Polyesters ranging in tenacity from 238 kN . m/kg (3.0g/d) to 583 kN . m/kg (6.6 g/d), in elongation from 24% to 41%, and in fineness from 0.139 mg/m (1.25 d) to 0.250 mg/m (2.25 d) were blended with combed cotton (minimum 20% polyester, maximum 40% polyester) and evaluated in both woven and knitted fabric structures. The best overall performance in fabric strength and abrasion resistance was obtained with the finest, high-tenacity fiber, but the fine fiber caused some pilling problems in knitted structures. Results showed that full-performance-treated fabrics with accept able strength and abrasion resistance could be produced from blends of 70% to 75% cotton with the fine, high-tenacity polyester.
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