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Paints and varnishes. Evaluation of defects on coated surfaces using optical imaging. Evaluation procedure fo…

Paints and varnishes — Evaluation of defects on coated surfaces using optical imaging — Part 2: Evaluation pr…

Overview ISO 21227-2:2006 specifies an evaluation procedure for multi-impact stone‑chipping tests on coatings using digital optical imaging. It defines how to acquire, calibrate and analyse images of…