ASTM D3820-95a

Standard Performance Specification for Men's and Boys' Woven Underwear Fabrics

SCOPE
1.1 This performance specification covers men's and boys' woven underwear fabrics composed of any textile fiber or mixture of textile fibers.  
1.2 These requirements apply to the length and width directions for those properties where fabric direction is pertinent.
1.3 The following safety hazards caveat pertains only to the test method described in this 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: 09-Jan-2002
• ICS: 61.020 - Clothes
• Technical Committee: D13 - Textiles
• Drafting Committee: D13.61 - Apparel

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 3820 – 95a
Standard Performance Specification for
Men’s and Boys’ Woven Underwear Fabrics
This standard is issued under the fixed designation D 3820; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 61 Colorfastness to Washing, Domestic, and Laundering,
Commercial: Accelerated
1.1 This performance specification covers men’s and boys’
96 Dimensional Changes in Laundering of Woven and
woven underwear fabrics composed of any textile fiber or
Knitted Textiles Except Wool
mixture of textile fibers.
116 Colorfastness to Crocking: Rotary Vertical Crockmeter
1.2 These requirements apply to the length and width
Method
directions for those properties where fabric direction is perti-
124 Appearance of Durable Press Fabrics After Repeated
nent.
Home Launderings
1.3 The following safety hazards caveat pertains only to the
135 Dimensional Changes in Automatic Home Laundering
test method described in this specification: This standard does
of Durable Press Woven or Knit Fabrics
not purport to address all of the safety concerns, if any,
Evaluation Procedure 1 Gray Scale for Color Change
associated with its use. It is the responsibility of the user of this
Evaluation Procedure 2 Gray Scale for Staining
standard to establish appropriate safety and health practices
Evaluation Procedure 3 AATCC Chromatic Transference
and determine the applicability of regulatory limitations prior
Scale
to use.
2.3 Federal Standard:
2. Referenced Documents 16 CFR 1610 Standard for Flammability of Clothing Tex-
tiles
2.1 ASTM Standards:
16 CFR, Chapter II—Consumer Product Safety Commis-
D 123 Terminology Relating to Textiles
sion, Subchapter D—Flammable Fabrics Act Regulations
D 434 Test Method for Resistance to Slippage of Yarns in
2.4 Military Standard:
Woven Fabrics Using a Standard Seam
MIL-STD-105D Sampling Procedures and Tables for In-
D 1424 Test Method for Tear Resistance of Woven Fabrics
spection by Attributes
by Falling-Pendulum (Elmendorf) Apparatus
D 2261 Test Method for Tearing Strength of Woven Fabrics
NOTE 1—Reference to test methods in this standard give only the
by the Tongue (Single Rip) Method (ConstantRate-of-
permanent part of the designation of ASTM, AATCC, or other test
Extension Tensile Testing Machine) methods. The current editions of each test method cited shall prevail.
D 2262 Test Method for Tearing Strength of Woven Fabrics
3. Terminology
by the Tongue (Single Rip) Method (Constant-Rate-of-
3.1 Definition:
Traverse Tensile Testing Machine)
3.1.1 underwear, n—clothing worn next to the skin under
D 2905 Practice for Statements on Number of Specimens
outer clothes.
for Textiles
3.2 For definitions of textile terms used in this specification,
D 5034 Test Method for Breaking Force and Elongation of
refer to the individual ASTM and AATCC Test Methods and to
Textile Fabrics (Grab Test)
Terminology D 123.
2.2 AATCC Test Methods:
3.3 Definitions found in a dictionary of common terms are
8 Colorfastness to Crocking: AATCC Crockmeter Method
suitable for terms used in this specification.
15 Colorfastness to Perspiration
16 Colorfastness to Light
4. Specification Requirements
23 Colorfastness to Burnt Gas Fumes
4.1 The properties of fabrics for men’s and boys’ woven
underwear shall conform to the specification requirements in
This specification is under the jurisdiction of ASTM Committee D-13 on
Table 1.
Textiles and is the direct responsibility of Subcommittee D13.56 on Performance
Standards for Textile Fabrics.
Current edition approved Dec. 10, 1995. Published March 1996. Originally
published as D 3820 – 79. Last previous edition D 3820 – 95.
2 5
Annual Book of ASTM Standards, Vol 07.01. Available from Superintendent of Documents, U.S. Government Printing
Annual Book of ASTM Standards, Vol 07.02. Office, Washington, DC 20402.
4 6
Available from American Association of Textile Chemists and Colorists, P.O. Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Box 12215, Research Triangle Park, NC 27709. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
D 3820
TABLE 1 Specification Requirements
and at least 375 mm (15 in.) along the selvage.
6.4 Test Specimens—Take the number of specimens di-
NOTE 1—Class in colorfastness and DP requirement is based on a
rected in each of the applicable test methods. Perform the tests
numerical scale of 5 for negligible or no color change, color transfer, or
fabric wrinkle to 1 for severe color change, color transfer, or fabric on the fabric as it will reach the customer. Any “partially
wrinkle.
finished” or “post-finish” fabrics should be processed in
Characteristic Requirements Section accordance with the fabric manufacturer’s instructions.
6.5 If the applicable test method does not specify the
Breaking strength (load) (CRT) 111 N (25 lbf), min 7.1
Yarn slippage, ⁄4-in. (6-mm) separation 67 N (15 lbf), min 7.2
number of specimens, use the procedures in Practice D 2905 to
Tear strength 6.7 N (1.5 lbf), min 7.3
determine the number of specimens per laboratory sampling
Dimensional change after five launderings 3% , max in each 7.4.1
unit. Use (1) a reliable estimate of the variability of individual
direction
Colorfastness:
observations on similar materials in the user’s laboratory, (2)a
Burnt gas fumes—2 cycles: 7.5.1
95 % probability level, and (3) an allowable difference of 5 %
A
Shade change, original fabric Class 4 min
A
of the average between the test results on laboratory sampling
Shade change after one laundering Class 4 min
or one drycleaning
units and the average for the laboratory sampling unit. The
Laundering: 7.5.2
average for a laboratory sampling unit is the average that
A
Shade change Class 4 min
B
Staining Class 3 min would be obtained by applying the test method to all of the
Crocking: 7.5.3
potential specimens from that laboratory sampling unit.
C
Dry Class 4 min
C
Wet Class 3 min
7. Test Method (See Note 1)
Perspiration: 7.5.4
A 7.1 Breaking Force—Determine the dry breaking force, in
Shade change Class 4 min
B
Staining Class 3 min
the standard atmosphere for testing textiles, as directed in Test
A
Light (20 AATCC FU) (xenon-arc) Step 4 min 7.5.5
Method D 5034, using a constant rat
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