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Description of ASTM-D2102 2012ASTM D2102 - 02(2012)e1Standard Test Method for Shrinkage of Textile Fibers (Bundle Test)Active Standard ASTM D2102 | Developed by Subcommittee: D13.58 Book of Standards Volume: 07.01 ASTM D2102Significance and Use Limited accuracy in measuring the change in length produces errors in estimating values for shrinkage below 10 %. However, this test is being used for low level shrinkage fibers because the results give have been found to give an adequate indication of average shrinkage at the lower levels. The test is not adequate for determining variability in average shrinkage at low levels. If there are differences of practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, use the samples for such a comparative tests that are as homogeneous as possible, drawn from the same lot of material as the samples that resulted in disparate results during initial testing and randomly assigned in equal numbers to each laboratory. The test results from the laboratories involved should be compared using a statistical test for unpaired data, a probability level chosen prior to the testing series. If a bias is found, either its cause must be found and corrected, or future test results for that material must be adjusted in consideration of the known bias. This test method for testing the shrinkage of fibers is not recommended for acceptance testing of commercial shipments of fibers because only a limited amount of data is available. See Section 14. This test method may be used for acceptance testing of commercial shipments of fibers; but caution is advised since information on between laboratory precision is incomplete. Comparative tests as directed in 5.1 are advised. 1. Scope 1.1 This test method covers the measurement of the unrestrained shrinkage of a bundle of crimped or uncrimped fibers from exposure to some environment, for instance, boiling water for 15 min. 1.1.1 This test method may be used on fibers from tow and fibers removed from spun or continuous filament yarn. Note 1For measurement of shrinkage of single fibers, refer to Test Method D5104 . 1.2 The values stated in either inch-pound or SI units are to be regarded separately as the standard. The values stated in each system are not exact equivalents, therefore, each system must be used independently of the other. 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.
ASTM Standards D123 Terminology Relating to Textiles D1776 Practice for Conditioning and Testing Textiles D2258 Practice for Sampling Yarn for Testing D3333 Practice for Sampling Manufactured Staple Fibers, Sliver, or Tow for Testing D4849 Terminology Related to Yarns and Fibers D5104 Test Method for Shrinkage of Textile Fibers (Single-Fiber Test) Keywords dimensional change; textile fibers; ICS Code ICS Number Code 59.060.01 (Textile fibres in general) DOI: 10.1520/D2102-02R12E01 ASTM International is a member of CrossRef. ASTM D2102This 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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