ASTM_D_3662D_-_3662M_-_88_1993e2_scan.pdf

STD.ASTM D3662/D3662M-ENGL I,988-0759530 ObLLO2L 637=Designation:D 3662/D 3662M-88(Reapproved 1993)c2 AMERICAN SOCIETY FOR TESTING AND MATERIALS 100 Barr Harbor Or.West Conshohocken.PA 19428 Repnnted from the Annual Book of ASTM Standards.Copyright ASTM Standard Test Method for Bursting Strength of Pressure-Sensitive Tapes his standard is issuad under the fixed daipation D 3662/D 3662M,the number immehtely following the designation indicates the yearoforiginaladoptionor,inthecaseofrevision,thcyearoflastrevision.Anumbcrinparrntbesesindicatcsthcyearoflart reapproval.A superscript epsilon(e)indicates an editorial&au&sin tbe la%t revision or respprovaL This stan&ud has been appmved for use by agenci of the Dqwtmeni qf D&me.%iikedon 13 was added editorially in July 1993.c*NUTE-D 3662 and D 3662M were mmbined editmiaUy in December 1997.1.Scope 1.1 This test method covers the measurement of the bursting strength of pressure-sensitive tape used in the closure of fiberboard containers.1.2 The values stated in either SI or inch-pound units are to be regarded separately as standard.The values stated in each system may not be exact equivalents;therefore,each system must be used independently,without combining values in any way.1.3 This standard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of this standard to establish apprcF priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents 2.1 ASTM Standards:D996 Terminology of Packaging and Distribution Environments2 D2529 Test Method for Bursting Strength of Paperboard and Linerboard D2904 Practice for Interlabomtory Testing of a Textile Test Method that Produces Normally Distributed Data4 D 2906 Practice for Statements on Precision and Bias for Textiles4 D 37 15/D 37 15M Practice for Quality Assurance of Pres-sure-Sensitive Tapes2 D 4332 Practice for Conditioning Containers,Packages,or Packaging Components for Testing2 E 122 Practice for Choice of Sample Size to Estimate a Measure of Quality for a Lot or Process5 3.Terminology 3.1 Terminology found in Terminology D 996 shall apply.This test method is under the jurisdiction of ASfM Committee D-10 on Packaging and is the direct responsibility of Subcommittee D10.14 on Tape and Labels.Current edition approved Aug 26,1988.Publiskd October 1988.OrigkaUy published as D 3662-78.Last previous edition D 3662-83.*Annual Book of ASTM Z&u&r&,Vol 15.09.3 Discontinued,see 1985 Annual Book of ASTM SUPI&,Vol 15.09.?Annual Book of ASTM SUnaiuds.VolO7.01.5 Annunl Book ojASTM Standar&Vol 14.02.4.significance and use 4.1 The bursting strength of pressure-sensitive tapes is an indication of the character of the backing of the product It gives a measure of the relative r&stance to rupture of the tape applied to seams and panels when under stress from inside and outside the container.5.Apparatus 5.1 Bursting Tester,consisting of the following 5.1-l Means for clamping the test specimen between two annular,plane surf=having fine concentric tool marks to minim&slippage.The upper clamping platen shall have a diameter of 95 mm 3.75 in.,a thickness of 95 mm O-375 in.,and a circular opening 3 1.50 f 0.025 mm 1.240 rt 0.00 1 in.in diameter.The lower edge of the opening(side in contact with the tape)shall have a O-064-mm 0.0025-in.radius.The lower clamping surface(diaphragm plate)shall have a thickness of 5.56 f 0.08 mm 0.219 f 0.003 in.with an opening 3 1.50 f 0.02 mm 1.240 f 0.001 in.in diameter.The upper edge of the opening(in contact with the tape)shall have a 0.4 mm 0.016-m radius,and the lower edge of the opening(in contact with the rubber diaphragm)a radins of 3.2 mm 0.125 in.to prevent cutting the rubber when pressure is applied.The upper clamping ring shall be connected to the clamping mechanism through a swivel joint to facilitate an even clamping pressure.The openings in the two clamping plates shall be concentric to within 0.13 nun O.OOS in.and their clamping faces shall be flat and parallel(see Al.1 of Test Method D 2529).5.1.2 A molded(disk-shaped)diaphragm requiring a pres-sureofnotlessthan 16OkPa23psinormorethan210kPa 30 psi to distend it to a height of 9.5 mm 0.375 in.above the diaphragm plate(see Al.2 of Test Method D 2529).5.1.3 Means of forcing liquid into the pressure chamber below the diaphragm at a steady rate of 170 f 15 mL/min(see Al.3 of Test Method D 2529).This pressure shall be generated by a motor-driven piston forcing a liquid(glycerin)into the pressure chamber of the apparatus.5.1.4 A pressure gage of the maximum reading or the lazy-hand type.The scale should have a radius of 48 mm 1.875 in.with graduations extending over a minimum arc of 270”indicating bursting pressure in pounds-force per square inch,with an accuracy of Yz%of full scale,and have su&ient capacity so that all readings can be maintained in the middle half of the scale.In its operating position,have the gage incl