1、Designation:D661308(Reapproved 2013)Standard Practice forDetermining the Presence of Sizing in Nylon or PolyesterFabric1This standard is issued under the fixed designation D6613;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the yea
2、r 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 Using a color scale of 1 to 5,this practice describes theprocedures for determining the presence and relative amount o
3、fsizing in fabrics made of undyed nylon or non-cationicallydyeable polyester yarns prepared with a cationically dyeablesizing1.2 Procedures and apparatus other than those stated in thisstandard may be used by agreement of purchaser and supplierwith the specific deviations from the standard acknowled
4、ged inthe report.1.3 This practice may involve hazardous materials,operations,and equipment.This practice does not purport toaddress all of the safety concerns,if any,associated with itsuse.It is the responsibility of the user of this practice toestablish appropriate safety and health practices and
5、deter-mine the applicability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD6799 Terminology Relating to Inflatable Restraints2.2 American Association of Textile Chemists and Colorists(AATCC):AATCC AATCC Evaluation Procedure#833
6、.Terminology3.1 Definitions:3.2 For all terminology relating to D13.20,InflatableRestraints,refer to Terminology D6799.3.2.1 The following terms are relevant to this standard:extractable matter,sizing.3.3 For all other terms related to textiles,see TerminologyD123.4.Summary of Practice4.1 Test speci
7、mens of undyed nylon or polyester fabric arecationically dyed at room temperature.The resulting depth ofcolor of the dyed fabric is indicative of the presence andrelative amount of cationically dyebable sizing in the fabric.4.2 The color of the dyed fabric is matched to a color on anAATCC chromatic
8、scale to determine the level of sizing in thefabric.5.Significance and Use5.1 The depth of color achieved in dyeing fabric accordingto this practice is relative to the amount of sizing in the fabric.This practice employs a chromatic staining scale from 1 to 5which is inversely proportional to the re
9、lative amount of sizingin the fabric.A light color stain indicates a low concentrationof sizing and warrants a high numerical rating,while a darkcolor stain indicates a high concentration of sizing and war-rants a low numerical rating.5.2 The accuracy of this practice depends upon the ability ofthe
10、testing personnel to match the color of the stain to thecolors in the AATCC 9 Step ChromaticTransference Scale.6.Apparatus6.1 Stainless Steel or Glass Beaker with a capacity of 1000ml.6.2 Glacial Acetic Acid.6.3 AATCC 9 Step Chromatic Transference Scale3.6.4 Ventilated Forced Air Drying Oven capable
11、 of maintain-ing 350 6 5F(177 6 3C).6.5 100%concentration of Sevron 4G or equivalent BasicRed 14 Dyestuff.6.6 Fine Mesh SieveFine mesh sieve with a count of perinch 100 100.7.Conditioning7.1 Neither preconditioning nor conditioning is necessary.1This practice is under the jurisdiction ofASTM Committ
12、ee D13 on Textiles andis the direct responsibility of Subcommittee D13.20 on Inflatable Restraints.Current edition approved July 1,2013.Published September 2013.Originallyapproved in 2000.Last previous edition approved in 2008 as D661308.DOI:10.1520/D6613-08R13.2For referenced ASTM standards,visit t
13、he 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.3Available from AATCC P.O.Box 12215,Research Triangle Park,N.C.27709.Copyright ASTM International,100 Ba
14、rr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 8.Sampling8.1 Determining residual size is a destructive test andtherefore necessitates sampling procedures if used in conjunc-tion with lot acceptance of commercial shipments.8.2 Lot Sample8.2.1 For acceptance testing,the lo
15、t size is the quantity offabric finished in one production day or as agreed betweenpurchaser and supplier.8.2.2 Unless otherwise agreed by purchaser and supplier,take as a lot sample all of the rolls in a commercial shipment.Consider the rolls to be the primary sampling units.8.3 Laboratory Sample8.
16、3.1 An entire roll of fabric or a full-width cut end from theend of a roll within a lot sample constitutes a laboratorysample.8.4 Test Specimens8.4.1 Test specimens are the pieces of fabric that actuallyundergo testing.Select specimens from the end of each roll offabric in the laboratory sample,as indicated in the materialspecification or equivalent.8.4.2 Unless otherwise agreed upon or specified take two 5 5 in.(12 12 cm)specimens from the fabric roll to be tested.9.Procedure9.1 Prepare Acid Ri
