ASTM_D_4721_-_12.pdf

Designation:D472112Standard Practice forEvaluation of the Performance of Machine Washable andDrycleanable Bedcoverings and Accessories1This standard is issued under the fixed designation D4721;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 practice may be used to evaluate specific charac-teristics of importance in the performance of bedcoverings andaccessories(machine washable or drycleanable,woven andknit)including bedspreads,comforters,quilts,pillowshams,dust ruffles,and blankets,hereinafter referred to collectively asbedcoverings.1.2 This practice is not to be used to evaluate bedcoveringsthat are refurbished by handwashing.1.3 This practice shall not be construed to be a standard ofperformance for bedcoverings.1.4 This practice shall not be used to evaluate sheets.1.5 This practice may be used by mutual agreement be-tween purchaser and supplier to set purchasing specifications.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD1683 Test Method for Failure in Sewn Seams of WovenApparel FabricsD1776 Practice for Conditioning and Testing TextilesD3136 Terminology Relating to Care Labeling for Apparel,Textile,Home Furnishing,and Leather ProductsD3773 Test Methods for Length of Woven FabricD3940 Test Method for Bursting Strength(Load)and Elon-gation of Sewn Seams of Knit or Woven Stretch TextileFabrics(Withdrawn 1995)3D3993 Performance Specification for Woven,Thermal,Flocked,Nonwoven,and Knitted Household BlanketFabrics(Withdrawn 1994)3D4037 Performance Specification for Woven,Knitted,orFlocked Bedspread FabricsD7023 Terminology Relating to Home Furnishings2.2 AATCC Methods:4AATCC Evaluation Procedure 1AATCC 88B Smoothness of Seams in Fabrics after Re-peated Home LaunderingAATCC 96 Dimensional Changes in Commercial Launder-ing of Woven and Knitted Fabrics Except WoolAATCC 135 Dimensional Changes of Fabrics after HomeLaunderingAATCC 143 Appearance of Apparel and Other Textile EndProducts After Repeated Home LaunderingsAATCC 158 Dimensional Changes on Drycleaning in Per-chloroethylene:Machine Method3.Terminology3.1 For all terminology related to Home Furnishings seeTerminology D7023.3.2 The following terms are relevant to this standard:bedcovering,bedspread,blanket,comforter,drop,dust ruffle,flounce,quilt,sham.3.3 For definitions of all other textile terms see Terminolo-gies D123 and D3136.4.Significance and Use4.1 This practice may be used to evaluate pertinent perfor-mance characteristics of machine washable or drycleanablebedcoverings.4.2 The characteristics to be evaluated and the acceptancecriteria assigned to these areas shall be set by mutual agree-ment between purchaser and supplier.1This practice is under the jurisdiction ofASTM Committee D13 on Textiles andis the direct responsibility of Subcommittee D13.63 on Home Furnishings.Current edition approved Feb.1,2012.Published March 2012.Originallyapproved in 1987.Last previous edition approved in 2000 as D4721-89(2000)which was withdrawn October 2009 and reinstated in February 2012.DOI:10.1520/D4721-12.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.3 The significance and use of specific properties arediscussed in the appropriate test methods and performancestandards.5.Sampling,Selection,and Number of Specimens5.1 Division into LotsFor acceptance testing,divide theproduct into lots as agreed upon by the purchaser and thesupplier.5.2 Lot SampleAs a lot sample for acceptance testing,takeat random the number of shipping cartons directed in anapplicable material specification or other agreement betweenthe purchaser and the supplier.Consider shipping cartons ofbedcoverings or accessories to be the primary sampling units.NOTE1A realistic specification or other agreement between thepurchaser and the supplier requires taking into account the variabilitybetween shipping cartons,between items within a carton,and betweenspecimens within an item so as to provide a sampling plan which has ameaningful producers risk,