Photoluminescent Safety Signs

ISO 17398: 2004 - establishes the classification of photoluminescent products according to their luminance properties.

Duration after removing
the exciting light
Luminance intensity
Period of light decay
10 minutes60 minutesLuminance intensity greater
than a 0.32 mcd/m2
ISO 17398 Clase C according to
UNECE Regulation 107
140 mcd/m220 mcd/m2

215 mcd/m230 mcd/m2
3100 minutes

The method of measuring performance is according to ISO 17398: 2004