ASTM D5867 : 12(2020)

Standard Test Methods for Measurement of Physical Properties of Raw Cotton by Cotton Classification Instruments

Standard Details

1.1 This test method covers the measurement of color, trash content, micronaire, upper half mean length (length), uniformity index and breaking tenacity (strength) of raw cotton for cotton marketing using a cotton classification instrument.

1.2 This test method is applicable to Upland and Extra Long Staple (ELS) raw cotton.

1.3 This test method is applicable to roller and saw ginned raw cottons.

1.4 This test method contains the following sections.

	Section
Color	8 – 11
Trash Content	12 – 15
Micronaire Reading	16 – 19
Upper Half Mean Length (Length) and Uniformity Index	20 – 23
Breaking Tenacity (Strength)	24 – 27

1.5 The values stated in both inch-pound and SI units are to be regarded separately as the standard. The values given in parentheses are for information only.

1.6 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.

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