ASTM D4847-02
(Specification)Standard Specification for Woven Awning and Canopy Fabrics
Standard Specification for Woven Awning and Canopy Fabrics
ABSTRACT
This specification covers woven awning and canopy fabrics composed of any textile fiber or mixture of fibers. These requirements apply to the length and width for those properties where fabric direction is pertinent. The properties of the woven awning and canopy fabrics shall conform to the following specification requirements: breaking strength which shall be determined using a constant rate of extension tensile testing; resistance to yarn slippage; tear strength; dimensional change after cleanings; colorfastness due to burnt gas fumes, laundering and dry cleaning, wet and dry crocking, light, and ozone; water resistance and water repellency as shall be determined by rain and spray tests, respectively; fabric smoothness; and flammability.
SCOPE
1.1 This performance specification covers woven awning and canopy fabrics composed of any textile fiber or mixture of 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 methods 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.
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Designation: D 4847 – 02
Standard Performance Specification for
1
Woven Awning and Canopy Fabrics
This standard is issued under the fixed designation D 4847; 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 23 Colorfastness to Burnt Gas Fumes
35 Water Resistance: Rain Test
1.1 This performance specification covers woven awning
116 Colorfastness to Crocking: Rotary Vertical Crockmeter
and canopy fabrics composed of any textile fiber or mixture of
Method
fibers.
129 Colorfastness to Ozone in theAtmosphere under High
1.2 These requirements apply to the length and width
Humidities
directions for those properties where fabric direction is perti-
138 Shampooing: Washing of Textile Floor Coverings
nent.
Evaluation Procedure 1 Gray Scale for Color Change
1.3 The following safety hazards caveat pertains only to the
Evaluation Procedure 2 Gray Scale for Staining
test methods described in this specification: This standard does
Evaluation Procedure 9 Step Chromatic Transference Scale
not purport to address all of the safety concerns, if any,
associated with its use. It is the responsibility of the user of this
NOTE 1—References to test methods in this standard give only the
standard to establish appropriate safety and health practices
permanent part of the designation of ASTM, AATCC, or other test
methods. The current editions of each test method shall prevail.
and determine the applicability of regulatory limitations prior
to use.
3. Terminology
2. Referenced Documents
3.1 Definitions:
3.1.1 For definitions of textile terms used in this specifica-
2.1 ASTM Standards:
2
tion, refer to the individual ASTM and AATCC test methods,
D 123 Terminology Relating to Textiles
and to Terminology D 123.
D 434 Test Method for Resistance to Slippage of Yarns in
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Woven Fabrics Using a Standard Seam
4. Specification Requirements
D 1424 Test Method for Tearing Strength of Fabrics by
2
4.1 The properties of woven awning and canopy fabrics
Falling-Pendulum Type (Elmendorf)
shall conform to the specification requirements listed in Table
D 2261 Test Method for Tearing Strength of Woven Fabrics
1.
by the Tongue (Single-Rip) Method (Constant-Rate-of-
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Extension Tensile Testing Machine)
5. Significance and Use
D 2905 Practice for Statements on Number of Specimens
2
5.1 Fabrics intended for this end-use should meet all of the
for Textiles
requirements listed in Table 1.
D 5034 Test Method for Breaking Strength and Elongation
3
5.2 It should be recognized that fabrics can be produced
of Textile Fabrics (Grab Test)
4
with an almost infinite number of combinations of construction
2.2 AATCC Test Methods:
variables(forexample,typeoffibers,percentageoffibers,yarn
8 Colorfastness to Crocking: AATCC Crockmeter Method
twist, yarn number, warp and pick count, chemical and
16 Colorfastness to Light
mechanicalfinished.)Additionally,fashionoraestheticsdictate
22 Water Repellency: Spray Test
that the ultimate consumer may find acceptable articles made
from fabrics that do not conform to all of the requirements in
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This specification is under the jurisdiction of ASTM Committee D13 on
Table 1.
Textiles and is the direct responsibility of Subcommittee D13.63 on Home
5.2.1 Hence, no single performance specification can possi-
Furnishings.
blyapplytoallthevariousfabricsthatcouldbeutilizedforthis
Current edition approved April 10, 2002. Published July 2002. Originally
published as D 4847 – 88. Last previous edition D 4847 – 95a(2001).
end-use.
2
Annual Book of ASTM Standards, Vol 07.01.
5.3 The uses and significance of particular properties and
3
Annual Book of ASTM Standards, Vol 07.02.
4 test methods are discussed in the appropriate sections of the
Available from the American Association of Textile Chemists and Colorists,
P.O. Box 12215, Research Triangle Park, NC 27709. specified test methods.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D 4847
TABLE 1 Specification Requirements
6.2 Resistance to Yarn Slippage—Determine the resistance
to yarn slippage as directed in Test Method D 434.
NOTE 1—Class in a, b, and SA. rating is based on a numerical scale of
5 for no color change, color transfer, or wrinkle, to 1 for severe color
NOTE 2—The precision ofTest Method D 434 has not been established,
change, color transfer, or wrinkle.
anditmaynotbesuitableforfabricswithlowyarncountsintermsofends
Characteristic Requirements Section and picks.
Breaking Strength (Load) 660 N (150 lbf), min 6.1
6.3 Tear Strength—Determine the tear strength as d
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