According to different preprinted equipment, preprinted corrugated boxes can be divided into offset preprinting, gravure preprinting, and flexo preprinting. LukoCarton waterborne ink manufacturers print quality of these three preprinting methods. , plate making costs, printing plate resistance and other issues were compared:
1. Offset preprinting, good printing quality, low plate making cost, and low printing plate resistance, the solvent type ink that is not environmentally friendly is used.
2. Gravure preprinting, good printing quality, high plate making cost, good printing resistance, and use of solvent ink
3. Flexible pre-printing, good printing quality, low cost of paperboard, moderate printing and printing force, and the use of environmentally-friendly carton water-based inks.
Each of the three preprinting methods has its own advantages, but in the long run, the prospects for flexo-printing are more extensive, because flexo preprinting not only meets the quality requirements of customers with high-quality products, but also uses non-toxic and non-toxic. Harmful carton water-based ink complies with environmental trends and benefits the health of consumers and front-line workers.
Flexo preprinting should be noted that the use of the paper should have compressive strength and bursting resistance, smoothness, gloss, tinting strength should reach the standard in order to ensure good print quality. The carton water-based ink used should have a consistent hue, color strength, viscosity, and pH. When printing high-grade colored corrugated boxes, the printing plate has a higher number of screens. To prevent blocking, the carton water-based ink used needs to have Better fineness.
After the printed corrugated cardboard, but also through the temperature of 170 ~ 180 °C corrugated board production line to form corrugated cardboard, must use high temperature carton water-based ink and water-based gloss, otherwise there will be deinking, corrugated boxes in Corrugated board produces friction during the production line and during transportation. Therefore, it must be printed and watered with a water-resistant ink with good abrasion resistance.
