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SNV - SN EN ISO 4628-8

Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 8: Assessment of degree of delamination and corrosion around a scribe or other artificial defect

active, Most Current
Organization: SNV
Publication Date: 1 January 2013
Status: active
Page Count: 18
ICS Code (Paints and varnishes): 87.040
scope:

This part of ISO 4628 specifies a method for assessing delamination and corrosion around a scribe or other artificial defect on a coated panel or other coated test specimen, caused by a corrosive environment.

This part of ISO 4628 does not cover evaluation of pitting corrosion or pit depth.

NOTE 1 Examples of corrosive environments are artificial atmospheres such as salt spray, as used in the test method specified in ISO 9227,[7] and sea water immersion as used in the test method specified in ISO 15711.[8] Natural environments can also be used.

NOTE 2 The extent of other defects can also be determined at the same time as delamination and corrosion. Methods are given as follows:

- blistering in accordance with ISO 4628-2;[2]

- rusting in accordance with ISO 4628-3;[3]

- cracking in accordance with ISO 4628-4;[4]

- flaking in accordance with ISO 4628-5;[5]

- filiform corrosion in accordance with ISO 4628-10.[6]

Document History

SN EN ISO 4628-8
January 1, 2013
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 8: Assessment of degree of delamination and corrosion around a scribe or other artificial defect
This part of ISO 4628 specifies a method for assessing delamination and corrosion around a scribe or other artificial defect on a coated panel or other coated test specimen, caused by a corrosive...
June 1, 2005
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 8: Assessment of degree of delamination and corrosion around a scribe (ISO 4628-8:2005)
A description is not available for this item.

References

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