What is the reason for sweater pilling?

The pilling of clothes is actually related to the material. Some sweaters are made of relatively low-grade materials and have uneven fineness. It may also be affected by various external forces such as friction and tension during the processing of wool yarn and the wearing of sweaters. The wool fibers in the wool yarn are easy to hook into a loop or a single-head detachment. After repeated friction, the wool The fibers are tangled together to form a ball.
 It is also possible that the sweater you bought is not the type that can pilling, but it still pilling behind, mainly because of the washing method and wearing. The main reason is that the washing method of sweaters is sometimes an important reason for pilling. Products that are not machine washable must be washed carefully by hand. Do not put them in the washing machine to save trouble, because of the powerful effect of the washing machine. The friction increases, causing pilling. Under normal circumstances, friction pilling at the elbows and ribs is more pronounced.

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