Standard Test Methods for Measurement of Physical Properties of Raw Cotton by Cotton Classification Instruments
This test method is accepted for testing of bales of raw cotton in commercial shipments.
This test method describes acceptable practices for testing of raw cotton using cotton classification instruments that are capable of testing the fiber properties of micronaire reading, length, uniformity index, strength, Rd (color), +b (color), percent area (trash) and particle count (trash).
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.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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