ASTM-D6774 2022

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D6774-22 Standard Test Method for Crimp and Shrinkage Properties for Textured Yarns Using a Dynamic Textured Yarn Tester

Published By	Publication Date	Number of Pages
ASTM	2022	6

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Categories: 59.080.20 - Yarns, ASTM

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Description

ASTM D6774-22

Active Standard: Standard Test Method for Crimp and Shrinkage Properties for Textured Yarns Using a Dynamic Textured Yarn Tester

ASTM D6774

Scope

1.1 This test method covers the determination of crimp contraction, residual fiber shrinkage and their variability of all types of filament yarns (partially oriented yarn (POY), fully oriented yarn (FOY), flat yarns, textured and bulked continuous filament (BCF) carpet yarns) using an automated tester.

Note 1: For another method of testing crimp in textured yarns, refer to Test Method D4031.

1.1.1 This method may also be used for non-textured yarns.

1.2 This test method is limited to crimped, multi-filament yarns ranging from 22.0 dtex to 890 dtex (15 denier to 800 denier) and for BCF yarns from 890 dtex to 4200 dtex (800 denier to 3800 denier).

1.3 The values stated in SI units are to be regarded as standard. Inch-pound units in parentheses after SI units are provided for information only and are not considered standard.

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

1.5 This 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.

Keywords

crimp; residual fiber shrinkage; textured yarn; total contraction;

ICS Code

ICS Number Code 59.080.20 (Yarns)

DOI: 10.1520/D6774-22

Additional information

Standard Title	D6774-22 Standard Test Method for Crimp and Shrinkage Properties for Textured Yarns Using a Dynamic Textured Yarn Tester
Published Code	ASTM
Publication Date	2022
Pages Count	6
ICS Codes	59.080.20 - Yarns