ISO TR 22770
Preparation of steel substrates before application of paints and related products — Analytical colorimetry method to support visual assessment of surface preparation grades
|Publication Date:||1 July 2019|
|ICS Code (Surface preparation):||25.220.10|
This document provides guidance on the usage of analytical colorimetry to support visual assessment of surface preparation grades described in ISO 8501-1:2007, Clause 4.
This document provides examples of applications where the use of a colorimeter or spectrophotometer can enable a quick and objective assessment of the preparation grade of the substrate.
NOTE The data given in this document was obtained using the methodology described in Annex A.