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ASTM D 3937 : 2012 : R2018

Current
Current

The latest, up-to-date edition.

Standard Test Method for Crimp Frequency of Manufactured Staple Fibers
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-08-2018

1.1This test method covers the determination of the crimp frequency of manufactured staple fibers. This test method is applicable to all crimped staple fibers provided the crimp can be viewed two-dimensionally as a sine-wave configuration.

1.1.1It should be recognized that yarn manufacturing processes or treatments to manufactured yarns can influence or modify crimp in fiber. Hence, the value for crimp of fibers taken from spun yarns may be different than that of the same fiber prior to the manufacturing or treatment processes.

1.2Three options are provided for preparation of the specimens. Option One (preferred) uses single fibers for the specimens with a low magnification available, Option Two (optional for staple or tow samples) uses fiber chips as the specimens, and Option Three uses projected images of single fibers.

1.3The values stated in SI units are to be regarded as the standard. The inch-pound units in parentheses are for information only.

1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 13
DocumentType
Test Method
Pages
4
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 4849 : 2013 : R2018 Standard Terminology Related to Yarns and Fibers

ASTM D 4849 : 2013 : EDT 3 Standard Terminology Related to Yarns and Fibers
ASTM D 2258 : 1999 Standard Practice for Sampling Yarn for Testing
ASTM D 4849 : 2020 Standard Terminology Related to Yarns and Fibers
ASTM D 4849 : 2013 : EDT 2 Standard Terminology Related to Yarns and Fibers
ASTM D 4849 : 2002 : REV A Standard Terminology Relating to Yarns and Fibers
ASTM D 1776 : 1967 : EDT 1 Standard Method Of Conditioning Textiles And Textile Products For Testing
ASTM D 123 : 2019 Standard Terminology Relating to Textiles
ASTM D 3333 : 1995 Standard Practice for Sampling Manufactured Staple Fibers, Sliver, or Tow for Testing
ASTM D 3333 : 2007 : R2018 Standard Practice for Sampling Manufactured Staple Fibers, Sliver, or Tow for Testing
ASTM D 4849 : 2021 Standard Terminology Related to Yarns and Fibers
ASTM D 123 : 2023 Standard Terminology Relating to Textiles
ASTM D 123 : 2001 Standard Terminology Relating to Textiles

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