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ASTM_F_2713_-_14.pdf

1、Designation:F271314An American National StandardStandard Specification forEye Protectors for Field Hockey1This standard is issued under the fixed designation F2713;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revi

2、sion.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 eye protectors with a plano(that is,non-prescription)lens or without a lens,designed foruse by players of

3、field hockey,that minimize or significantlyreduce injury to the eye and adnexa due to impact by andpenetration of field hockey balls and field hockey sticks.Contact with the eye of the headform constitutes failure.Protective eyewear offers protection only to the eyes and doesnot protect other parts

4、of the head.1.2 Testing is done in a laboratory setting.Eye contact isdetermined by observation.1.3 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.Metric units of measurement in this specification are inaccordance with the Inte

5、rnational System of Units(SI).If avalue for measurement as given in this specification is followedby an equivalent value in other units,the first stated is to beregarded as the requirement.A given equivalent value may beapproximate.1.4 The following precautionary caveat pertains only to thetest meth

6、ods portion(Sections 8,9,and 10)of this specifica-tion:This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of regula

7、torylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1003 Test Method for Haze and Luminous Transmittanceof Transparent PlasticsF1887 Test Method for Measuring the Coefficient of Resti-tution(COR)of Baseballs and SoftballsF1888 Test Method for Compression-Displacement of Base-ball

8、s and Softballs2.2 ANSI Standards:3ANSI Z80.3 Requirements for Nonprescription Sunglassesand Fashion EyewearANSI Z87.1 Practice for Occupational and Educational Eyeand Face Protectors2.3 Federal Standard:National Institute of Standards and Technology SpecialTechnical Publication 374 Method for Deter

9、mining theResolving Power of Photographic Lenses43.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 binocular,adjrelating to the field of view which isshared by both eyes simultaneously;also any simultaneousactivity of the two eyes.3.1.2 central viewing zone,nthat part of the eye

10、of aprotector,which has its center in line with the wearers normalline of sight.3.1.2.1 DiscussionThe zone is circular in shape,and 40mm in diameter.The center of the central viewing zone shall bethe point of intersection of the line of sight with the lens asmounted on the CSA headform.53.1.3 cleana

11、ble,nability of a protective device to be madereadily free of dirt or grime without being damaged during anappropriate cleaning process,such as the use of soap and water.3.1.4 coeffcient of restitution,nfractional value represent-ing the ratio of velocities before and after an impact.3.1.5 compressi

12、on-deflection,nforce required to compressa ball a given distance.3.1.6 coverage,ncharacteristic of a protective device thatobstructs straight line paths that are coincident with thewearers eyes.3.1.7 definition(optical),ncharacteristic of a lens thatallows separate distinct points in close proximity

13、 to be dis-cerned when looking through the lens.1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.57 on Eye Safety for Sports.Current edition approved Sept.1,2014.Published Septem

14、ber 2014.Originallyapproved in 2009.Last previous edition approved in 2013 as F2713 13.DOI:10.1520/F2713-14.2For 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

15、 Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from National Institute of Standards and Technology(NIST),100Bureau Dr.,Stop 1070,Gaithersburg,MD 20899-1070,http:/www.nist.go

16、v.5Available from Canadian Standards Association(CSA),5060 Spectrum Way,Mississauga,ON L4W 5N6,Canada,http:/www.csa.ca.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.8 eye,nrelating to the eye of a test headform or theeye of a person wearing a protector or that part of an eyeprotective device through which a wearers eye would nor-mally look.3.1.9 eye of the headform,nall structures contained withinthe orbital rim of the CSA headf

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