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High-temperature and high-pressure dyeing machine operation precautions
Jun 27, 2018

In order to prevent defects such as color flowers, color stains, and stains from occurring due to improper operations, it is necessary to notice some problems when using a high temperature and high pressure dyeing machine. First of all, the selected fuel should be used as far as possible the use of diffusivity and leveling good varieties, spelling color should be selected dyes with similar dyeing properties.


Second, in the process of using high temperature and high pressure dyeing machine, special attention should be paid to the rationality of the reduction cleaning operation. Because reduction cleaning is an important part of removing floating color. After reduction and cleaning, the color is slightly lighter. At the same time, both the rubbing fastness and the light fastness are improved. At the same time in the preparation of dyeing liquid, should be a small amount of cold water to adjust the slurry into a slurry, and then diluted with room temperature water, pay attention, the dilution water temperature can not be too high.


In addition, effective measures should be taken to avoid the appearance of tar spots during the dyeing of high temperature and high pressure dyeing machines. The main measures are: 1, to strengthen the fabric before processing; 2, to improve the dye bath ratio; 3, the application of high temperature and high pressure dispersant; 4, the use of high temperature drainage, to avoid the crystallization of the dye after cooling; 5, shorten the equipment cleaning cycle.

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