ISO 4628-4:2016

ISO 4628-4:2016

January 2016
International standard Current

Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 4: Assessment of degree of cracking

ISO 4628-4:2016 specifies a method for assessing the degree of cracking of coatings by comparison with pictorial standards.ISO 4628‑1 defines the system used for designating the quantity and size of defects and the intensity of changes in appearance of coatings and outlines the general principles of the system. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing.

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Main informations

Collections

International ISO standards

Publication date

January 2016

Number of pages

15 p.

Reference

ISO 4628-4:2016

ICS Codes

87.040   Paints and varnishes

Print number

3
Sumary
Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 4: Assessment of degree of cracking

ISO 4628-4:2016 specifies a method for assessing the degree of cracking of coatings by comparison with pictorial standards.

ISO 4628‑1 defines the system used for designating the quantity and size of defects and the intensity of changes in appearance of coatings and outlines the general principles of the system. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing.

Replaced standards (1)
ISO 4628-4:2003
September 2003
International standard Cancelled
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 4 : assessment of degree of cracking

ISO 4628-4:2003 describes a method for assessing the degree of cracking of coatings by comparison with pictorial standards, using the designation system defined in ISO 4628-1.

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