ISO 12944-9 Protective paint systems

Atmospheric corrosivity categories:
CX – extreme

Corrosivity category Examples of typical environments (informative only): Exterior Examples of typical environments (informative only): Interior
CX – extreme Offshore areas with high salinity and industrial areas with extreme humidity and aggressive atmosphere and subtropical and tropical atmospheres Industrial areas with extreme humidity and aggressive atmosphere

Categories for water and soil:
Im4 – immersion in sea or brackish water

Category Environment Examples of environments and structures
Im4 Sea or brackish water Immersed structures with cathodic protection (e.g. offshore structures)

 

Protective Paint Systems for Offshore and Related Structures:

 

System / Report No: 3410-09-0023 Mt01
Corrosivity category: CX (Offshore)
Surface preparation: Sa 2 ½
Total coats: 3, Total DFT (µm): 280

Product name Product type Coats DFT (µm)
Primer coat Barrier ZnR 1 90
Intermediate coats Jotacote Universal, alum. EP 1 130
Topcoat Hardtop Optima PUR 1 60

 

System / Report No: LAB11-0834-REP
Corrosivity category: CX (Offshore)
Surface preparation: Sa 2 ½
Total coats: 3, Total DFT (µm): 280

Product name Product type Coats DFT (µm)
Primer coat Barrier ZnR 1 60
Intermediate coats Jotamastic 90, alum. EP 1 160
Topcoat Hardtop Optima PUR 1 60

 

System / Report No: LAB10-0821-REP
Corrosivity category: CX (Offshore)
Surface preparation: Sa 2 ½
Total coats: 3, Total DFT (µm): 285

Product name Product type Coats DFT (µm)
Primer coat Barrier ZnR 1 75
Intermediate coats Penguard Express EP 1 150
Topcoat Hardtop XP PUR 1 60

 

System / Report No: 3400-15-022579 Mt09 Rev.B
Corrosivity category: CX (Offshore)
Surface preparation: Sa 2 ½
Total coats: 3, Total DFT (µm): 280

Product name Product type Coats DFT (µm)
Primer coat Barrier ZnR 1 60
Intermediate coats Penguard Universal EP 1 160
Topcoat Hardtop AX PUR 1 60