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Shrinkage is a change in dimensions across the length and width of the fabric after washing, usage and when exposed to relaxing of fabrics. Mainly shrinkage is of two types one is minus shrinkage and other is plus shrinkage. Skew (twisting of the vertical grains) is also observed along with shrinkage.


In theory, knitted loops move towards a three-dimensional configuration of minimum energy as the strains caused during production are allowed to be dissipated so that eventually, like all mechanical structures, a knitted fabric will reach a stable state of equilibrium with its surroundings and will exhibit no further relaxation shrinkage.


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.


Knit fabrics typically are more open and loose in structure than wovens and thus are subject to more instability and dimensional change. To understand shrinkage in knit fabrics, it is important to fully understand the basics of loop formation, the consolidation forces in dyeing and finishing, and the effects of product care.


They are also using one pattern for different lots. If this is possible and they know the process, they can save time and reduces more process at the stage of cutting after receiving fabric. This is a common practice found in small size factories – they wash knits fabrics for pre-shrinkage to control shrinkage in garment in washing.


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.


Woven fabrics are much more stable than knitted fabrics and do not react as severely to stresses. However, much lower shrinkage specifications are demanded of wovens thereby making the impact of processing stresses just as important for cotton wovens as they are for knitted goods.


the dimensional stability and distortion of knitted fabrics. The work demonstrated that changes occurring after laundering were largely due to alterations in the loop shape, rather than yarn or loop length shrinkage. The fabrics had taken up their fully relaxed dimensions after five wash and dry


Fabric shrinkage is very important Terms in garments.Shrinkage(in fabric) is a parameter of testing textile fabrics to measure changes in length and width after washing (laundry), shrinkage ...


Shrinkage of 5% in trousers with a 35" waist and a 32" length will reduce the size over 1 1/2". TYPES OF SHRINKAGE (1)Relaxation (or fabric) shrinkage. Relaxation shrinkage occurs during the initial drycleaning of a garment. This type of shrinkage takes place because the woven or knitted goods are stretched during manufacture.