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Description of ASTM-D2130 2013ASTM D2130 - 13Standard Test Method for Diameter of Wool and Other Animal Fibers by MicroprojectionActive Standard ASTM D2130 | Developed by Subcommittee: D13.13 Book of Standards Volume: 07.01 ASTM D2130Significance and Use 5.1 This test method specifies a sampling and testing procedure for the measurement of average fiber diameter and variation in diameter of animal fibers as required in Test Method D2968 . 5.2 Test Method D2130 for testing wool and other animal fibers for average fiber diameter is considered satisfactory for acceptance testing of commercial shipments since current estimates of between-laboratory precision are acceptable and the method has been used extensively in the trade for acceptance testing. In cases of disagreement arising from differences in values reported by the purchaser and the seller when using this method for acceptance testing, the statistical bias, if any, between the laboratory of the purchaser and the laboratory of the seller should be determined with each comparison being based on the testing of specimens randomly drawn from one sample of material of the type being evaluated. 1. Scope 1.1 This test method covers a procedure, using the microprojector, for the determination of the average fiber diameter and the fiber diameter variation on wool and other animal fibers, such as mohair, cashmere, alpaca, camel's hair, etc. ( Note 1 ) in their various forms. 1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.
Note 1 This test method may also be applied to any fibers having a round cross section and accordingly may be
used many times for melt-spun man-made fibers such as polyamides, polyesters, and glass; also it may be applied to a limited number of polyacrylics and regenerated cellulose type fibers.
The values given in Appendix X1 for density and correction factors, however, apply only to wool and should not be used for other fibers. For suitable
values for the density of other fibers, see Table 5 in Test Methods D629 , Quantitative Analysis of Textiles.
Note 2 In subsequent sections of this test method, the term wool also signifies mohair or other fibers if the
circumstances are applicable.
Note 3 For fineness specifications for wool, wool top, mohair, mohair top, alpaca, and cashmere, refer to
Specifications D3991 and D3992 , Specification D2252 , Test Method D2816 .
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.
ASTM Standards D123 Terminology Relating to Textiles D584 Test Method for Wool Content of Raw Wool--Laboratory Scale D629 Test Methods for Quantitative Analysis of Textiles D1060 Practice for Core Sampling of Raw Wool in Packages for Determination of Percentage of Clean Wool Fiber Present D1776 Practice for Conditioning and Testing Textiles D2252 Specification for Fineness of Types of Alpaca D2258 Practice for Sampling Yarn for Testing D2816 Test Method for Cashmere Coarse-Hair Content in Cashmere D2968 Test Method for Med and Kemp Fibers in Wool and Other Animal Fibers by Microprojection D3992 Specifications for Fineness of Wool Top or Mohair Top and Assignment of Grade Other Standards IWTO-8-66(E) Method of Determining Wool Fiber Diameter by the Projection Microscope International Wool Textile Organization, International Wool Secretariat, Raw Wool Services, Valley Drive, Ilkley, Yorkshire LS29 8PB, England.Keywords animal fibers (except wool); diameter; wool ; ICS Code ICS Number Code 59.060.10 (Natural fibres) DOI: 10.1520/D2130 ASTM International is a member of CrossRef. ASTM D2130This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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