Analysis of the cracks on the surface of the ink layer on the finished silk screen

The main reason for the cracks on the surface of the substrate after screen printing is due to the effect of the solvent and the large temperature changes. In general, styrene products use alcohols and petroleum-based weak solvents to crack, and some substrate materials can also cause cracks due to their own factors.

In order to prevent the occurrence of cracks, the nature of the ink and the solvent resistance of the substrate must be considered when selecting the solvent. The material with strong solvent resistance and oil resistance can be selected as the material of the printing material. Pay attention to keep the workshop temperature balanced. In multi-color overprinting, each color should be fully dried after printing, and the drying temperature should be strictly controlled. Generally speaking, by paying attention to the above aspects, the cracking of the ink layer can be effectively controlled.

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