Norm

ASTM D6612-00(2016)

Standard Test Method for Yarn Number and Yarn Number Variability Using Automated Tester

48,24

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie D13.58
Gepubliceerd op 01-01-2016
Taal Engels

1.1 This test method covers the measurement of yarn number up to 4000 dtex (3600 denier) and related variability properties of filament and spun yarns using an automated tester with capability for measuring mass variability characteristics.

1.2 Yarn number variability properties include percent density spread (%DS), coefficient of variation (%CV), density frequency variation.

Note 1: For determination of yarn number by use of reel and balance, refer to Test Method D1907. For another method of measuring variability (unevenness) in yarn, refer to Test Method D1425.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the inch-pound units are in parentheses. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in inaccuracies of results.

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

Details

ICS-code 59.080.20
Nederlandse titel Standard Test Method for Yarn Number and Yarn Number Variability Using Automated Tester
Engelse titel Standard Test Method for Yarn Number and Yarn Number Variability Using Automated Tester

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