ASTM_D_4847_-_02_2008.pdf

Designation:D484702(Reapproved 2008)Standard Performance Specification forWoven Awning and Canopy Fabrics1This standard is issued under the fixed designation D4847;the number immediately following the designation indicates the year oforiginal adoption or,in the case 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 performance specification covers woven awningand canopy fabrics composed of any textile fiber or mixture offibers.1.2 These requirements apply to the length and widthdirections for those properties where fabric direction is perti-nent.1.3 The following safety hazards caveat pertains only to thetest methods described in this specification:This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD434 Test Method for Resistance to Slippage of Yarns inWoven Fabrics Using a Standard Seam(Withdrawn2003)3D1424 Test Method for Tearing Strength of Fabrics byFalling-Pendulum(Elmendorf-Type)ApparatusD5034 Test Method for Breaking Strength and Elongation ofTextile Fabrics(Grab Test)2.2 AATCC Test Methods:48 Colorfastness to Crocking:AATCC Crockmeter Method16 Colorfastness to Light22 Water Repellency:Spray Test23 Colorfastness to Burnt Gas Fumes35 Water Resistance:Rain Test116 Colorfastness to Crocking:Rotary Vertical CrockmeterMethod129 Colorfastness to Ozone in the Atmosphere under HighHumidities138 Shampooing:Washing of Textile Floor CoveringsEvaluation Procedure 1 Gray Scale for Color ChangeEvaluation Procedure 2 Gray Scale for StainingEvaluation Procedure 9 Step Chromatic Transference ScaleNOTE1References to test methods in this standard give only thepermanent part of the designation of ASTM,AATCC,or other testmethods.The current editions of each test method shall prevail.3.Terminology3.1 Definitions:3.1.1 For definitions of textile terms used in thisspecification,refer to the individual ASTM and AATCC testmethods,and to Terminology D123.4.Specification Requirements4.1 The properties of woven awning and canopy fabricsshall conform to the specification requirements listed in Table1.5.Significance and Use5.1 Fabrics intended for this end-use should meet all of therequirements listed in Table 1.5.2 It should be recognized that fabrics can be producedwith an almost infinite number of combinations of constructionvariables(for example,type of fibers,percentage of fibers,yarntwist,yarn number,warp and pick count,chemical andmechanical finished.)Additionally,fashion or aesthetics dictatethat the ultimate consumer may find acceptable articles madefrom fabrics that do not conform to all of the requirements inTable 1.5.2.1 Hence,no single performance specification can possi-bly apply to all the various fabrics that could be utilized for thisend-use.5.3 The uses and significance of particular properties andtest methods are discussed in the appropriate sections of thespecified test methods.5.4 The significance and use of particular properties and testmethods are discussed in the appropriate sections of thespecified test methods.1This performance specification is under the jurisdiction of ASTM CommitteeD13 on Textiles and is the direct responsibility of Subcommittee D13.63 on HomeFurnishings.Current edition approved Aug.1,2008.Published October 2008.Originallyapproved in 1988.Last previous edition approved in 2002 as D4847 02.DOI:10.1520/D4847-02R08.2For 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 Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American Association of Textile Chemists and Colorists(AATCC),P.O.Box 12215,Research Triangle Park,NC 27709,http:/www.aatcc.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.Test Methods(see Note 1)6.1 Breaking ForceDetermine the dry breaking force,inthe standard atmosphere for testing textiles,as directed in TestMethod D5034,using a constant rate of extension(CRE)tensile testing6.2 Resistance to Yarn SlippageDetermine the resistanceto yarn slippage as directed in Test Method D434.NOTE2The precision of Test Method D434 has not been established,and it may not be suitable for fabrics with low yarn counts in terms of endsand picks.6.3 Tear StrengthDetermine the tear strength as directedin Test Method D1424.6.4 Dimensional ChangeDetermine the maximum dimen-sional change after five cleanings,as directed in AATCC TestMethod 138.6.5 Colorfastne