ASTM_D_3996_-_14.pdf

Designation:D399614Standard Performance Specification forKnit Swimwear Fabrics1This standard is issued under the fixed designation D3996;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 circular and warpknitted fabrics for use in knit swimwear,composed of anytextile fiber or mixture of textile fibers.1.2 These requirements apply to both the length and widthdirections for those properties where fabric direction is perti-nent.1.3 The following precautionary statement pertains only tothe test methods portion,Section 7,of this 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 limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD2905 Practice for Statements on Number of Specimens forTextiles(Withdrawn 2008)3D3786 Test Method for Bursting Strength of TextileFabricsDiaphragm Bursting Strength Tester MethodD3787 Test Method for Bursting Strength of TextilesConstant-Rate-of-Traverse(CRT)Ball Burst TestD7022 Terminology Relating to Apparel32.2 AATCC Methods:48 Colorfastness to Crocking:Crockmeter Method15 Colorfastness to Perspiration16.3 Colorfastness to Light23 Colorfastness to Burnt Gas Fumes61 Colorfastness to Laundering:Accelerated106 Colorfastness to Water:Sea107 Colorfastness to Water116 Colorfastness to Crocking:Rotary Vertical CrockmeterMethod129 Colorfastness to Ozone in the Atmosphere Under HighHumidities135 Dimensional Changes of Fabrics After Home Launder-ingEvaluation Procedure No.1 Gray Scale for Color ChangeEvaluation Procedure No.2 Gray Scale for StainingEvaluation Procedure No.8 AATCC 9-Step ChromaticTransference Scale162 Colorfastness to Water Chlorinated Pool172 Colorfastness to Powdered Non-Chlorine Bleach inHome Laundering188 Colorfastness to Sodium Hypochlorite Bleach in HomeLaundering2.3 Federal Standard:516 CFR 1610 Standard for Flammability of Clothing Tex-tilesNOTE1Reference 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 all terminology related to D13.61,Apparel,seeTerminology D7022.3.1.1 The following terms are relevant to this standard:swimwear.3.2 For definitions of all other textile terms,see Terminol-ogy D123.3.3 For terms relating to chemical or colorfastness testing,refer to specific AATCC methods.4.Specification Requirements4.1 The properties of fabrics for knitted swimwear shallconform to the specification requirements in Table 1.1This performance specification is under the jurisdiction of ASTM CommitteeD13 on Textiles and is the direct responsibility of Subcommittee D13.61 onApparel.Current edition approved March 15,2014.Published April 2014.Originallyapproved in 1981.Last previous edition approved in 2013 as D3996 13.DOI:10.1520/D3996-14.2For 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(AATCC),P.O.Box 12215,Research Triangle Park,NC 27709,http:/www.aatcc.org.5Available from Superintendent of Documents,Government Printing Office,Washington,DC 20407.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Significance and Use5.1 Upon mutual agreement between the purchaser and theseller,fabrics intended for this end use should meet all of therequirements listed in Table 1 of this specification.5.2 It is recognized that for purposes of fashion or aestheticsthe ultimate consumer of articles made from these fabrics mayfind acceptable fabrics that do not conform to all of therequirements in Table 1.Therefore,one or more of therequirements listed in Table 1 may be modified by mutualagreement between the purchaser and the seller.5.2.1 In such cases,any references to the specification shallspecify that:“This fabric meets ASTM Specification D3996except for the following characteristic(s).”5.3 Where no prepurchase agreement has been reachedbetween the purchaser and the seller,and in case ofcontroversy,the requirements listed in Table 1 are intended tobe used as a guide only.As noted in 5.2,ultimate consumerdemands dictate varying performance parameters for anyparticular style of fabric.5.4 The significan