Knowledge Base
Introducing ISO 2808 – Industrial Physics
ISO 2808 is an international ISO standard that guides the thickness testing of coatings applied to a substrate.
Within the guidance documentation of this ISO method you will find descriptions on how to determine wet-film thickness, dry-film thickness and the film thickness of uncured powder layers.
ISO 2808 terms and definitions
Film thickness and ISO 2808
This represents the distance between the surface of the film and the surface of the substrate.
Wet-film thickness and ISO 2808
The wet-film thickness is the thickness of a freshly applied wet coating material, measured immediately after application.
Dry-film thickness and ISO 2808
Dry-film thickness is the thickness of a coating on a surface, after it’s hardened.
Thickness of the uncured powder layer and ISO 2808
This represents the thickness of a freshly applied coating material in powder form, measured immediately after application and before stoving.
Relevant surface area and ISO 2808
The part of an object covered, or to be covered, by the coating when the coating is essential for serviceability and/or appearance.
Test area and ISO 2808
The representative part of the relevant surface area within which an agreed number of single measurements is made as a spot‑check.
Measurement area and ISO 2808
The area over which a single measurement is made.
Minimum local film thickness and ISO 2808
The lowest value of the local film thickness found on the relevant surface area of a particular test specimen.
Maximum local film thickness and ISO 2808
The highest value of the local film thickness found on the relevant surface area of a particular test specimen.
Mean film thickness and ISO 2808
The arithmetic mean of all the individual dry-film thicknesses in the test area or the result of a gravimetric determination of the thickness.
ISO 2808 testing devices
So, how can Industrial Physics improve your ISO 2808 testing?
The TQC Sheen PosiTector 200 B3
An advanced thickness gauge for non-metal substrates. It measures total thickness and individual layers and features a clear graphic display.
Another accurate and reliable coating thickness gauge for non-metal substrates.
Your global test and measurement partner for ISO 2808
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