What is C3 corrosion?

C3. Middle. Buildings for production with high atmospheric humidity and some air pollution such as food manufacturers, breweries, dairies and laundries. Urban and industrial areas, moderate sulphur dioxide pollution.

What is a C3 environment?

C3 – Medium Example exterior environments include: urban and industrial atmospheres, moderate sulfur dioxide pollution, or coastal areas with low salinity. Example interior environments include: production rooms with high humidity and some air pollution such as food processing plants, laundries, breweries, or dairies.

What is C3 paint?

C3 medium Industrial and urban atmospheres with a low sulphur oxide (IV) contamination level. Inshore areas of low salinity. C5 very high Industrial areas of high humidity and aggressive atmosphere and inshore areas of high salinity.

What is ISO C3?

C3 – medium corrosivity according to ISO 12944. C4 – high corrosivity according to ISO 12944. C5 I – very high corrosivity according to ISO 12944. Expected durability. (acc.

What are the different categories of corrosion C?

Corrosion c ategories are divided into 6 different categories according to ISO 12944-5, by their scope: Heated buildings with production, such as offices, shops, schools, hotels, etc. Environments with low levels of polution. Mainly rural setting

What does C3 stand for in coating system?

C3 – Typical coating system. Condition: A high durability coating system for environmental conditions classified as C3-medium corrosivity. Substrate: Steel. C3 – medium corrosivity according to ISO 12944. C4 – high corrosivity according to ISO 12944. C5 I – very high corrosivity according to ISO 12944. Expected durability.

Are there corrosion categories c5-c2 in Denmark?

Corrosion categories C1 og C2 do not exist in Denmark. Due to the prevailing wind conditions at the Danish west coast, corrosion category C5-M may occur as far as 25 km inside the country.

Which is the best class of corrosion protection?

The solutions for protection against corrosion for the corrosivity class C2 to C5 (atmospheric corrosion) are described in the central table of this document. 3. Exceptional cases 3.1 Corrosivity class C1 Corrosivity class C1 corresponds to the neutral interior atmosphere of a dry and heated building.

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