Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D5867-12
• Năm ban hành / Publication date: 2012
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Methods for Measurement of Physical Properties of Raw Cotton by Cotton Classification Instruments
• Chỉ số phân loại Quốc tế (ICS) / By field: 59.060.10 - Xơ tự nhiên
• Số trang / Page: 5

Phạm vi áp dụng / Scope of standard

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.