XuanYing is a professional packaging bag manufacturer in China, Specialized in producing paper bag and provide custom packaging bag service more than 15 years.

How to prevent the glue opening of gift bag packaging and printing

by:XuanYing     2021-06-29
Gift bag packaging and printing have developed to this day, and packaging and merchandise have been integrated. Packaging is a comprehensive reflection of brand philosophy, product characteristics, and consumer psychology, and it directly affects consumers' desire to buy. Therefore, professional gift bag packaging and printing companies generally have rich production experience and can perfectly integrate commercial value with printing art. But in some details, such as the problem of glue opening in the bonding process, we still need to work harder. Gift bag packaging and printing are always prone to the following problems in the process of bonding gift bags and other packaging products: too much glue amount causes glue overflow after pressing, which not only affects the appearance of the product, but also easily occurs Adhesion between packaging bags. If this happens, let it dry for 2-5 minutes after brushing the glue, and then press it after the glue is slightly dry. In the gift bag packaging and printing, if there is no pressing or the pressure is too small, the glued product will automatically bounce. This situation is mainly for products with greater stiffness, so it must be pressed for at least half an hour, because Many adhesives are contact adhesives, so the two surfaces must be effectively pressed together. In a unit time, if the initial adhesion is less than the elasticity of the product, the product will bounce, so the general product requires 0.5 hours Squeeze time. The packaging and printing of gift bags will also be degummed in the cold winter season. This is mainly because some adhesives have poor low temperature resistance. Below 5°C, the surface of the adhesive will lose its activity, resulting in a decrease or disappearance of adhesion. In the hot summer, the glued packaging boxes will also come out in the warehouse or transportation carts, and they will pop off and degummed. This is mainly because the high temperature resistance of this kind of adhesive is not good. At a temperature of 50-60 ℃, the adhesive layer becomes soft and the strength becomes smaller, which leads to the degumming of the packaging box.
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