This standard specifies the method for measuring the length distribution parameters of cotton fibers with a comb-type length analyzer. This standard applies to the determination of the length index of cotton fiber, and also applies to the determination of the length index of semi-finished products such as cotton laps and slivers or noil.
GB/T 13779-1992 history
2008GB/T 13779-2008 Cotton fibres.Test method for length.Comb sorter method
1992GB/T 13779-1992 Test method for length of cotton fibres--Comb sorter method