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What Is Fabric Shrinkage

What Is Fabric Shrinkage

1. About The Fabric Shrinkage

Fabric shrinkage refers to the reduction in size of a fabric or garment after it is subjected to certain conditions, such as washing, drying, or exposure to heat and moisture. This phenomenon occurs due to the relaxation of tensions applied to the fibers during the manufacturing process.

What Is Fabric Shrinkage

2. Why We Need to Test The Shrinkage of Fabrics?

First, manufacturers need to do shrinkage tests to control the quality of fabrics or clothes, and brands also need to maintain their reputation. Moreover, if the quality is poor, it needs to be remade, which will cause waste of resources and raw materials. Second, if the shrinkage problem of fabrics is not discovered until after the clothes are made, they may become skewed or shrunk after washing. Wrinkles may appear at the seams. The appearance of clothes may also be affected when they are hung or folded. Finally, manufacturers must print correct care labels on clothes to inform consumers how to properly care for clothes. If the shrinkage rate is not tested and the incorrect care label is printed, consumers may damage the clothes by washing them incorrectly.

What Is Fabric Shrinkage

3. Factors Influencing Fabric Shrinkage

Fiber Content:

Natural fibers like cotton, wool, and linen are more prone to shrinkage compared to synthetic fibers like polyester and nylon.

Blended fabrics may exhibit different shrinkage behaviors depending on the proportion of each fiber type.

Yarn and Fabric Construction:

The way yarns are spun and fabrics are woven or knitted can affect shrinkage.

Tightly woven or knitted fabrics tend to shrink less than loosely constructed ones.

Finishing Processes:

Pre-shrinking treatments (e.g., Sanforization) during manufacturing can reduce shrinkage.

Other finishing processes like mercerization or heat setting can also stabilize the fabric dimensions.

Washing and Drying Conditions:

High temperatures and mechanical agitation during washing and drying can increase shrinkage.

Using hot water, high heat drying, and vigorous agitation are common causes of shrinkage.

What Is Fabric Shrinkage

4. How to Prevent Fabric From Shrinking?

There are several ways to prevent fabric from shrinking after washing, but they are usually used on cotton fabrics that shrink more. Common treatments include mercerization or shrink-proofing.

Artificial fibers, such as nylon, shrink when exposed to high temperatures, but the shrinkage can be controlled during shaping. However, it is not reasonable to set a completely 0% shrinkage standard. No matter what ingredients are used or what process is used, fabrics usually shrink a little, so an acceptable range should be set. And this range value usually depends on the composition and organization of the fabric.

Layne | 07-26-2024 | Views 184 times

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