VERY LOW CORROSIVITY C1 INDOOR
Application in heated buildings with clean indoor climate, such as hotels, shops, schools, offices and distribution centres.
LOW CORROSIVITY C2 INDOOR
Paint systems for unheated buildings where slight condensation may occur, such as in warehouses or sports halls.
AVERAGE CORROSIVITY C3 INDOOR
Paint systems for indoor applications. For commercial areas with high humidity and low air pollution, such as food industry, laundries and breweries.
HIGH CORROSIVITY C4 INDOOR
Paint systems for interior applications. Application in areas with high humidity, medium contamination such as in chemical plants, swimming pools and ship docks.
