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Common faults and treatment methods of nylon ink in use

Sep. 15, 2022

1. The adhesion of the printed matter is poor, and the printed matter has obvious color fading.

Cause Analysis:

Wrong choice of ink due to misjudgment of the printing substrate during printing, such as: printing water-proof nylon cloth chooses the ink for printing ordinary nylon cloth.

Test the adhesion before the print is completely dry

Do not understand the detection method of the end customer of the product or change the detection method in the middle, causing the printing factory's detection result to be inconsistent with the other party

2. The ink sticks back to the special nylon cloth printed with PVC coating.

The special nylon cloth with PVC coating, when printing, if the solvent in the ink has too strong dissolving power, the solvent in the ink will dissolve the plasticizer and float to the surface of the printed pattern, which will cause the printed matter to be stacked when it is stacked. sticking back phenomenon.

3. When printing coarse-textured luggage cloth, the nylon ink is printed after using water-based slurry as the base, resulting in the phenomenon of ink layering.

Cause Analysis:

The selected paste does not match the ink to be printed

After priming, before printing ink, the priming paste is not completely dry.

Approach:

Through the test, choose a suitable slurry for primer.

After priming, before printing ink, make the priming paste completely dry before printing.


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