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ASTM_F_511_-_17.pdf
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TM_F_511_ _17
Designation:F51117Standard Test Method forQuality of Cut(Joint Tightness)of Resilient Floor Tile1This standard is issued under the fixed designation F511;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers a means of measuring andevaluating the quality of cut(joint tightness)of square orrectangular resilient floor tile.Characteristics that detract froma monolithic(seamless)appearance,such as burred,chipped,nicked,or beveled edges,or bow cut or rounded corners,aremeasured or observed,or both.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport 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 and health practices and determine the applica-bility of regulatory limitations prior to use.1.4 This international standard was developed 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 Documents2.1 ASTM Standards:F141 Terminology Relating to Resilient Floor Coverings2.2 ANSI Standard:2ANSI/ASQC Z1.4,(most recent version)Sampling Proce-dures and Tables for Inspection by Attributes3.Significance and Use3.1 Installations of resilient floor tile require tight joints ifsatisfactory appearance is to result.The quality of cut ofresilient tile is determined by this test method.4.Apparatus4.1 Shadow Box,consisting of a backlighted poly(methylmethacrylate)(PMMA)plate measuring 28 by 28 by38in.(710 by 710 by 9.5 mm).One metal strip,28 in.long by34in.(19 mm)wide by18in.(3.2 mm)thick,and one metal strip,2714in.(692 mm)long by34in.wide by18in.thick,arepermanently attached to the PMMA plate to form an included90 6 10-sec angle at the lower left-hand corner of the PMMAplate.This is suitable for tiles up to 12 by 12 in.(305 by 305mm).For larger tiles,longer metal strips will have to be used,such that the length of each strip is greater than twice thelongest dimension of the tiles to be measured.4.2 Optical Comparator3Power illuminated magnifier,equipped to measure to the nearest 0.001 in.(0.02 mm).4.3 Feeler GagesAs an alternative to the optical compara-tor described in 4.2,a set of feeler gages with a range from0.0015 to 0.035 in.(0.038 to 0.89 mm)for measuring to thenearest 0.001 in.(0.02 mm)may be used.4.4 Wire Gages,sized in increments of 0.005 in.(0.13 mm)from 0.005 to 0.050 in.(0.13 to 1.3 mm).5.Sampling5.1 Sample in accordance with ANSI/ASQC Z1.4,mostrecent version.6.Test Specimen and Sample6.1 The specimen(test unit)shall consist of four nominallysquare or rectangular tiles taken from a sample secured inaccordance with ANSI/ASQC Z1.4,most recent version.6.2 The required number of specimens for each test shall beindicated in the individual material specification.If no numberis given,four units(the specimen)shall be taken from thesampled material and one determination made on each.7.Conditioning7.1 Condition the test tiles in an atmosphere maintained at73.4 6 3.6F(23 6 1C)and 50 6 10%relative humidity fornot less than 2 h prior to testing.1This test method is under the jurisdiction ofASTM Committee F06 on ResilientFloor Coverings and is the direct responsibility of Subcommittee F06.20 on TestMethods-Products Construction/Materials.Current edition approved May 1,2017.Published May 2017.Originallyapproved in 1977.Last previous edition approved in 2011 as F511 11.DOI:10.1520/F0511-17.2Available from the American National Standards Institute,25 W.43rd St.,4thFloor,New York,NY 10036.3The sole source of supply of the apparatus known to the committee at this timeis Titan Tool Supply Co.,Inc.,68 CometAve.,Buffalo,N.Y.14216.If you are awareof alternative suppliers,please provide this information to ASTM Headquarters.Your comments will receive careful consideration at a meeting of the responsibletechnical committee,which you may attend.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,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 Organization Technical Barriers to Trade(TBT)Committee.1 7.2 Conduct tests in an atmosphere maintained at73.4 6 3.6F(23 6 1C)and 50 6 10%relative hu

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