ASTM D1336-07(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: D1336 − 07 (Reapproved 2019)
Standard Test Method for
Distortion of Yarn in Woven Fabrics
This standard is issued under the fixed designation D1336; 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 D4850Terminology Relating to Fabrics and Fabric Test
Methods
1.1 This test method covers the measurement of yarn
distortion of one set of yarns over the other in woven cloth 2.2 Federal Standard:
following the application of surface friction. This test method Federal Test Method Standard191–Method 5410Slippage
especiallyisapplicabletoopen-weavefabrics,suchasnettings, Resistance of Yarns in Cloth, Yarn Distortion Method
marquisettes, gauzes, chiffons, and heavier fabrics made from
slippery surface yarns. 3. Terminology
3.1 For all terminology relating to D13.59, Fabric Test
NOTE1—Forthedeterminationofyarnslippageinwovenfabrics,refer
to Test Method D434.
Methods, General, refer to Terminology D4850.
3.1.1 Thefollowingtermsarerelevanttothisstandard:yarn
1.2 The values stated in SI units are to be regarded as the
distortion.
standard. The inch-pound units given in parentheses are
provided for information only.
3.2 For all other terminology related to textiles, refer to
Terminology D123.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Summary of Test Method
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
4.1 A specimen is subjected to a specified shearing force
mine the applicability of regulatory limitations prior to use.
acting in the plane of the fabric.The degree to which the force
1.4 This international standard was developed in accor-
causes yarns to shift distorting the original symmetry of the
dance with internationally recognized principles on standard-
weave is taken as a measure of ease of yarn distortion in the
ization established in the Decision on Principles for the
fabric. The degree of distortion is reported in terms of the
Development of International Standards, Guides and Recom-
widest opening, measured in hundredths of an inch.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5. Significance and Use
5.1 This test method is considered satisfactory for accep-
2. Referenced Documents
tance testing of commercial shipments because current esti-
2.1 ASTM Standards:
mates of between-laboratory precision are acceptable and the
D123Terminology Relating to Textiles
method has been used extensively in the trade for acceptance
D434Test Method for Resistance to Slippage of Yarns in
testing.
Woven Fabrics Using a Standard Seam (Withdrawn
3 5.2 In cases of dispute, the statistical bias, if any, between
2003)
the laboratory of the purchaser and the laboratory of the seller
D1776Practice for Conditioning and Testing Textiles
should be determined, with each comparison being based on
testing randomized specimens from one sample of fabric.
5.3 This test method is used as an indication of the propen-
ThistestmethodisunderthejurisdictionofASTMCommitteeD13onTextiles
and is the direct responsibility of Subcommittee D13.59 on Fabric Test Methods, sity of yarns to shift or distort in a fabric. Such distortions are
General.
objectionable due to the resulting changes in appearance.
CurrenteditionapprovedJuly1,2019.PublishedJuly2019.Originallyapproved
Theseappearancechangesaresometimesreferredtoas“finger
in 1954. Last previous edition approved in 2015 as D1337–07(2015). DOI:
marks” or “shift marks.”
10.1520/D1336-07R19.
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. Available from General ServicesAdministrations, Specification and Consumer
The last approved version of this historical standard is referenced on Information and Distribution Section (WFSIS), Washington, Navy Yard, Building
www.astm.org. 197, Washington, DC 20407.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D1336 − 07 (2019)
because of established trade usage.The word weight is used to mean both
5.4 Itisrecommendedthatfabricsbetestedintheiroriginal
“force” and “mass,” and care must be taken to determine which is meant
condition and also after laundering or drycleaning, or both,
in each case (SI unit for force=newton and for mass=kilogram).
depending upon the intended use of the material.
6.1.2 Mounting Frame or Bracket, designed to hold the
6. Apparatus
specimen under uniform tension. The frame shall consist of a
rectangle whose inside dimensions are 102 by 153 mm (4 by 6
6.1 Fabric Shift Tester , as shown in Fig. 1, including:
in.). The 153-mm (4-in.) sides shall be rectangular screw
6.1.1 Cylindrical Rubber Friction Drums, consisting of a
clamps 10 mm (0.375 in.) wide, with the gripping surfaces
pairofrubberdrumsmountedoneabovetheotheronthetester
suitably grooved, taped, or otherwise designed or modified to
in such a way that the specimen may be inserted between their
minimize slipping of the specimen in the clamps during the
two circular contacting surfaces. Each drum shall be 19 mm
test. The frame, when placed in the test position on the rails,
(0.75 in.) in diameter and have a Shore Durometer hardness of
shall be free to slide as a carriage in a plane perpendicular to
55 to 60 (A scale). The lower drum shall be 51 mm (2 in.) in
the plane of the areas of the friction drums.
length,fastenedtotheplatformoftheapparatus.Facilitiesshall
be provided for rotation of the drums in the mounting frame
6.1.3 Hand-Crank Arrangement, for 25 mm (1 in.) recipro-
betweentests.Theupperdrumshallbe25mm(1in.)inlength,
cating motion of the carriage. This device, or reciprocating
have the same provisions for rotation as the lower one, and
arm, shall have a cam attachment that lifts the upper drum in
shallbesomountedthatatotalforceof4.5to18N(1to4lbf)
the return motion.
canbeexerteduponthespecimenbymeansofaleverarmand
6.1.4 Rails,twosets,fixedandspacedontheplatformofthe
movable weight.
tester, for supporting the carriage.
NOTE 2—The term “weight” is used temporarily in this test method
6.2 Jig, for mounting the specimen in the frame under
tension of 22.2 6 0.22 N (5 6 0.05 lbf). A suitable device
consists of a clamp and weight (Fig. 1) having a total mass of
TheUnitedStatesTestingCompany,Inc.,1415ParkAve.,Hoboken,NJ07030.
2.3 kg (5 lb).
The apparatus is described in Federal Test Method Standard191-Method5410.
FIG. 1 Fabric Shift Tester
D1336 − 07 (2019)
6.3 Steel Scale, graduated in a 0.2 mm (0.01 in.). 10. Procedure
6.4 Dividers. 10.1 Verifyandestablishtheweightlocationonthemoment
arm of the tester using a calibrated spring scale, or equivalent,
6.5 Magnifying Device, 5× power.
and adjust the weight position as needed to provide the
required force.
7. Sampling, Selection and Number of Specimens
NOTE4—Someinstrumentsmaynotprovidethedesignatedforceatthe
7.1 Takealotsampleandalaboratorysampleasdirectedin
manufacturer’s marked location.
the applicable material specification or as agreed upon by the
10.2 Test the specimens in the standard atmosphere for
purchaser and the supplier. In the absence of such a specifica-
testing textiles.
tionoragreement,takeonerepresentativesamplefromeachlot
of rolls, pieces, or consumer items.
10.3 Place the specimen vertically in the frame with the
warp or filling yarns parallel to the sides of the frame. Clamp
NOTE 3—A realistic specification or other agreement between the
purchaser and the supplier requires taking into account the variability
one 102-mm (4-in.) end of the specimen to one end of the
between primary sampling units and within primary sampling units so as
frame. Apply the 2.3-kg (5-lb) weight across the opposite
to provide a sampling plan, which has a meaningful producer’s risk,
102-mm (4-in.) width of the specimen and fasten the second
consumer’s risk, acceptable quality level, and limiting quality level.Alot
clamp securely. Remove the weight and clamp.
sample normally consists of a very small fraction of the total primary
sampling units.
10.4 Raisetheupperfrictiondrumonitsweightedleverand
7.2 Takefivespecimensfromeachlaboratorysamplingunit place the frame between the drums, positioning it at the
extreme end of its travel on the rails.
(roll,piece,orconsumeritem)withthelongdimensionparallel
totheyarnsthathave
...