ASTM_D_259_-_77_scan.pdf

ASTM D259 77 0757530 0026195 b _7($b&-&ANSVASTM D 259-77 Standard Specification for WOVEN TAPES This Standard is issued under the fixeddesignation D 259;the number immediately following fhe designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.1.Scope 1.1 This specification covers woven tapes made from synthetic or natural fibers,or both.1.2 This specification covers those woven tapes having a maximum thickness up to 0.020 in.(0.50 mm)with permissible listed tolerances.NOTE-The values stated in U.S.customary units are to be regarded as the standard.2.Applicable Documents 2.1 ASTM Standards:D 76 Specification for Tensile Testing Ma-chines for Textiles”D 123 Definitions of Terms Relating to Textiles2,D 629 Quantitative Analysis of Textiles3 D 1682 Tests for Breaking Load and EIon-D 1777 Measuring Thickness of Textile D 1910 Tests for Construction Characters-gation of Textile Fabrics2 Materials2 tics of Woven Fabrics2 3.Defimitions 3.1 For definitions of textile terms used in this specification,refer to Definitions D 123.4.Tolerances 4.1 Yards Per Pound-The average length per unit weight of the tape in yards per pound shall not be less than the specified value.4.2 Wfdth-The average width of the tape shall not vary from that specified by more than the following:Permissible variations,in.Nominal width,in.(mm)(mm)Less than I(25)1 to 1%(25 to 38)Zk/32(0.80)k I64(1.20)over 1%(38)ti&/i6(1.60)4.3 Thickness:4.3.1 The average thickness of the tape shall not vary from that specified by more than the following:Permissible variations,Nominal thickness,in.(mm)in.(mm)0.011(0.30)and under f 0.0015(0.040)Over 0.011 to 0.020(0.30 to f 0.002(0.050)0.50)4.3.2 Individual thickness measurements shall not vary from the nominal thickness specified by more than the following:Permissible variations,in.(mm)5 0.002(0.050)f 0.004(0.100)Nominal thickness,in.(mm)0.011(0.30)and,under Over 0.011 to 0.020(0.30 to 0.50)4.4 Construction:4.4.1 The total number of ends shall not be 4.4.2 The picks per inch shall not vary by less than specified.more than the following:Permissible vari-f 1 pick 2 2 picks Pick count ations 48 per i in.(25 mm)and under Over 48 per 1 in.(25 mm)4.5 Breaking Strength-The average breaking strength of the tape shall not be less than the specified breaking strength.4.6 Nonfibrous Materials-The amount of nonfibrous materials shall not be more than that specified.120 3 I This specification is under the jurisdiction of ASTM Committee D-13 on Textiles,and is the direct responsib-ity of Subcommittee D13.59 OnFabricTestMethods,Gen-eral.Current edition approved Feb.25,1977.Published May 1977.Originally published as D 259-26 T.Last previous edition D 259-44(1975).Antiiial Book of ASTM Standards,Part 32.Annual Book ofASTM Sfandards,Part 33.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.ASTM D259 77 I 0759530 002b39b A E 4ilP 5.Sampling 5.1 A minimum of three rolls is to be ran-domIy drawn from each shipment of tape.The following tests are to be made on lengths cut from each roll.6.Test Methods 6.1 Yards Per Pound:6.1.1 Determine the yards per pound of tape as directed in Methods D 1910.6.1.2 For each shipment,make a minimum of three determinations on specimens,each of which has been taken from a different roll.The average of these three determinations shall be considered the average weight of the shipment involved.6.2 Width:6.2.1 Determine the width of the tape as directed in Methods D 1910.6.2.2 Make at least ten measurements of width from each roll selected and record the average and the range of width.6.3 Thickness:6.3.1 Determine the thickness of the tape as directed in Method D 1777.6.3.2 Make at least ten measurements of thickness from each roll and record the aver-age and the range of thickness.6.4 Construction:6.4.1 Ends-Determine the total number of ends for the full width of tape as directed in Methods D 1910.6.4.2 Picks-Determine the number of picks as directed in Methods D 1910.6.4.3 Nimber of Tests:6.4.3.1 Ends-Make one determination of total warp ends from each roll selected and record.6.4.3.2 Picks-Make three determinations of picks per inch from different places from each selected roll.Average all results and record.6.5 Breqking Strength:D 259 6.5.1 Determine the breaking strength of the tape on a tensile testing machine conform-ing to Specification D 76.Discard results from specimens that break in the clamps of the testing machine.6.5.2 Test the specimens in the warp direc-tion by the strip method(full width)as di-rected in Method D 1682.The initial distance between the clamps shall be 3 in.(75 mm).6.5.3 Test the specimens in the direction of the filling by the grab method as directed in Method D 1682.The initial distance between the clamps shall be I/s in.(3 mm).6.5.4 Make at least five dete