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Photoluminescent Luminance decay properties

JALITE products are all systematically tested for photoluminescent decay properties according to the test procedures given in BS ISO 17398 and BS ISO 16069. These methods all relate back to the original milestone German Standard DIN 67510 Part 1.
JALITE as founder member of the Photoluminescent Safety Products Association was involved heavily in setting the industry classification system which was formally adopted in the above ISO Standards.

With recent developments in Codes and Standards for Photoluminescent Safety Products and in line with the recognized industry development it is now considered necessary to extend the PSPA material classification systems as follows:


Luminance Classes ISO 17398 and PSPA proposals
Classification/Luminance mcd/m2 2 mins 10 mins 30 mins 60 mins
Class A 108 25 7 3
Class B 210 50 15 7
Class C 690 140 45 20
Class D 1100 260 85 35
Class E 1800 400 120 55
Class F 2300 520 155 70
Class G 3000 650 190 80


The capability now to extend the luminance decay properties to close to 30 times the performance of the old industry base standard is remarkable and opens the door to improved escape route lighting applications and the eventual replacement of electrical escape route lighting. For more technical details and luminance properties under different light sources and illumination conditions please register and contact us.