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.
EN ISO 787-15:1995
EN ISO 787-15:2019
60.60 Standard published
Sep 25, 2019