This standard specifies the method for determining the maturity of cotton fibers using a polarizing maturity meter. This standard is applicable to the fiber test maturity coefficient, maturity ratio, and percentage of mature fiber of fine-staple cotton, long-staple cotton, and cotton yarns and threads that have not been chemically treated.
GB/T 6099.2-1992 history
2008GB/T 6099-2008 Test method for maturity coefficient of cotton fibres
1992GB/T 6099.2-1992 Test method for maturity of cotton fibres—Polarized apparatus method