ASTM D6613-08(2019)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D6613 − 08 (Reapproved 2019)
Standard Practice for
Determining the Presence of Sizing in Nylon or Polyester
Fabric
This standard is issued under the fixed designation D6613; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2 For all terminology relating to D13.20, Inflatable
Restraints, refer to Terminology D6799.
1.1 Using a color scale of 1 to 5, this practice describes the
3.2.1 The following terms are relevant to this standard:
proceduresfordeterminingthepresenceandrelativeamountof
extractable matter, sizing.
sizing in fabrics made of undyed nylon or non-cationically
dyeable polyester yarns prepared with a cationically dyeable 3.3 For all other terms related to textiles, see Terminology
sizing D123.
1.2 Procedures and apparatus other than those stated in this
4. Summary of Practice
standard may be used by agreement of purchaser and supplier
4.1 Test specimens of undyed nylon or polyester fabric are
withthespecificdeviationsfromthestandardacknowledgedin
cationically dyed at room temperature. The resulting depth of
the report.
color of the dyed fabric is indicative of the presence and
1.3 This standard does not purport to address all of the
relative amount of cationically dyebable sizing in the fabric.
safety concerns, if any, associated with its use. It is the
4.2 The color of the dyed fabric is matched to a color on an
responsibility of the user of this standard to establish appro-
AATCC chromatic scale to determine the level of sizing in the
priate safety, health, and environmental practices and deter-
fabric.
mine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accor-
5. Significance and Use
dance with internationally recognized principles on standard-
5.1 The depth of color achieved in dyeing fabric according
ization established in the Decision on Principles for the
to this practice is relative to the amount of sizing in the fabric.
Development of International Standards, Guides and Recom-
This practice employs a chromatic staining scale from 1 to 5
mendations issued by the World Trade Organization Technical
whichisinverselyproportionaltotherelativeamountofsizing
Barriers to Trade (TBT) Committee.
in the fabric. A light color stain indicates a low concentration
2. Referenced Documents
of sizing and warrants a high numerical rating, while a dark
color stain indicates a high concentration of sizing and war-
2.1 ASTM Standards:
rants a low numerical rating.
D123Terminology Relating to Textiles
D6799Terminology Relating to Inflatable Restraints
5.2 Theaccuracyofthispracticedependsupontheabilityof
2.2 American Association of Textile Chemists and Colorists
the testing personnel to match the color of the stain to the
(AATCC):
colors in the AATCC 9 Step ChromaticTransference Scale.
AATCC AATCC Evaluation Procedure # 8
6. Apparatus
3. Terminology
6.1 Stainless Steel or Glass Beaker with a capacity of 1000
3.1 Definitions:
ml.
6.2 Glacial Acetic Acid.
ThispracticeisunderthejurisdictionofASTMCommitteeD13onTextilesand
is the direct responsibility of Subcommittee D13.20 on Inflatable Restraints. 6.3 AATCC 9 Step Chromatic Transference Scale .
Current edition approved Jan. 1, 2019. Published January 2019. Originally
6.4 Ventilated Forced Air Drying Ovencapableofmaintain-
approved in 2000. Last previous edition approved in 2013 as D6613–08 (2013).
DOI: 10.1520/D6613-08R19. ing 350° 6 5°F (177 6 3°C).
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.5 100 % concentration of Sevron 4G or equivalent Basic
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Red 14 Dyestuff.
the ASTM website.
3 6.6 Fine Mesh SieveFine mesh sieve with a count of per
Available fromAATCC P.O. Box 12215, Research Triangle Park, N.C. 27709.
inch 100 × 100.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D6613 − 08 (2019)
7. Conditioning 10. Report
10.1 State that the test was conducted in accordance with
7.1 Neither preconditioning nor conditioning is necessary.
TestMethodD6613fordeterminingtheresidualsizecontentof
8. Sampling
inflatable restraint fabrics.
8.1 Determining residual size is a destructive test and
10.2 If deviation from Practice D6613 occurred, any refer-
therefore necessitates sampling procedures if used in conjunc-
ence to this standard shall state: “Testing was performed in
tion with lot acceptance of commercial shipments.
accordance with ASTM Practice D6613, with the following
changes.”
8.2 Lot Sample
8.2.1 For acceptance testing, the lot size is the quantity of
10.3 The purchaser and supplier shall determine the exact
fabric
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