Historical
ONORM EN ISO 4628-10:2004
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) (Austrian Standard)
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.
Content Provider
Austrian Standards Institute [on]