Why is the pre-treatment process of printing and dyeing so important
The scouring and bleaching workshop is a very important part of the printing and dyeing factory. According to quality analysis statistics, there are 707 defective fabrics in finished printing and dyeing products. The above quality problems are all related to poor pre-treatment. Without good scouring and bleaching semi-finished products, it is impossible to produce good printed and dyed finished fabrics. Therefore, we should implement the job responsibility system, improve the process loading rate and equipment integrity rate of each process in the polishing and bleaching workshop, and ensure the quality of each process.
The production of qualified semi-finished and bleached products is the basis for ensuring the quality of finished printing and dyeing products. Some problems such as wrinkles and creases that occur during the boiling and bleaching process become quite flat after the yarn finishing process. It is not easy to see the semi-finished products that are not cleanly desized and not cooked thoroughly when the cloth is dropped on the machine.
It’s not easy to detect, but the flaws in the pre-treatment will be immediately exposed after coloring.
In production practice, it can be seen that some semi-finished products with insufficient pre-processing and poor quality will produce fabric strips after being colored.
For problems such as flowers, uneven coloring, color differences in the edges, color differences between the front and back, and creases, the coloring had to be stopped and returned to the polishing workshop for repair. In printing and dyeing factories, there is a saying that “seven points for bleaching and three points for coloring” emphasizes the importance of bleaching. A good printing and dyeing factory must have a
A good pre-processing workshop (including good hardware and software) is the consensus of professionals in the printing and dyeing industry.
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