General methods of test for pigments and extenders - Part 15: Comparison of resistance to light of coloured pigments of similar types
NORM herausgegeben am 1.3.2020
Bezeichnung normen: ČSN EN ISO 787-15
Zeichen: 670520
Katalog-Nummer: 508969
Ausgabedatum normen: 1.3.2020
Zahl der Seiten: 20
Gewicht ca.: 60 g (0.13 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This document 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 this document. In method A, the material is exposed under glass to natural light. In method B, the material is exposed to direct artificial light