Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 2: Assessment of degree of blistering
ISO 4628-2:2003 describes a method for assessing the degree of blistering of coatings by comparison with pictorial standards.
NOTE The pictorial standards have been adopted from ASTM D 714, Standard Test Method for Evaluating Degree of Blistering of Paints. The correlation between the ISO and ASTM rating systems is shown in an annex.
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