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Cotton Combed Yarns CM

Cotton Combed Yarns CM

100% cotton combed yarns (CM) with the index Ne 28 – Ne 60

TABLE OF YARN QUALITY STANDARDS

Items CD28/1W CD28/1 CD30/1W CD30/1 CD32/1W CD32/1 CD40/1W CD40/1
Type of textiles Knitted Woven Knitted Woven Knitted Woven Knitted Woven
Design Index  26 26  30  30  32  32  40  40
Standard error ∆n ±1% ±1% ±1% ±1% ±1% ±1% ±1%  ±1%
Coefficient of Standard error CVn (%) 1.20% 1.20% 1.20% 1.20% 1.20% 1.20% 1.20% 1.20%
                 
Twist K (x/m) 830±20 850±20 850±20 870±20 850±20 870±20 980±20 1000±20
False-twist ∆k (%) 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
Coefficient of False-twist CVk (%) 2.5% 2.5% 2.5% 2.5% 2.5% 2.5% 2.8% 2.8%
                 
Single yarn tensile strength P (CN) 290 310 280 300 265 280 200 215
Relative durability of yarn Po CN/tex 14 14 15.5 15.5 15.8 15.8 16 16
Coefficient of false durability Cvp (%) 7.0% 7.0% 7.0% 7.0% 7.5% 7.5% 8.0% 8.0%
                 
Yarn elongation at break (E%) 4.6 4.6 4.4 4.4 4.2 4.2 3.8 3.8
Uneven level CVm 11 11 11.5 11.5 11.8 11.8 13 13
IPI 45 45 50 50 60 60 100 100
H 5.6 5.6 5.8 5.8 6.3 6.3 5.5 5.5