ASTM D2118-05(2009)

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of the standard as published by ASTM is to be considered the official document.
Designation:D2118–96 (Reapproved 2005) Designation:D2118–05 (Reapproved 2009)
Standard Practice for
Assigning a Standard Commercial Moisture Content for
Wool and its’ Products
This standard is issued under the fixed designation D 2118; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This practice recommends that a single value be adopted for the commercial moisture content of wool in any of the
following forms:
1.1.1 Scoured,
1.1.2 Carbonized and neutralized,
1.1.3 Noils, uncarbonized,
1.1.4 Top, oil or dry combed,
1.1.5 Yarn, worsted,
1.1.6 Yarn, woolen,
1.1.7 Yarn, hand knitting, or
1.1.8 Fabric.
1.2 Limitations—Grease wool, pulled wool, and wool with pH below 5.0 are excluded from this practice.
1.3 This standard does not purport to address 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.
2. Referenced Documents
2.1 ASTM Standards:
D 123 Terminology Relating to Textiles
D 584 Test Method for Wool Content of Raw Wool—Laboratory Scale
D 1909 Standard Table of Commercial Moisture Regains for Textile Fibers
D 2720 Practice for Calculation of Commercial Weight and Yield of Scoured Wool, Top, and Noil for Various Commercial
Compositions
D 4845 Terminology Relating to Wool
3. Terminology
3.1Definitions:
3.1.1 commercial moisture content, n—in wool, the moisture calculated as a percentage of the mass of the wool, top, noils, yarn,
fabric, so forth, in the “as-is” condition; that is, containing whatever moisture, oil, grease, or other extraneous matter that may be
present.
3.1.2wool, n—the fibrous covering of the sheep, Ovis species.
3.2Definitions of Terms Specific to This Standard:
3.2.1carbonized and neutralized wool—a term descriptive of scoured wool processed to destroy cellulosic impurities by treating
with a mineral acid or an acid salt, drying and baking, crushing, and dusting out the embrittled cellulosic matter followed by
neutralization of the acidified wool.
3.2.2commercial moisture content—for the purposes of this practice, the moisture calculated as a percentage of the weight of
thewool,top,noils,yarn,fabric,etc.,inthe“as-is”condition;thatis,containingwhatevermoisture,oil,grease,orotherextraneous
matter that may be present.
3.2.2.1Discussion—Theterm“moistureregain”asdefinedinTerminologyD123,leadstocertaindifficultiesindefiningtheclean
This practice is under the jurisdiction of ASTM Committee D13 on Textiles and is the direct responsibility of Subcommittee D13.13 on Wool and Wool Felt .
Current edition approved Jan. 1, 2005. Published February 2005. Originally approved in 1961. Last previous edition approved in 1996 as D2118–96.on Wool and Felt.
Current edition approved July 1, 2009. Published August 2009. Originally approved in 1961. Last previous edition approved in 2005 as D 2118 – 05.
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volume information, refer to the standard’s Document Summary page on the ASTM website.
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