Textiles. Tests for colour fastness - Grey scale for assessing staining Ingestion-build-159183 signalling and telecommunication apparatus installed

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

incorporating sealed motor-compressors

Components or devices necessary for the operation/control/protection/isolation (e

The emphasis in this International Standard is on the generic methodology of the four-point bend test

track configuration

Textiles. Tests for colour fastness - Grey scale for assessing staining Ingestion-build-159183 signalling and telecommunication apparatus installed1 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.