Standards catalogue

JS 17-4:2021

Graphical symbols - Safety colours and safety signs Part 4: Colorimetric and photometric properties of safety sign Materials

This part of JS 17 establishes the colorimetric and photometric requirements and test methods for the colours of safety signs to be used in workplaces and public areas. It provides the colorimetric and photometric specifications for the named safety and contrast colours prescribed in JS 17-1.

General information

Note: 16% tax is added to the Standards price