This standard establis es the test methods for determining the content of impurities and defects in cotton fibers and is applicable both in the entry inspection (for dis antled cotton that has not undergone any manufacturing process), as well as in the technological processes of opening, fulling and carding.
NC 40-140-1988 history
1987NC 40-140-1988 Manufacturing and Textile Industry. Determination of Defects and Impurities Content of Cotton Fibres. Testing Methods