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Fundamentals of Knit Fabric Shrinkage The most important factors relating to shrinkage are fiber, yarn, construction, wet processing, finishing procedures, cut-and-sew techniques, and garment care. Construction and processing shrinkage depend on the construction and processing variables chosen by the manufacturer or customer.


Blended fabrics normally synthetic and natural are also considered more stable. Structure of the fabric/ knit or weave, loose and tight structure; This factor also plays a vital role in the shrinking of the products. The products which are loosely woven or knitted are prone to shrink more and tightly knitted and woven products are more stable.


Knitted fabrics tend to change dimensions in width and length after being taken off the machine, even without yarn shrinkage, indicating a change of loop shape rather than of loop length. During knitting, the loop structure is subjected to a tension of approximately 15-25 grams per needle from sources such as the takedown mechanism and, in the ...


Shrinkage. Causes SHRINKAGE DEFINED Types of knitted fabric. REFERENCE The reduction in a dimension of a fibre, yarn or fabric.{3} Shrinkage is when a fabric becomes smaller than its original size, usually through the process of laundry. {1} The term shrinkage can simply be defined as a change in the dimensions of a fabric or garment.


Fabric Shrinkage Rate Test; Shrinkage rate refers to the percentage that fabrics’ size presents shrink when washed or soaked, which is also an indicator of measuring the degree of fabric shrinkage. The level of fabric shrinkage rate is one of the criteria to measure product quality.


A knitted fabric with 30s combed yarn with 80 CPI and 60 WPI with 0.65 mm loop length is sourced for production process. Calculate the GSM of the fabric, if the dimensional shrinkage after knitting is 8% and 3% after dying.


If Dia is more then GSM of the fabric will less. If Dia is less then the GSM of the fabric will more. N.B: If GSM of the fabric is OK then shrinkage is also OK. Dia Control: Dia is controlled by dia controlling meter scale. If any fault, GSM of the fabric is reduced then to increase the GSM of the fabric dia will have to be reduced (2 – 3) inch.


K.B. Blair, in Materials in Sports Equipment, Volume 2, 2007. Knit fabrics. Knit fabrics are constructed by interloping one or more sets of yarns (Kadolph and Langford, 2002).Common examples of apparel utilizing knit fabrics are socks. Knitting is a more versatile manufacturing process, as entire garments can be manufactured on a single knitting machine, and it is much faster than weaving.


Cotton fabric suffers from two main disadvantages of shrinking and creasing during subsequent washing. There are two types of shrinkage occurs during washing 1) Length wise 2) Width wise Cause : Due to high tension during preparation of fabric which result in excess stretch in yarn. This type of shrinkage is known as London shrinkage.


What Is Fabric Shrinkage Fabric shrinkage is used as a factor that determines the changes in length and width of fabric after washing it. The shrinkage of fabric is the same either you are washing it in a washing machine or dry cleaning. The rate of shrinkage of fabric is the same in both cases. Fabric shrinkage is the major concerning point ...