18 500

Corrosion classC1C2C3C4C5CXEnvironmental corrosionVery lowLowAverageHighVery highExtremeExamples of environmentsIndoorsHeated areas with arid atmosphere and insignificant quantities of pollutant, e.g.

offices, shops, schools and hotels.Non-heated areas with fluctuating levels of temperature and humidity. Few instances of condensation and low levels of airborne pollution, e.g. sports halls and warehouses.Average levels of humidity and some airborne pollution resulting from production processes, e.g.

Frigidaire 18 500 btu window air conditioner

breweries, dairies, laundries.High humidity and considerable airborne pollution as the result of production processes, e.g. chemical plants, swimming pools and dockyards.Buildings with almost permanent condensation and with high pollutionIndustrial buildings with extreme humidity and aggressive atmosphere.Outdoors Atmospheres with low levels of airborne pollution.

Rural areas.Atmospheres containing