Standard Performance Specification for Bathrobe, Dressing Gown, Negligee, Nightgown, and Pajama Fabrics

ABSTRACT
This performance specification covers fabrics used in bathrobes, dressing gowns, negligee, nightgown, and pajamas. The breaking strength, tearing strength, yarn distortion, yarn slippage resistance, bursting strength, bleaching, burnt gas fumes, crocking, perspiration, light, fabric appearance, and flammability shall be tested to meet the requirements prescribed.
SCOPE
1.1 This performance specification covers fabrics used in bathrobes, dressing gowns, negligee, nightgown, and pajamas.
1.2 These requirements apply to the length and width directions for those properties where each fabric direction is pertinent.
1.3 The following safety hazards caveat pertains only to the test methods described in this performance specification: 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 standard to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Jun-2005
Technical Committee
Drafting Committee
Current Stage
Ref Project

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ASTM D7021-05 - Standard Performance Specification for Bathrobe, Dressing Gown, Negligee, Nightgown, and Pajama Fabrics
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D7021 – 05
Standard Performance Specification for
Bathrobe, Dressing Gown, Negligee, Nightgown, and
Pajama Fabrics
This standard is issued under the fixed designation D7021; 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 2.2 AATCC Test Methods:
8 Colorfastness to Crocking: AATCC Crockmeter Method
1.1 This performance specification covers fabrics used in
15 Colorfastness to Perspiration
bathrobes, dressing gowns, negligee, nightgown, and pajamas.
16 Colorfastness to Light
1.2 These requirements apply to the length and width
23 Colorfastness to Burnt Gas Fumes
directions for those properties where each fabric direction is
61 Colorfastness to Laundering, Home and Commercial:
pertinent.
Accelerated
1.3 The following safety hazards caveat pertains only to the
116 Colorfastness to Crocking: Rotary Vertical Crockmeter
test methods described in this performance specification: This
Method
standarddoesnotpurporttoaddressallofthesafetyconcerns,
124 Smoothness Appearance of Fabrics after Repeated
if any, associated with its use. It is the responsibility of the user
Home Launderings
of this standard to establish appropriate safety and health
132 Colorfastness to Drycleaning
practices, and determine the applicability of regulatory limi-
135 Dimensional Changes of Fabrics after Home Launder-
tations prior to use.
ing
2. Referenced Documents (See Note 1)
158 Dimensional Changes on Drycleaning in Perchloroeth-
ylene: Machine Method
2.1 ASTM Standards:
172 Colorfastness to Non-Chlorine Bleach in Home Laun-
D123 Terminology Relating to Textiles
dering
D434 Test Method for Resistance to Slippage of Yarns in
188 Colorfastness to Sodium Hypochlorite Bleach in Home
Woven Fabrics Using a Standard Seam
Laundering
D1336 TestMethodforDistortionofYarninWovenFabrics
2.3 Federal Standards:
D1424 Test Method for Tearing Strength of Fabrics by
16 CFR 1610 Standard for Flammability of Clothing Tex-
Falling-Pendulum (Elmendorf-Type) Apparatus
tiles
D2261 Test Method for Tearing Strength of Fabrics by the
16 CFR 1615 Standard for the Flammability of Children’s
Tongue (Single Rip) Procedure (Constant-Rate-of-
Sleepwear: Sizes 0 Through 6X
Extension Tensile Testing Machine)
16 CFR 1616 Standard for the Flammability of Children’s
D3786 Test Method for Bursting Strength of Textile
Sleepwear: Sizes 7 through 14
Fabrics—Diaphragm Bursting Strength Tester Method
D3787 Test Method for Bursting Strength of Textiles—
NOTE 1—Reference to test methods in this specification give only the
Constant-Rate-of-Traverse (CRT) Ball Burst Test
permanent part of the designation of ASTM, AATCC, or other test
D5034 Test Method for Breaking Strength and Elongation methods. The current editions of each test method cited shall prevail.
of Textile Fabrics (Grab Test)
3. Terminology
D7022 Terminology Relating to Apparel
3.1 For definitions of textile terms used in this specification
refer to Terminologies D123 and D7022. For terms relating to
This specification is under the jurisdiction of ASTM Committee D13 on
chemical and colorfastness testing refer to specificAATCC test
Textiles and is the direct responsibility of Subcommittee D13.61 on Apparel.
methods.
Current edition approved July 1, 2005. Published August 2005. DOI: 10.1520/
D7021-05.
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 Available from American Association of Textile Chemists and Colorists, P.O.
the ASTM website. Box 12215, Research Triangle Park, NC 27709.
3 5
Withdrawn. The last approved version of this historical standard is referenced Available from Superintendent of Documents, Government Printing Office,
on www.astm.org. Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D7021 – 05
3.2 Definitions found in a dictionary of common usage are 5. Test Methods (See Note 1)
suitable for this specification.
5.1 Breaking Strength (woven fabrics only)—Determine the
breaking force (load), as directed in the grab test procedure of
4. Significance and Use
Test Method D5034 using a constant-rate-of-extension (CRE)
4.1 Fabrics intended for this end-use should meet all of the
tensile testing machine.
requirements listed in Table 1.
4.2 It should be recognized that fabric can be produced
NOTE 2—If preferred a constant-rate-of-traverse (CRT) tensile testing
utilizing an almost infinite number of combination of construc- machine may be used. There may be no overall correlation between the
results obtained with the CRT machine and the CRE machine. Conse-
tion variables (e.g., type of fibers, percentage of fibers, yarn
quently, these two breaking force testers can not be used interchangeably.
twist, yarn number, warp and pick count, chemical and
In case of controversy, the CRE method, Test Method D5034, shall
mechanical finishes).Additionally, fashion or aesthetics dictate
prevail.
that the ultimate consumer may find acceptable articles made
from fabrics that do not conform to all of the requirements in 5.2 Tearing Strength (woven fabrics only)—Determine the
Table 1.
tearing resistance as directed in Test Method D1424.
4.2.1 Hence, no single performance specification can possi-
NOTE 3—If preferred, use of Test Method D2261 is permitted with
blyapplytoallthevariousfabricsthatcouldbeutilizedforthis
existing requirements as given in this standard. There may be no overall
end-use.
correlationbetweentheresultsobtainedwiththeElmendorfmachine(Test
4.3 The uses and significance of particular properties and
Method D1424) and with the tongue tear method (Test Method D2261).
test methods are discussed in the appropriate sections of the
Consequently, these testers cannot be used interchangeably. In case of
specified test methods. controversy, Test Method D1424 shall prevail.
TABLE 1 Specification Requirem
...

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