Question

Why do some fibre shrink after washing ?

Answer 1

Explanation:

Washing clothes in hot water (or drying them using hot air) shrinks the fabric. Although fibers of polymer are naturally short, they are stretched out when made into clothes. ... Because cotton and wool both absorb quite a bit of water, they will shrink faster, so you should wash those garments in cold water.

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Answer 2

Answer:

Because air gets lost between different fibres . The shrinkage varies on different types of fibre depending on their nature of yarns ..