1、Designation: E 2072 04An American National StandardStandard Specification forPhotoluminescent (Phosphorescent) Safety Markings1This standard is issued under the fixed designation E 2072; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revisi
2、on, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification c
3、overs minimum photometric require-ments for newly applied photoluminescent (phosphorescent)safety materials used to provide supplemental markings ofescape routes, emergency equipment, and obstructions alongthe escape route. (see also Test Method E 2073 and GuideE 2030).1.2 This specification establi
4、shes minimum luminance val-ues for photoluminescent (phosphorescent) markings.1.3 This specification applies to all types of photolumines-cent (phosphorescent) markings, including but not limited toplastics, coatings, ceramics, films, etc.1.4 This specification does not cover potentially diminishedp
5、erformance due to wear and tear and aging.1.5 This specification applies only to photoluminescent(phosphorescent) markings emitting the majority of spectralenergy within the 515 to 535 nanometer range.1.6 When reference is made regarding photoluminescencein the text of this standard, it implies phos
6、phorescence.1.7 The values stated in SI units are the standard. The valuesgiven in parentheses are provided for information purposesonly.2. Referenced Documents2.1 ASTM Standards:2E 284 Terminology of AppearanceE 1316 Terminology for Nondestructive ExaminationsE 2030 Guide for Recommended Uses of Ph
7、otoluminescent(Phosphorescent) Safety MarkingsE 2073 Test Method for Photopic Luminance of Photolumi-nescent (Phosphorescent) Markings3. Terminology3.1 Definitions of terms in Terminology E 284 and Termi-nology E 1316 are applicable to this specification.4. Performance Requirements4.1 Optical Requir
8、ements:4.1.1 Luminance in a Test LaboratoryThe photopic lumi-nance of all three specimens of the photoluminescent marking,measured in compliance with Test Method E 2073, shall be notless than: 20.0 mcd/m2at 10 min after activation has ceased;and 2.8 mcd/m2at 60 min after activation has ceased.5. Ins
9、tallation Site5.1 On-Site LuminanceThe photopic luminance of on-siteinstalled photoluminescent markings shall be measured incompliance with Test Method E 2073, except for XENONactivation. The on-site lighting shall be used as activation.Markings must be a minimum of 25.4-mm (1-in.) width. Formarking
10、s of width W, the required photopic luminance shall, atall times, be not less than:1500/W mcd/m2at 10 min after activation has ceased220/W mcd/m2at 60 min after activation has ceasedFor this calculation, the width W is measured in millimetres.Examples of Required Luminance ValuesWidth of Marking 10
11、min afteractivation has ceased60 min afteractivation has ceasedMinimum 25.4mm 59.06 mcd/m28.66 mcd/m240mm 37.50 mcd/m25.50 mcd/m275mm 20.00 mcd/m22.93 mcd/m2100mm 15.00 mcd/m22.20 mcd/m25.2 ActivationThe required recharging activation level forphotoluminescent safety markings depends on the ambientl
12、uminance level, the type of light source utilized, and theduration of exposure to the activating light source. Consultmanufacturers for performance levels under various lightingconditions.6. Keywords6.1 escape routes; luminance; photoluminescent safetymarkings1This specification is under the jurisdi
13、ction of ASTM Committee E12 on Colorand Appearance and is the direct responsibility of Subcommittee E12.13 onPhotoluminescent Safety Markings.Current edition approved Nov. 1, 2004. Published December 2004. Originallyapproved in 2000. Last previous edition approved in 2002 as E 2072 00 (02)e1.2For re
14、ferenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, W
15、est Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights,
16、and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revi
17、sion of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you
18、shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).E2072042
