Textiles. Tests for colour fastness - Grey scale for assessing staining Ingestion-build-159183 to generating plants

to generating plants

signalling and telecommunication apparatus installed inside the substation and connected to substation equipment is covered by EN 50121-5:2016

plastic or aluminium

or such other materials as are used for parts of the structure

The commonly used chemical name or the IUPAC name given in BS 3502-3 is referred to when defining each symbol

Textiles. Tests for colour fastness - Grey scale for assessing staining Ingestion-build-159183 to generating plants1 Scope This document describes the grey scale for determining staining of adjacent fabrics in colour fastness tests, and its use. A precise colorimetric specification of the scale is given as a permanent record against which newly prepared working standards and standards that may have changed can be compared.