Paints and varnishes. Evaluation of defects on coated surfaces using optical imaging. Part 2: Evaluation procedure for multi-impact stone-chipping test (ISO 21227-2:2006)
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ISO 21227-2:2006 describes a procedure for evaluating multi-stone impact damage by means of optical imaging. A suitable method for simulating the damaging process is specified in ISO 20567-1.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Requirements
4.1 General
4.2 Illumination
4.3 Region of interest and resolution
5 Calibration
5.1 General
5.2 Calibration process
6 Procedure
7 Evaluation
7.1 General
7.2 Evaluation
7.3 Rating in accordance with ISO 20567-1
7.4 Extended evaluation
8 Precision
9 Test report
Annex A Ratings in accordance with ISO 20567-1 to be used to evaluate the damage as a whole (normative)
Annex B Example of an extended evaluation (informative)
ISO 20567-1:2005 Paints and varnishes -- Determination of stone-chip resistance of coatings -- Part 1: Multi-impact testing
ISO 21227-1:2003 Paints and varnishes -- Evaluation of defects on coated surfaces using optical imaging -- Part 1: General guidance
ISO 20567-1:2005 Paints and varnishes -- Determination of stone-chip resistance of coatings -- Part 1: Multi-impact testing
ISO 21227-1:2003 Paints and varnishes -- Evaluation of defects on coated surfaces using optical imaging -- Part 1: General guidance