4. Thickness

4.1 Meaning of the measure

Coating thickness is an essential characteristic when the aim is to provide protection against corrosion; it is the subject of negotiations between the manufacturer – and the user, and very often the thickness of the coating determines the cost of the operation. The NF EN ISO 2064 standard provides precise definitions of local, average, and minimum thickness. It remains clear that the thickness measured must be that defined in the specifications.

4.2 Destructive methods