for steel
surface prepared by power and hand tool cleaning
Includes: SSPC-SP 2 / SSPC-SP 3 / SSPC-SP 11 / SSPC-SP 15