1、NFPA268 Standard Test Method for Determining Ignitibility of Exterior Wall Assemblies Using a Radiant Heat Energy Source 2012 Edition NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471 An International Codes and Standards Organization Become a MemberSubscribeto theRegister forSeminars, Webinars, and O
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25、it the NFPA website at www.nfpa.org. 12/11Copyright 2012 National Fire Protection Association. All Rights Reserved.NFPA268Standard Test Method forDetermining Ignitability of Exterior Wall Assemblies Using a RadiantHeat Energy Source2012 EditionThis edition of NFPA 268, Standard Test Method for Deter
26、mining Ignitability of Exterior WallAssemblies Using a Radiant Heat Energy Source, was prepared by the Technical Committee on FireTests. It was issued by the Standards Council on December 13, 2011, with an effective date ofJanuary 2, 2012, and supersedes all previous editions.This edition of NFPA 26
27、8 was approved as an American National Standard on January 2, 2012.Origin and Development of NFPA 268The 1996 edition represented the first edition for a standard that addressed the determi-nation of ignitability characteristics of exterior wall assemblies. The test method incorporateda radiant heat
28、 energy source. At the time this document was published, there were no stan-dardized test methods available within the standard writing organizations, and this documentcomplemented the fire test methods available within the NFPA standards. The results of thistest can be used to measure and describe
29、properties of materials in controlled laboratoryconditions and also can be used as an element of a fire risk assessment.The 2001 edition incorporated the new format and editorial changes as required to satisfythe Manual of Style for NFPA Technical Committee Documents. Revisions to 11.4.2, 11.4.2.1,
30、and12.1(10)(c) were made to incorporate the specific time period that was originally within thedefinition. No significant revisions were made in the 2007 edition.The 2012 edition has been revised editorially. Referenced publications have been revisedto reference the most up-to-date documents.2681NFP
31、A and National Fire Protection Association are registered trademarks of the National Fire Protection Association, Quincy, Massachusetts 02169.Technical Committee on Fire TestsWilliam E. Fitch, ChairPhyrefish Enterprises, Inc., FL SEFarid Alfawakhiri, American Iron and Steel Institute,IL MBarry L. Ba
32、dders, Jr., Southwest Research Institute,TX RTJesse J. Beitel, Hughes Associates, Inc., MD SERobert G. Bill, Jr., FM Global, MA IGordon H. Damant, Inter-City Testing no copy will be sent to you.) Date April 1, 200X Name John J. Doe Tel. No. 716-555-1234 Company Air Canada Pilots Association Email St
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