Effects of Air Pollution on Materials and Cultural Heritage: ICP Materials Celebrates 25 Years of Research

<table>Average relative zinc corrosion at ICP Materials test sites. Values for both traditional and blasted zinc have been normalised to the 1987-1988 value for traditional zinc before averaging.</table>

International Journal of Corrosion

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Figure 4

Figure 4: Effects of Air Pollution on Materials and Cultural Heritage: ICP Materials Celebrates 25 Years of Research 