To control the ungluing of the corrugated box, it is very important to choose the correct glue for the box. Once the glue is used incorrectly, it will cause the whole batch of corrugated box to be glued.

The basic principle of choosing glue for pasting boxes is to choose different glues according to the different surface treatment methods of corrugated color box facial paper.

If the sticky position of the corrugated color box is ordinary paper surface and ordinary paper surface, use ordinary white latex when gluing the box; if the paper surface and the film surface (including light film and dumb film) are bonded labels, when gluing the box You need to choose paper and plastic water, and you need to choose different paper and plastic water according to the film material. For example, PET or OPP film surface should use different paper and plastic water when gluing the box; if it is paper and UV The varnish surface is bonded, and UV glue is required for paste box; if the paper surface is bonded to the polished surface, polished glue is required for paste box.

Scanning format: manual paste box or paste box speed is slow, and high-quality research is carried out. The long opening time (from the time when the glue is in contact with the cement to the cement can no longer be moved arbitrarily) should be selected. Fast speed, should choose glue with short opening time.

The working environment of the glue box workshop must also be considered when choosing glue for glue boxes. The glue used in winter is different from the glue used in summer, because the glue of the same brand and the same batch is digitally printed at different ambient temperatures, and the viscosity is also different. The lower the ambient temperature, The higher the viscosity of the glue. Regardless of whether it is winter or summer, glue is required to achieve the viscosity that is most convenient for the production operation in the paste box production process. Due to the low temperature in winter and the high viscosity of the glue Esko, if the corrugated color box manufacturer adds a thinner to adjust the viscosity of the glue, the adhesion of the glue will be affected to a certain extent.

Therefore, in order to maintain the adhesion of the glue and the normal reaction mechanism of the glue, the glue used at a lower ambient temperature needs to be adjusted accordingly. The Beiren Group is also very mature in the south. The reason why the glue cannot be used directly in the north. In addition, the usage environment of the corrugated color box should also be considered. If the corrugated color box after the paste box needs to be sent to a high temperature environment, it is necessary to select a high temperature resistant glue box glue; if the corrugated color box after the paste box needs to be sent to a low temperature environment When using packaging design, you need to choose low-temperature paste glue.

Polishing performance: If the automatic folder gluer is equipped with a spray gun, the corresponding spray glue must be selected. At the same time, the performance of the spray gun control system must also be considered. If the spray gun control system is a hot melt method, hot melt spray glue must be selected; if the spray gun control system is digital printing without heating in China, cold spray glue must be selected.

The above are the precautions that should be taken when choosing glue to prevent the opening of corrugated color boxes. Of course, when choosing glue for pasting boxes, it is also necessary to consider whether it is environmentally friendly, whether it is food-grade, whether it is mildew-proof, etc., which will not be detailed here.

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