Waterproof streaks
1. Reason:
⑴Uneven pre-treatment and uneven dyeing.
⑵ Uneven rolling pressure causes uneven padding fluid.
⑶ The permeability of the working fluid is poor and the liquid flows down. This phenomenon is more common in fabrics with poor permeability such as high count, high density and thick fabrics.
2. Main countermeasures:
⑴ Ensure that all pre-treatment processes and dyeing are uniform.
⑵ Use a uniform rolling car, and pay attention to cleaning the rolls and rolling grooves frequently.
⑶Choose one with high permeability and use a small amount of non-ionic penetrant.
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