ASTM E 2072 Standard Specification for Photoluminescent (Phosphorescent) Safety Markings
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ASTM E 2072 Document Information:
Title
Standard Specification for Photoluminescent (Phosphorescent) Safety Markings
ASTM International
Publication Date:
Nov 1, 2004
Scope:
This specification covers minimum photometric requirements for newly
applied photoluminescent
(phosphorescent) safety materials used to provide supplemental
markings of escape routes, emergency
equipment, and obstructions along the escape route. (see also Test
Method E 2073 and Guide E 2030).
This specification establishes minimum luminance values for
photoluminescent (phosphorescent)
markings.
This specification applies to all types of photoluminescent
(phosphorescent) markings, including
but not limited to plastics, coatings, ceramics, films, etc.
This specification does not cover potentially diminished performance
due to wear and tear and
aging.
This specification applies only to photoluminescent (phosphorescent)
markings emitting the majority
of spectral energy within the 515 to 535 nanometer range.
When reference is made regarding photoluminescence in the text of this
standard, it implies
phosphorescence.
The values stated in SI units are the standard. The values given in
parentheses are provided for
information purposes only.
Keywords:
- escape routes
- luminance
- photoluminescent safety markings
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