ASTM D6321/D6321M-13
(Practice)Standard Practice for the Evaluation of Machine Washable T-Shirts
Standard Practice for the Evaluation of Machine Washable T-Shirts
SIGNIFICANCE AND USE
4.1 This practice may be used to evaluate pertinent characteristics of washable T-shirts.
4.2 T-shirts may be subject to extra processes such as garment dyeing, garment washing, printing, application of embroidery or trims. An individual process or combination or processes may affect the performance of the final product.
4.3 This practice may be used by mutual agreement between the purchaser and the supplier to establish purchasing specifications.
SCOPE
1.1 This practice covers test methods and procedures used to evaluate important characteristics of machine washable T-shirts. T-shirts may be made of knitted fabric composed of any textile fiber(s) or blend of fibers and intended to be used as underwear or as an outer garment.
1.2 T-shirts' characteristics may be assessed either as a final product or at any intermediate processing stage.
1.3 This practice excludes T-shirts intended for hand washing or dry cleaning care.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standards to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: D6321/D6321M − 13
StandardPractice for
1
the Evaluation of Machine Washable T-Shirts
This standard is issued under the fixed designation D6321/D6321M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
3
1. Scope Fabrics (Withdrawn 1995)
D4154 Performance Specification for Men’s and Boys’Knit-
1.1 This practice covers test methods and procedures used
ted and Woven Beachwear and Sports Shirt Fabrics
to evaluate important characteristics of machine washable
D4156 Performance Specification for Women’s and Girls’
T-shirts. T-shirts may be made of knitted fabric composed of
Knitted Sportswear Fabrics
any textile fiber(s) or blend of fibers and intended to be used as
D7022 Terminology Relating to Apparel
underwear or as an outer garment.
4
2.2 AATCC Test Methods:
1.2 T-shirts’ characteristics may be assessed either as a final
Evaluation Procedure 1, Gray Scale for Color Change
product or at any intermediate processing stage.
Evaluation Procedure 2, Gray Scale for Staining
1.3 This practice excludes T-shirts intended for hand wash-
Evaluation Procedure 7, Instrumental Assessment of the
ing or dry cleaning care.
Change in Color of a Textile Specimen
Method 107, Colorfastness to Water
1.4 The values stated in either SI units or inch-pound units
Method 150, Dimensional Changes of Garments after Home
are to be regarded separately as standard. The values stated in
Laundering
each system may not be exact equivalents; therefore, each
Method 172, Colorfastness to Powered Non-Chlorine
system shall be used independently of the other. Combining
Bleach in Home Laundering
values from the two systems may result in non-conformance
Method 179, Skewness Change in Fabric and GarmentTwist
with the standard.
Resulting from Automatic Home Laundering
1.5 This standard does not purport to address all of the
2.3 Other Documents:
safety concerns, if any, associated with its use. It is the
4
A Glossary of AATCC Standard Terminology
responsibility of the user of this standards to establish appro-
4
Standardization of Home Laundry Test Conditions
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
3. Terminology
2. Referenced Documents
3.1 For all terminology relating to D13.61 refer to Termi-
2
nology D7022.
2.1 ASTM Standards:
3.1.1 The following terms are relevant to this standard:
D123 Terminology Relating to Textiles
T-shirt.
D1776 Practice for Conditioning and Testing Textiles
3.1.2 For definitions of other textile terms used in this
D3786 Test Method for Bursting Strength of Textile
standard, refer to terminology in Terminology D123 and
Fabrics—Diaphragm Bursting Strength Tester Method
Glossary of AATCC Standard Terminology.
D3787 Test Method for Bursting Strength of Textiles—
Constant-Rate-of-Traverse (CRT) Ball Burst Test
4. Significance and Use
D3887 Specification for Tolerances for Knitted Fabrics
D3940 Test Method for Bursting Strength (Load) and Elon-
4.1 This practice may be used to evaluate pertinent charac-
gation of Sewn Seams of Knit or Woven Stretch Textile
teristics of washable T-shirts.
4.2 T-shirts may be subject to extra processes such as
garment dyeing, garment washing, printing, application of
1
This practice is under the jurisdiction of ASTM Committee D13 on Textiles,
embroidery or trims. An individual process or combination or
and is the direct responsibility of Subcommittee D13.61 on Apparel.
processes may affect the performance of the final product.
Current edition approved March 1, 2013. Published April 2013. Originally
approved in 1998. Last previous edition approved in 2004 as D6321 – 98(2004).
DOI: 10.1520/D6321_D6321M-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM The last approved version of this historical standard is referenced on
Standards volume information, refer to the standard’s Document Summary page on www.astm.org.
4
the ASTM website. Available from AATCC, PO Box 12215, Research Triangle Park, NC 27709.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D6321/D6321M − 13
4.3 Thispracticemaybeusedbymutualagreementbetween
the purchaser and the supplier to establish purchasing specifi-
cations.
5. Sampling, Selection, and Number of Specimens
5.1 Lot Sample—Take a lot sample as directed in an
applicable material specification or as agreed between pur-
chaser and supplier, such as an agreement to take at random
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6321 − 98 (Reapproved 2004) D6321/D6321M − 13
Standard Practice for
1
the Evaluation of Machine Washable T-Shirts
This standard is issued under the fixed designation D6321;D6321/D6321M; the number immediately following the designation indicates
the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This practice covers test methods and procedures used to evaluate important characteristics of machine washable T-shirts.
T-shirts may be made of knitted fabric composed of any textile fiber(s) or blend of fibers and intended to be used as underwear
or as an outer garment.
1.2 T-shirts’ characteristics may be assessed either as a final product or at any intermediate processing stage.
1.3 This practice excludes T-shirts intended for hand washing or dry cleaning care.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. The values given in
parentheses are provided for information only.stated in each system may not be exact equivalents; therefore, each system shall be
used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standards to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles
D3786 Test Method for Bursting Strength of Textile Fabrics—Diaphragm Bursting Strength Tester Method
D3787 Test Method for Bursting Strength of Textiles—Constant-Rate-of-Traverse (CRT) Ball Burst Test
D3887 Specification for Tolerances for Knitted Fabrics
D3940 Test Method for Bursting Strength (Load) and Elongation of Sewn Seams of Knit or Woven Stretch Textile Fabrics
3
(Withdrawn 1995)
D4154 Performance Specification for Men’s and Boys’ Knitted and Woven Beachwear and Sports Shirt Fabrics
D4156 Performance Specification for Women’s and Girls’ Knitted Sportswear Fabrics
D7022 Terminology Relating to Apparel
4
2.2 AATCC Test Methods:
Evaluation Procedure 1, Gray Scale for Color Change
Evaluation Procedure 2, Gray Scale for Staining
Evaluation Procedure 7, Instrumental Assessment of the Change in Color of a Textile Specimen
Method 107, Colorfastness to Water
Method 150, Dimensional Changes in Automatic of Garments after Home Laundering of Garments
Method 172, Colorfastness to Powered Non-Chlorine Bleach in Home Laundering
Method 179, Skewness Change in Fabric and Garment Twist in Fabrics and Garments After Resulting from Automatic Home
Laundering
2.3 Other Documents:
4
A Glossary of AATCC Standard Terminology
4
Standardization of Home Laundry TextTest Conditions
1
This practice is under the jurisdiction of ASTM Committee D13 on Textiles, and is the direct responsibility of Subcommittee D13.61 on Apparel.
Current edition approved Oct. 1, 2004March 1, 2013. Published November 2004April 2013. Originally approved in 1998. Last previous edition approved in 19982004
as D6321 – 98.D6321 – 98(2004). DOI: 10.1520/D6321-98R04.10.1520/D6321_D6321M-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 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 the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
4
Available from AATCC, PO Box 12215, Research Triangle Park, NC 27709.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D6321/D6321M − 13
3. Terminology
3.1 Definitions:
3.1.1 T-shirt, n—a knitted garment, typically constructed of jersey or 1 by 1 rib fabric, used as either an undergarment or as an
outer casual top with a rib collar, hemmed sleeves and bottom, and a body configuration that resembles the letter “T”.
3.1.1.1 Discussion—
T-shirts may have either crew or v-neck styles; short or long sleeve lengths, and be adorned with appliques, embroidery, or garment
printing or combinations of adornments. Henley and polo-styles shirts are exc
...
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