Runhe zipper manufacturer tells you the reason for the poor color of zipper dyeing

Home    Runhe zipper manufacturer tells you the reason for the poor color of zipper dyeing

At present, there are many zippers of various specifications, most of which are woven with polyester. The dyeing method of polyester zipper is basically the same as that of cheese. However, the dyeing of polyester zipper sometimes produces color difference. So, what is the cause of this problem? Let Wenzhouzip closurethe manufacturer to tell you.
1. The treatment before dyeing is not clean. Before dyeing, polyester is not clean, and the oil added in the dyeing process is soiled by dust, grease, etc., which is easy to cause uneven color, resulting in color flowers and spots.
2. The winding process is uneven, which makes the color darker in some places and lighter in some places.
3. Improper selection of dyes makes the dye solution aggregate in the dyeing process, resulting in depth and light color difference.
4. The temperature rises too fast. In the process of dyeing, if the heating rate is too fast, it is easy to cause uneven coloring and color of the dye.
5. The circulation state of dye solution is poor.
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Created on:2018/04/25 09:27
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