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Why the non-woven fabric produced first under the same processing conditions is uneven

Update:14-03-2020
Summary:

Under the same processing conditions, the causes of une […]

Under the same processing conditions, the causes of uneven soft and hard fabrics are generally similar to the causes of uneven thickness. The main reasons may be the following:
(1) The cotton blended with low-melting fiber and conventional fiber is not uniform. The part with higher low-melting content is harder and the part with lower content is softer.
(2) The non-woven fabric is soft due to incomplete melting of the low melting point fibers
(3) The high shrinkage of the fiber will also cause the problem of uneven soft and hard nonwoven fabrics.

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