ASTM E 2072 : 2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Specification for Photoluminescent (Phosphorescent) Safety Markings
Hardcopy , PDF
07-14-2023
English
03-01-2010
1.1 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 E2073 and Guide E2030).
1.2 This specification establishes minimum luminance values for photoluminescent (phosphorescent) markings.
1.3 This specification applies to all types of photoluminescent (phosphorescent) markings, including but not limited to plastics, coatings, ceramics, films, etc.
1.4 This specification does not cover potentially diminished performance due to wear and tear and aging.
1.5 This specification applies only to photoluminescent (phosphorescent) markings emitting the majority of spectral energy within the 515 to 535 nanometer range.
1.6 When reference is made regarding photoluminescence in the text of this standard, it implies phosphorescence.
1.7 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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