DIN EN 12944

DIN EN 12944 Corrosion Resistance Classes

Information porvided without guarantees regarding their accuracy and exhaustivity.
The protection duration does not correspond to a "warranty period".

C Corrosivity Zinc g/m2 Protection Typical Anvironments  
           
C1 very low 70 2 - 5 Years Only inside buildings  
C1 very low 70 5 - 15 Years Only inside buildings  
C1 very low 70 über 15 Years Only inside buildings  
           
C2 low 80 2 - 5 Years Slightly contaminated atmospheres  
C2 low 120 5 - 15 Years Slightly contaminated atmospheres  
C2 low 160 über 15 Years Slightly contaminated atmospheres  
           
C3 moderate 120 2 - 5 Years Urban and industrial atmospheres  
C3 moderate 160 5 - 15 Years Urban and industrial atmospheres  
C3 moderate 200 über 15 Years Urban and industrial atmospheres  
           
C4 strong 160 2 - 5 Years Industrial and coastal atmospheres  
C4 strong 200 5 - 15 Years Industrial and coastal atmospheres  
C4 strong 280 über 15 Years Industrial and coastal atmospheres  
           
C5 very strong 200 2 - 5 Years Aggressive atmospheres, industry  
C5 very strong 280 5 - 15 Years Aggressive atmospheres, industry  
C5 very strong 320 über 15 Years Aggressive atmospheres, industry  
           
C6 extremely strong 200 2 - 5 Years Coasts, sea, offshore areas  
C6 extremely strong 280 5 - 15 Years Coasts, sea, offshore areas  
C6 extremely strong 320 über 15 Years Coasts, sea, offshore areas