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ISO/TR 22770:2019

Preparation of steel substrates before application of paints and related products -- Analytical colorimetry method to support visual assessment of surface preparation grades

General information
Valid from 15.07.2019
Directives or regulations
None
Standard history
Status
Date
Type
Name
15.07.2019
Main
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.
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