Method for preventing cracks on the ink layer of silk screen printed product
The main reason for the cracking of the ink layer on the surface of the substrate after screen printing is due to the effect of the solvent and the large temperature change. The use of alcohol and petroleum solvent-based weak solvents in general styrene products can also cause cracking. Some substrate materials can also cause cracking 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 should be taken into consideration when selecting the solvent. Solvent-resistant and oil-resistant materials can be used as substrates. 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. In general, paying attention to the above aspects, it is possible to effectively control the cracking phenomenon of the ink layer.
Source: Shunhe Printing Materials Co., Ltd.
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