Identification

Description

(zinc/conversion layer)

Average thickness of the Zn + conversion coating (μm)

Z

Zn without conversion treatment

9.47 ± 0.23

ZCe

Zn/Ce³⁺

9.88 ± 0.39

ZCeD

Zn/Ce³⁺ and Ce⁴⁺

9.48 ± 0.75

ZCrZr

Zn/Cr³⁺ + Zr complexes

10.82 ± 0.53

ZCr6

Zn/Cr⁶⁺

11.12 ± 0.56