ISO 787-15:2019
ISO 787-15:2019 General methods of test for pigments and extenders - Part 15: Comparison of resistance to light of coloured pigments of similar types
standard by International Organization for Standardization, 08/01/2019
Full Description
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.