General methods of test for pigments and extenders - Part 15: Comparison of resistance to light of coloured pigments of similar types (ISO 787-15:1986)
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Разработчик:
Зарубежные/ON
ICS:
87.060.10 Pigments and extenders / Пигменты и разбавители
Описание
This part of IS0 787 describes a general method of test for comparing the resistance to light of samples of similar types of coloured pigments (agreed reference pigment and test sample). Two methods of exposure are described. In method A, the material is exposed under glass to natural light. In method 9, the material is exposed to direct artificial light. NOTE - When either of these general methods (A or B) is applicable to a given pigment, only a cross-reference to the appropriate method should be included in the International Standard relating to that pigment, indicating any detailed modification that may be needed in view of the special properties of the product. Only when the procedures given in this general method are not applicable to a particular product should a different method for comparison of resistance to light be specified. Diese ÖNORM beschreibt eine allgemeine Prüfmethode zum Vergleich der Lichtbeständigkeit von Proben farbiger Pigmente ähnlicher Typen (vereinbartes Referenz-Pigment und Prüfmuster). Es werden zwei Arten der Belichtung angewendet. In Verfahren A wird das Material unter Glas natürlichem Licht ausgesetzt. In Verfahren B wird das Material direktem künstlichem Licht ausgesetzt.