Best textiline mesh fabric tells the precautions for webbing continuous dyeing?

Webbing is made of various yarns as raw materials to make narrow fabrics or tubular fabrics. There are many kinds of belt fabrics, which are widely used in various industrial sectors such as apparel, shoe materials, luggage, industry, agriculture, and transportation. So do you know what the precautions for continuous dyeing are? Let’s follow the editor of Best textiline mesh fabric to have a simple understanding!

1. Webbing original blank factors: webbing original blanks need to pay attention to whether the yarns used are the same batch, because different batches of yarn contain different "oil" conditions, such as blending, it will become a factor in the color of the dyeing process; secondly, Whether the original blank has been pre-treated, the refining treatment of the original blank has a very good dyeing effect, because after the treatment, the "oil" on the yarn is removed and the dye can be directly contacted with the fiber for dyeing without protection.
2. Dyeing tank (or pad car, dye vat, dyeing machine). The pressure of cylinder at both ends of the roller is uniform. The roller of webbing continuous hot melt dyeing machine generally adopts pneumatic pressure, and there is a cylinder on each side of the roller. When the rolling mill runs for a period of time, due to the action of the moisture in the compressed air, the pressure at both ends of the cylinder will be different, resulting in uneven liquid rate of the blank strip and color difference in the edge. In addition, the two ends of the roll of the rolling car are pressurized, which produces a certain degree of deflection, resulting in inconsistent rolling margin between the sides, and also causing color difference between left and right.
3. The pressure, concentricity, and hardness of the dyeing tank rolls. In production, if you want to reduce the impact of the roll pressure on the left, center and right color difference to a very low level, the roll pressure should generally be controlled above 0.2MPa during webbing dyeing. In the production process, due to the wear of the rolls, the rolls are required to be calibrated and repaired regularly, otherwise it is easy to cause inconsistencies in the rolls due to the misalignment of the rolls and lead to inconsistencies. Rolls with different hardness have different rolling margins. Too hard may result in insufficient dye absorption, and too soft may result in too large rolling margins and cause a large amount of dye migration to produce patterns. The hardness of the rolls is determined by the strip.
The above is the editor of Best textiline mesh fabric describing the precautions for continuous dyeing of webbing. I hope you can learn more.