ASTM D2817-05(2009)

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D2817–91(Reapproved 1995) Designation: D 2817 – 05 (Reapproved 2009)
Standard Specification for
Maximum Cashmere Coarse-Hair Content in Cashmere
This standard is issued under the fixed designation D 2817; 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 specification covers the allowable cashmere coarse-hair content in cashmere which has been processed at least to the
roving stage.
1.2 Forblendsofcashmerehairandotherfibers,thisspecificationisapplicableonlytothecashmerehaircontentofsuchblends.
NOTE 1—For the determination of the cashmere coarse-hair content in cashmere, refer to Test Method D 2816. For the identification of textile fibers
see Methods D 276. For the quantitative determination of the composition of textile blends, see Test Methods D 629.
1.3 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.
2. Referenced Documents
2.1 ASTM Standards:
D 123 Terminology Relating to Textiles
D 276 Test Methods for Identification of Fibers in Textiles
D 629 Test Methods for Quantitative Analysis of Textiles
D2130Test Method for Diameter of Wool and OtherAnimal Fibers by Microprojection Test Methods for QuantitativeAnalysis
of Textiles
D 2816 Test Method for Cashmere Coarse-Hair Content in Cashmere Test Method for Cashmere Coarse-Hair Content in
Cashmere
D 4845 Terminology Relating to Wool
3. Terminology
3.1Definitions:
3.1.1cashmere, n—in roving, yarn, or fabrics, cashmere hair or products made therewith having a cashmere coarse-hair content
not exceeding a specified maximum percentage by length.
3.1.2cashmere coarse-hair, n—those coarse fibers in cashmere hair having widths greater than 30 µm.
3.1.2.1Discussion—For the purpose of Specification D2817, the width shall be determined as directed in Test Method D2130
3.1 For all terminology relating to D13.13, Wool and Wool Felt, refer to Terminology D 4845.
3.1.3cashmere coarse-hair content, n—the total length of the cashmere coarse-hair fibers that are present, expressed as a
percentage of the total length of all the cashmere hair fibers; that is, the percentage by length of cashmere coarse-hair in cashmere
hair.
3.1.4cashmere down, n—those fibers in cashmere hair having widths of 30 µm or less.
3.1.5cashmere hair, n—the fibers produced by a form of goat (Capra hircus) indigenous to Asia and known as the cashmere
goat.
3.1.5.1Discussion—Characteristically, cashmere hair consists of fine down (undercoat) fibers and coarse (outercoat) fibers.
3.1.6For definitions of other textile terms used in this specification, refer to Terminology D123
3.1.1 The following terms are relevant to this specification: cashmere, coarse hair, cashmere coarse hair content, cashmere
down, cashmere hair.
This specification is under the jurisdiction ofASTM Committee D-13D13 onTextiles,Texti
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