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Corresponding Author

El-Habiby, Fawkia

Subject Area

Textile Engineering

Article Type

Original Study

Abstract

In the present study the authors intended to evaluate the performance and properties of different lots of Egyptian cotton fibres using AFIS system. Cottons were processed in different blowroom lines and carding. Fibre properties of raw cotton and card sliver were examined by AFIS system. Analysis of results showed that, for Egyptian cottons, the percentage of seed coat neps to total neps is about 4%. Egyptian cottons contain low nep count, where the majority of cottons corresponded to 5 and 25% of world level according to Uster Statistics, but are characterized by high trash content, since the majority corresponded to 75 and 95% of world level. By opening and carding higher percent of trash is extracted, where the residual in card sliver is 5.5, 4.5 and 3.7% for dust, trash and visible foreign matter, Statistical analysis showed that there is a correlation between nep count/g and both of fibre denier (r is -ve) and immature fibre content (r is +ve). Moderate correlation was found between seed coat neps and cotton impurities. Also linear correlation was found between trash residual in card sliver and fibre length parameters of raw cotton. Regression analysis were carried out, where regression equtions has been found to predict nep and seed coat nep content in raw cotton.

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