ASTM_D_3781_-_02.pdf

Designation:D 3781 02Standard Performance Specification forMens and Boys Knitted Rainwear and All-Purpose,Water-Repellent Coat Fabrics1This standard is issued under the fixed designation D 3781;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(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This performance specification covers mens and boysknitted rainwear and all-purpose water-repellent coat fabricscomposed of any textile fiber or mixture of textile fibers.1.2 This performance specification is not applicable toknitted fabrics used for interlinings.1.3 These requirements apply to the length and widthdirections for those properties where each fabric direction ispertinent.2.Referenced Documents2.1 ASTM Standards:D 123 Terminology Relating to Textiles2D 231 Method of Testing and Tolerances for Knit Goods3D 2594 Test Methods for Stretch Properties of KnittedFabrics Having Low Power2D 2724 Test Methods for Bonded,Fused,and LaminatedApparel Fabrics2D 2905 Practice for Statements on Number of Specimensfor Textiles22.2AATCC Methods:48-1974 Colorfastness to Crocking:AATCC CrockmeterMethod15-1976 Colorfastness to Perspiration16-1974 Colorfastness to Light22-1974 Water Repellency:Spray Test23-1975 Colorfastness to Burnt Gas Fumes35-1974 Water Resistance:Rain Test61-1975 Colorfastness to Washing,Domestic,and Launder-ing,Commercial:Accelerated96-1975 Dimensional Changes in Laundering of Woven andKnitted Textiles Except Wool116-1974 Colorfastness to Crocking:Rotary Vertical Crock-meter Method124-1975 Appearance of Durable Press Fabrics After Re-peated Home Launderings132-1976 Colorfastness to Drycleaning135-1973 Dimensional Changes in Automatic Home Laun-dering of Durable Press Woven or Knit Fabrics172 Colorfastness to Non-Chlorine Bleach in Home Laun-dering188 Colorfastness to Sodium Chypochlorite Bleach inHome LaunderingEvaluation Procedure 1 Gray Scale for Color ChangeEvaluation Procedure 2 Gray Scale for StainingEvaluation Procedure 3 AATCC Chromatic TransferenceScaleNOTE1Reference to test methods in this specification gives only thepermanent part of the designation of ASTM,AATCC,or other testmethods.The current editions of each test method cited shall prevail.Thespecific dated editions of the ASTM test methods that prevail in thisdocument are referenced in Section 7.3.Terminology3.1 Definition:3.1.1 dimensional change,n in pressing and finishing oftextiles,the change in dimensions of a fabric caused bypressing and finishing during garment manufacture.3.1.2 For definitions of other textile terms used in thisspecification,refer to the individual ASTM and AATCC testmethods and to Terminology D 123.3.2 Definitions of Terms Specific to This Standard:3.2.1 pressing and finishingThis term takes into accountall of the industrial pressing and finishing treatments used ingarment production.NOTE2No standard method is available for reproducing on a labo-ratory level the results of industrial press or finishing treatments,or both,used in the manufacture of woven outerwear garments.54.Specification Requirements4.1 The properties of fabrics for mens and boys knittedrainwear and all-purpose,water-repellent coats shall conformto the specification requirements in Table 1.1This specification is under the jurisdiction of ASTM Committee D13 onTextiles and is the direct responsibility of Subcommittee D13.61 on Apparel.Current edition May 10,2002.Published June 2002.Originally published asD 3781 79.Last previous edition D 3781 95.2Annual Book of ASTM Standards,Vol 07.01.3Discontinued,see 1979 Annual Book of ASTM Standards,Part 32.4Available from the American Association of Textile Chemists and Colorists,P.O.Box 12215,Research Triangle Park,NC 27709.5The development of a standard method has been referred to SubcommitteeD13.59 on Fabric Test Methods,General.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.5.Significance and Use5.1 Knitted fabrics should meet all of the requirements inTable 1 to be suitable for use in the manufacture of rainwearand all-purpose,water-repellent coats for men and boys.5.2 It is recognized that for purposes of fashion or aestheticsthe ultimate consumer of articles made from these fabrics mayfind acceptable some fabrics that do not conform to all of therequirements in Table 1.For example,the fabric could be dyedin shades that do not meet the requirement in Table 1 forcolorfastness to light,yet be acceptable to the ultimate con-sumer because the shade is fashionable.In such cases,one ormore of the requirements may be modified by mutual agree-ment between the purchaser and the seller.5.2.1 If any of the requirements in Table 1 are modified bymutual agreement between the purchaser and the seller,anyreference to the specification shall specify that“this