ISO 16253:2017
Watch-cases and accessories — Vapour phase deposited coatings
ISO 16253:2017 specifies the general requirements and test methods for hard coatings obtained by vapour phase deposition processes intended to improve mainly the surface aspect and wear and corrosion resistance, and/or to offer protection against contact-allergy. It is applicable to watch-cases and accessories.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Coating
4.1.1 Appearance of coating
4.1.2 Thickness of coating
4.1.3 Adhesion of coating
4.1.4 Corrosion resistance of coating
4.1.5 Hardness of coating
4.1.6 Wear resistance of coating
4.1.7 Nickel release
4.1.8 Colour of coating
4.2 Base material, processes and coatings
4.3 Underlayer
5 Test methods
5.1 Test samples
5.2 Visual inspection
5.3 Thickness measurement
5.4 Adhesion test
5.5 Corrosion resistance test
5.6 Hardness test
5.7 Wear resistance tests
5.7.1 Wear resistance test in relation with the decorative aspect of the coating
5.7.2 Tests for the simulation of wear and corrosion
5.8 Measurement of colour
6 Identification and marking on the product
6.1 Identification
6.2 Marking on the product
Annex A (normative) Visual inspection of vapour phase deposited coatings
Annex B (informative) Base material, process and coatings
Annex C (normative) Evaluation of adhesion strength using the scratch test
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Coating
4.1.1 Appearance of coating
4.1.2 Thickness of coating
4.1.3 Adhesion of coating
4.1.4 Corrosion resistance of coating
4.1.5 Hardness of coating
4.1.6 Wear resistance of coating
4.1.7 Nickel release
4.1.8 Colour of coating
4.2 Base material, processes and coatings
4.3 Underlayer
5 Test methods
5.1 Test samples
5.2 Visual inspection
5.3 Thickness measurement
5.4 Adhesion test
5.5 Corrosion resistance test
5.6 Hardness test
5.7 Wear resistance tests
5.7.1 Wear resistance test in relation with the decorative aspect of the coating
5.7.2 Tests for the simulation of wear and corrosion
5.8 Measurement of colour
6 Identification and marking on the product
6.1 Identification
6.2 Marking on the product
Annex A (normative) Visual inspection of vapour phase deposited coatings
Annex B (informative) Base material, process and coatings
Annex C (normative) Evaluation of adhesion strength using the scratch test
Bibliography