Mercerized yarn hair feel hard because

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Under normal circumstances, mercerized yarn made after the handle is not hard.
If you feel fat hard phenomenon, inevitably produces diminished luster, yarn ideas, twist clear or glass capillary effect and low defect affecting touch of reasons:
① before the Road yarn bad cook, clean enough after training.
② Mercerization unreasonable or improper operation.
③ After the yarn mercerized with alkali before unloading heavy pickling, acid pickling uneven.
④ After acid leaching washed properly, and the water hardness is too large.
⑤ mercerized yarn before drying the moisture content is too large.

This carried over: http://database.texnet.com.cn/db-technology/detail--919.html

分类:Industry 时间:2010-02-16 人气:213
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