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Prediction of Yarn Tensile Properties Based on HVI Testing of 36 U. S. Upland Cottons

Moon W. Suh, Hyun-Jin Koo and Xiaoling Cui


Thirty six U. S. Upland cottons from 1995 crop were processed into 30/1 Ne ring-spun carded yarns. The Mantis® single fiber tensile properties before and after carding, HVI properties, AFIS® fiber length, and yarn tenacities were analyzed to evaluate the relationship between fiber and yarn properties and effects of carding. The study has shown that HVI bundle strength, micronaire, single fiber strength, standard deviation of single fiber elongation and fiber length are all found to be significant contributing factors to yarn tenacities. The single fiber tensile properties, tested after carding, were shown to be even better for predicting the resulting yarn tenacities.

Reprinted from Proceedings of the 1998 Beltwide Cotton Conferences pp. 786 - 790
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998