Astm D 4849 – 02b pdf free download

Standard Terminology Relating to
Yarns and Fibers1

This standard is issued under the fixed designation D 4849; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the 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

1.1 This standard is a compilation of terminology developed
by Committee D-13.58 on Yarns and Fibers.

1.1.1 This terminology, mostly definitions, is unique to
fibers and yarns used in the textile industry. Terms that are
generally understood or adequately defined in other readily
available sources are not included.

1.1.2 Subcommittee D13.58 has jurisdictional responsibility
for every item in this standard. The standards in which the
terms and definitions are used are listed by the number after the
definition. The wording of an entry cannot be changed without
the approval of the 13.58 subcommittee. Any changes approved by
the subcommittee and main committee are then directed to
subcommittee D13.92 on Terminology for subsequent changes
or additions to Terminology D123.

1.1.3 This terminology standard is not all-inclusive of the
terms under the jurisdiction of subcommittee D13.58. Other
terminology standards under the jurisdiction of the subcommittee
D13.58 are D 3888, D 4466, and D 4848.

2. Referenced Documents

2.1 ASTM Standards:
D 123 Terminology Relating to Textiles2
D 3888 Terminology Relating to Open-End Spinning3
D 4466 Terminology for Multicomponent Textile Fibers3
D 4848 Force, Deformation and Related Properties of Textiles3

3. Terminology

3.1 Alphabetical listings of terms with subcommittee 13.58
jurisdiction and attribution for each term.
American grain count, n—a direct yarn numbering system for
expressing linear density, equal to the mass in grains per 120
yards of sliver or roving. D 2260
beam, n—in textiles, a large spool containing many ends of
yarn wound parallel, and used for such purposes as weaving
or warp knitting. D 2258

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