ISO-22770 Preparation of steel substrates before application of paints and related products - Analytical colorimetry method to support visual assessment of surface preparation grades

ISO-22770 - 1ST EDITION - CURRENT


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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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25.220.10 (Surface preparation Including surface preparation for painting, cleaning, scouring, blasting, etc.)

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Document Number

ISO/TR 22770:2019

Revision Level

1ST EDITION

Status

Current

Publication Date

July 1, 2019

Committee Number

ISO/TC 35/SC 12