ASTM_D_7021_-_14.pdf

Designation:D702114Standard Performance Specification forBathrobe,Dressing Gown,Negligee,Nightgown,andPajama Fabrics1This standard is issued under the fixed designation D7021;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 fabrics used inbathrobes,dressing gowns,negligee,nightgown,and pajamas.1.2 These requirements apply to the length and widthdirections for those properties where each fabric direction ispertinent.1.3 The following safety hazards caveat pertains only to thetest methods described in this performance specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices,and determine the applicability of regulatory limi-tations prior to use.2.Referenced Documents(See Note 1)2.1 ASTM Standards:2D123 Terminology Relating to TextilesD434 Test Method for Resistance to Slippage of Yarns inWoven Fabrics Using a Standard Seam(Withdrawn2003)3D1336 Test Method for Distortion of Yarn in Woven FabricsD1424 Test Method for Tearing Strength of Fabrics byFalling-Pendulum(Elmendorf-Type)ApparatusD2261 Test Method for Tearing Strength of Fabrics by theTongue(Single Rip)Procedure(Constant-Rate-of-Extension Tensile Testing Machine)D3786 Test Method for Bursting Strength of TextileFabricsDiaphragm Bursting Strength Tester MethodD3787 Test Method for Bursting Strength of TextilesConstant-Rate-of-Traverse(CRT)Ball Burst TestD5034 Test Method for Breaking Strength and Elongation ofTextile Fabrics(Grab Test)D7022 Terminology Relating to Apparel2.2 AATCC Test Methods:48 Colorfastness to Crocking:AATCC Crockmeter Method15 Colorfastness to Perspiration16 Colorfastness to Light23 Colorfastness to Burnt Gas Fumes61 Colorfastness to Laundering,Home and Commercial:Accelerated116 Colorfastness to Crocking:Rotary Vertical CrockmeterMethod124 Smoothness Appearance of Fabrics after RepeatedHome Launderings132 Colorfastness to Drycleaning135 Dimensional Changes of Fabrics after Home Launder-ing158 Dimensional Changes on Drycleaning in Perchloroeth-ylene:Machine Method172 Colorfastness to Non-Chlorine Bleach in Home Laun-dering188 Colorfastness to Sodium Hypochlorite Bleach in HomeLaundering2.3 Federal Standards:516 CFR 1610 Standard for Flammability of Clothing Tex-tiles16 CFR 1615 Standard for the Flammability of ChildrensSleepwear:Sizes 0 Through 6X16 CFR 1616 Standard for the Flammability of ChildrensSleepwear:Sizes 7 through 14NOTE1Reference to test methods in this specification give only thepermanent part of the designation of ASTM,AATCC,or other testmethods.The current editions of each test method cited shall prevail.3.Terminology3.1 For definitions of textile terms used in this specificationrefer to Terminologies D123 and D7022.For terms relating tochemical and colorfastness testing refer to specificAATCC testmethods.1This specification is under the jurisdiction of ASTM Committee D13 onTextiles and is the direct responsibility of Subcommittee D13.61 on Apparel.Current edition approved Feb.1,2014.Published March 2014.Originallyapproved in 2005.Last previous edition approved in 2012 as D7021-05(2012).DOI:10.1520/D7021-14.2For 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 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,P.O.Box 12215,Research Triangle Park,NC 27709.5Available from Superintendent of Documents,Government Printing Office,Washington,DC 20402.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2 Definitions found in a dictionary of common usage aresuitable for this specification.4.Significance and Use4.1 Fabrics intended for this end-use should meet all of therequirements listed in Table 1.4.2 It should be recognized that fabric can be producedutilizing an almost infinite number of combination of construc-tion variables(e.g.,type of fibers,percentage of fibers,yarntwist,yarn number,warp and pick count,chemical andmechanical finishes).Additionally,fashion or aesthetics dictatethat the ultimate consumer may find acceptable articles madefrom fabrics that do not conform to all of the requirements inTable 1.4.2.1 Hence,no single performance specification can possi-bly apply to all the various fabrics that could be utilized for thisend-use.4.3 The uses and significance of particular properties andtest methods are discussed in the appropriate