A method is specified for determining the value cited in the title of loose disorientated cotton fibres taken from bales, laps, and slivers, or other sources of lint cotton. The value is a measure of the air permeability of a mass of cotton under specified conditions, expressed in terms of an arbitrary scale, the so-called micronaire scale.
ISO 2403:1972 history
2021ISO 2403:2021 Textiles — Cotton fibres — Determination of micronaire value
2014ISO 2403:2014 Textiles - Cotton fibres - Determination of micronaire value
1972ISO 2403:1972 Textiles; Cotton fibres; Determination of micronaire value