Historical
ISO 4628-10:2003
Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 10: Assessment of degree of filiform corrosion
ISO 4628-10:2003 describes a method for assessing the amount of filiform corrosion developed from a scribed mark by measuring the length of the longest filament L and the most frequent length M of the filaments.
Pictorial examples are provided in an annex to illustrate different ratings for the length of the longest filament L and the most frequent filament length M.
International Organization for Standardization [iso]