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Cor Map apparatus for rebar corrosion location

Concrete - NDT Durability test apparatus: Cor Map apparatus for rebar corrosion location

Corrosion, which is an electrochemical process, occurs in concrete when oxygen and moisture are present. The measurements made with the Cor Map apparatus, using the half cell method, can be plotted on a grid and lines of equipotential contours drawn, highlighting areas of possible corrosion activity.
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