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ASTM_F_1849_-_18.pdf

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1、Designation:F184918An American National StandardStandard Specification forHelmets Used in Short Track Speed Ice Skating(Not toInclude Hockey)1This standard is issued under the fixed designation F1849;the number immediately following the designation indicates the year oforiginal adoption or,in the ca

2、se of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers performance requirements forhelmets used by short track speed ice skat

3、ers(excludinghockey).This specification recognizes the desirability of light-weight construction and ventilation;however,it is a perfor-mance standard and is not intended to restrict design.1.2 All testing and requirements of this specification shallbe in accordance with Test Methods F1446,except wh

4、ere notedherein.1.3 Partial utilization of this specification is prohibited.Anystatement of compliance with this specification must be acertification that the headgear meets all of the requirements ofthe specification in their entirety.A headgear that fails to meetany one of the requirements of this

5、 specification is consideredto have failed the specification,and shall not be sold with anyindication that it meets parts of the specification.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 This standard does not purport

6、 to address all of thesafety concerns,if any,associated with its use.It is theresponsibility 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.1.6 This international standard was de

7、veloped in accor-dance with internationally recognized principles on standard-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 Docum

8、ents2.1 ASTM Standards:2F1446 Test Methods for Equipment and Procedures Used inEvaluating the Performance Characteristics of ProtectiveHeadgear3.Labels and Warnings3.1 Labels and warnings shall meet the requirements of TestMethods F1446.3.2 Labels and warnings shall have the words“For shorttrack spe

9、ed ice skating(excluding hockey)”inscribed on one ofthe interior permanent labels.3.3 Headgear designed to comply with this and otherstandards may proclaim uses as certified by the manufacturer.4.Marking the Test Line4.1 The test line is shown in Fig.1 and shall be marked inaccordance with Test Meth

10、ods F1446.5.Conditioning and Number of Samples5.1 Conditioning shall be in accordance with Test MethodsF1446.5.2 The test requires a minimum of four samples of eachshell/liner combination.6.Retention System Testing6.1 Retention system tests shall be performed before impacttesting.6.2 The ambient hel

11、met shall be subjected to the positionalstability(roll-off)test in accordance with Test Methods F1446using a 4-kg drop mass from a height of 0.6 m.6.3 The retention system shall remain intact,and the helmetmust remain on the headform.1This specification is under the jurisdiction of ASTM Committee F0

12、8 on SportsEquipment,Playing Surfaces,and Facilitiesand is the direct responsibility ofSubcommittee F08.53 on Headgear and Helmets.Current edition approved March 1,2018.Published March 2018.Originallyapproved in 1998.Last previous edition approved in 2012 as F1849 07(2012).DOI:10.1520/F1849-18.2For

13、referenced 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Con

14、shohocken,PA 19428-2959.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 Orga

15、nization Technical Barriers to Trade(TBT)Committee.1 6.4 The hot,cold,and wet helmets shall be subjected to thedynamic strength retention test in accordance with Test Meth-ods F1446 using a 4-kg drop mass from a height of 0.6 m.6.5 The retention system shall remain intact without elon-gating more th

16、an 30 mm.7.Impact Sites and Projections7.1 Impact sites are described in Test Methods F1446.7.2 ProjectionsAny unfaired projection extending morethan 7 mm from the helmets outer surface shall break away orcollapse when impacted with forces equivalent to those pro-duced by applicable impact-attenuation tests described inSection 9.There shall be no fixture on the helmets innersurface projecting more than 2 mm into the helmet interiorexcept occipital stabilizers and foam fit pads.8.Impacting Schedu

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