Table 6 Evaluation of corrosion resistance of coated steel panels composed of bio ZnO nanocomposite modified poly (ester amide) resin after exposure to salt spray for 450 h.

From: Preparation of new surface coating based on modified oil-based polymers blended with ZnO and CuZnO NPs for steel protection

Sample ID

Degree of rusting

Blistering

Scribe failure

mm

Size

Frequency

Sample blank withoud modictaion

5

6

F

5

Coating based on bio ZnO nanocomposite poly(ester-amide) resin

8

8

Medium dense

9

Coating based on bio CuO/ZnO nanocomposite poly(ester-amide) resin

9

9

Medium dense

9

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