Essay On Yarns

CHAPTER 3
MATERIALS AND METHODS
3.1 INTRODUCTION
This chapter dales with the materials used and method engaged in experimental process. The material details of all the tested yarns and the fabric used in this study are elaborated. Fabric code has given for identifying the fabrics, which is commercial fabrics, was produced and test in bleached stage.
3.2 MATERIALS
3.2.1 Yarns Used for the Production of Fabrics
60 Ne conventional ring spun yarns were produced. Table 3.1 gives the properties of single and doubled yarn. By using the above single yarn 19.08 tex doubled yarn were produced by using ring doublers.
Table 3.1 Single yarn Properties
Parameters Unit Single Yarn Doubled Yarns
Count tex 9.54 19.08
Twist Twist per cm 13.36 9.27

Weave structures include Plain , 2/2 Twill , 4/4 Twill, 2/2 Pointed twill, 8 Thread twilled hopsack , 8 Thread weft sateen , 8 Thread honey comb , 8 Thread Brighton honey comb , 8 Thread huck-a-back , 8 Thread crepe cord and 8 Thread pin head crepe. They are given in Figure 3.1.The table 3.2 gives the fabric particulars in details.
a) Plain P’-1 b) 2/2 Twill P’-1.265 c) 4/4 Twill P’-1.789 d) 2/2 Pointed Twill P’-1.265

e) 8 Thread Twilled Hopsack P’-1.321 f) 8 Thread Weft Sateen P’-1.789 g) 8 Thread honey Comb P’-1.253 h) 8 Thread Brighten Honey Comb P’-1.109

i) 8 Thread Huck - a - Back P’-1.188 j) 8 Thread Crepe cord P’-1.109 k) 8 Thread Pin head crepe