Historical
ISO 4628-4:1982
Paints and varnishes - Evaluation of degradation of paint coatings - Designation of intensity, quantity and size of common types of defect - Part 4 : Designation of degree of cracking
Provides pictorial standards for designating. The quantity of cracking is rated by reference to table 2 of ISO 4628/1 and using as examples figures 1 or 2, depending on the type of cracking. The average size of the cracks is designated according to the classification.
CONTENT PROVIDER
International Organization for Standardization [iso]
International Organization for Standardization [iso]