ASTM D3823-01

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D3823–01
Standard Practice for
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Determining Ticket Numbers for Sewing Threads
This standard is issued under the fixed designation D 3823; 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 3.1.3 ticket number, n—in sewing thread, the designator
assigned to a sewing thread to designate its approximate linear
1.1 This practice establishes standard ticket numbers for
density.
sewing thread regardless of fiber content or type of thread.
3.1.3.1 Discussion—Theticketnumberisanindicatorofthe
1.2 The values stated in inch-pound units are to be regarded
approximate amount of fiber present. The smaller the number,
as the standard; the values in English units are provided as
the finer the thread (lesser amount of fiber); and the larger the
information only and are not exact equivalents.
number, the coarser the thread (greater amount of fiber). This
1.3 This standard does not purport to address all of the
designator represents a size variation which will range from
safety concerns, if any, associated with its use. It is the
three numbers apart up to 50 numbers apart. The narrow range
responsibility of the user of this standard to establish appro-
is important so that there is not a wide disparity in the linear
priate safety and health practices and determine the applica-
density of the sizes indicated by a single designator. The wide
bility of regulatory limitations prior to use.
range of numbers designate heaviest (coarser) yarns where
2. Referenced Documents
difference in yield is less of a critical factor relative to linear
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density.
2.1 ASTM Standards:
3.1.4 For definitions of other textile terms used in this
D 123 Terminology Relating to Textiles
practice, refer to Terminology D 123. For other definitions of
D 204 Test Methods for Sewing Threads
terms relating to thread, refer to Methods D 204.
D 861 Practice for Use of the Tex System to Designate
Linear Density of Fibers, Yarn Intermediates, and Yarns
4. Significance and Use
D 1907 Test Method for Linear Density of Yarn (Yarn
4.1 This system of sewing thread ticket numbers was
Number) by the Skein Method
developed to overcome the confusion arising from the use by
2.2 ANSI Standard:
the thread industry of a multiple number of undefined and
ANSI/ASQC Z1.4 Sampling Procedures for Inspection by
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unrelated ticketing systems.
Attributes
4.2 The practice is used by sewing thread manufacturers to
3. Terminology
determine the ticket number to be assigned to a sewing thread.
The ticket number is an indicator of the amount of raw fiber in
3.1 Definitions:
the thread. It is based on greige thread rather than finished
3.1.1 greige thread, n—undyed or unfinished sewing thread
thread because finishing processes such as bleaching, dyeing,
in the state following final plying or an equivalent step in a
stretching, mercerizing, or sewing finish application signifi-
processing sequence such as extruding or braiding.
cantlychangetheapparentthreadsizesothatitmaybecomean
3.1.2 sewing thread, n—a flexible small diameter yarn or
inadequate indicator of raw fiber present. Because of the
strand, usually treated with a surface coating, lubricant, or
foregoing it is not practical to verify the ticket number by
both, intended to be used to stitch one or more pieces of
sizing the finished thread.
material or an object to a material.
5. Sampling
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ThispracticeisunderthejurisdictionofASTMCommitteeD13onTextilesand
5.1 Lot—Unless otherwise agreed upon between the pur-
is the direct responsibility of Subcommittee D13.58 onYarnTest Methods, General.
chaser and supplier, a lot shall be a discrete manufacturing unit
Current edition approved Sept. 10, 2001. Published December 2001. Originally
produced in a given period of time not to exceed a calendar
published as D 3823 – 78. Last previous edition D 3823 – 94.
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month.
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
5.2 Lot Sample—Select the number of specimens as di-
Standards volume information, refer to the standard’s Document Summary page on
rected in ANSI/ASQC Z1.4 using single sampling with a
the ASTM website.
3 general inspection level of S1 and a 1.0 AQL.
Available fromAmerican National Standards Institute, 11 W. 42nd Street, 13th
Floor, New York, NY 10036.
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D3823–01
TABLE 1 Thread Ticket Number
5.3 Laboratory Sample—As a laboratory sample for accep-
A
tance testi
...