ASTM E3141 E3141M-2018 Standard Test Method for Ballistic Resistant Shields for Law Enforcement《执法用防弹屏蔽的标准试验方法》.pdf
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1、Designation: E3141/E3141M 18Standard Test Method forBallistic Resistant Shields for Law Enforcement1This standard is issued under the fixed designation E3141/E3141M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last
2、revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis test method for the ballistic resistance of shields has been prepared after consideration of thefeatures of ballistic-
3、resistant shields and of potential vulnerabilities. Specifically, the tests have beendesigned to target the face of the shield, the viewports, the handle support structures, and lights or anyother attachments to the body of the shield. This test method addresses ballistic resistance of shieldsused b
4、y law enforcement and corrections.This test method is to be used in conjunction with documents created by other concerned parties thatestablish performance levels through the specification of threats and other requirements.1. Scope1.1 This test method2applies to personal protectiveballistic-resistan
5、t shields.1.2 The intent of this test method is to evaluate the ballisticresistance of shield products for law enforcement.1.3 Certifiers, purchasers, and other users of this test methodwill specify the ballistic test threats to be used. Within this testmethod, the reference defining the ballistic t
6、est threats will becalled the “test threats document.”1.4 In this test method, “other standards and specifications”and “unless specified elsewhere” refer to documents (forexample, military standards, purchase specifications) that re-quire the use of this test method. Certifiers, purchasers, andother
7、 users are responsible for the “other standards andspecifications” and for specifying any requirements that super-sede those of this test method.1.5 UnitsValues stated in either the International Systemof Units (metric) or U.S. Customary units (inch-pound) are tobe regarded separately as standard. T
8、he values stated in eachsystem may not be exact equivalents. Tests conducted usingeither system maintain repeatability and reproducibility of thetest method and results are comparable.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is ther
9、esponsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard
10、-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3E3005 Terminology for Body ArmorE3062 Specificati
11、on for Indoor Ballistic Test Ranges forSmall Arms and Fragmentation Testing of Ballistic-resistant Items2.2 NIJ Standard:4NIJ Standard-0101.06 Ballistic Resistance of Body Armor2.3 ISO Standard:5ISO/IEC 17025 General Requirements for the Competenceof Testing and Calibration Laboratories3. Terminolog
12、y3.1 For terms not defined in this test method, the followingdefinitions of Terminology E3005 apply: complete penetration1This test method is under the jurisdiction of ASTM Committee E54 onHomeland Security Applications and is the direct responsibility of SubcommitteeE54.04 on Personal Protective Eq
13、uipment (PPE).Current edition approved March 15, 2018. Published April 2018. DOI: 10.1520/E3141_E3141M-18.2This test method is subject to revision as indicated by changes to threatsexperienced by law enforcement practitioners and subject to review at least everyfive years.3For referenced ASTM standa
14、rds, 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.4Available from National Institute of Justice (NIJ), 810 7th St., NW, Washington,DC 2053
15、1, http:/nij.gov.5Available from International Organization for Standardization (ISO), ISOCentral Secretariat, BIBC II, Chemin de Blandonnet 8, CP 401, 1214 Vernier,Geneva, Switzerland, http:/www.iso.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-29
16、59. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical
17、Barriers to Trade (TBT) Committee.1(see 3.2.2), shot-to-edge distance, shot-to-shot distance, strikeface, test item, witness panel, and yaw.3.2 Definitions of Terms Specific to This Standard:3.2.1 ballistic layup, nthe layering of ballistic materialsthrough the thickness of the ballistic-resistant i
18、tem underconsideration.3.2.1.1 DiscussionBallistic materials are typically re-corded from strike face to body side.3.2.2 complete penetrationfor purposes of this testmethod, definition 4 from Terminology E3005 applies: theresult of a test threat impact if a hole is created through thewitness panel.3
19、.2.3 fastener, nhardware device that mechanically joinsor affixes two or more objects together.3.2.3.1 DiscussionA primary example of this is a bolt thatjoins a handle or light to the body of the shield.3.2.4 opaque, adjnot able to be seen through; not trans-parent.3.2.4.1 DiscussionFunctionally, no
20、n-opaque, transparentshield components act as viewports.3.2.5 spall, nparticles of material from either the test itemor the impacting projectile that are broken off as a result of theballistic impact.3.2.5.1 DiscussionFor the purposes of this test method,spall includes secondary projectiles such as
21、bolts or otherfastenings that may be propelled toward the witness panel as aresult of a test threat impact.3.2.6 strike face, nthe surface of an armor panel or plateintended to face the incoming threat (Terminology E3005).3.2.6.1 DiscussionFor purposes of this test method, theterm strike face refers
22、 to the surface of the test item intendedto face the incoming threat.4. Test Items4.1 In this test method, a test item is a fully assembledproduct.4.2 Inspect all test items for defects, including wrinkles,blisters, cracks or fabric tears, fraying, crazing, or chipped orsharp corners and edges. Docu
23、ment all defects in the testreport.4.3 Inspect all test items for variations in size, appearance,materials, and manner of construction compared to othersubmitted test items. Document all observed variances in thetest report.4.4 Examination of Test Item SubcomponentsThis sectionprovides guidelines fo
24、r identifying regions of identical con-struction and regions of unique construction.4.4.1 Ballistic LayupEvaluate the shield to identify re-gions of identical construction. Regions are considered identi-cal if they have identical layups of ballistic materials throughthe thickness of the shield. Each
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