ASTM-E2072 2004

$35.75

E2072-04 Standard Specification for Photoluminescent (Phosphorescent) Safety Markings

Published By	Publication Date	Number of Pages
ASTM	2004	2

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Category: ASTM

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Description

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 other potentially dangerous objects. (see also Test Method E 2073, Test Method for Photopic Luminance of Photoluminescent (Phosphorescent) Markings, and Guide E 2030, Guide for Recommended Uses of Photoluminescent Safety Markings).

1.2 This specification establishes minimum luminance values for photoluminescent (phosphorescent) markings for detection in clear air under blackout conditions.

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 SI units are the standard. The values given in parentheses are provided for information purposes only.

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