EIS RESULTS with top coat B
Samples AC1+B and AC3+B showed very good performances. In particular the sample AC3+B was characterised by the best protective properties. In fact the impedance values did not significantly change during the exposition and the Cc values increase was almost irrelevant (see Table 2). On both samples AC1+B and AC3+B no surface changes and/or damages were observed. As regards sample AC2+B it showed bad performances. The Rp values (Table 2) were very low already after 24 hours of exposure and many blisters were present on the coating surface.