Doypack refers to a flexible packaging bag with a horizontal support structure at the bottom and a suction nozzle on the top or side; its self-supporting structure can stand on its own without relying on any support and whether it is opened or not. Stand-up pouch is a relatively novel packaging form, which has advantages in many aspects such as upgrading product grade, enhancing shelf visual effect, portability, convenient use, preservation and sealability. The stand-up pouch is made of laminated PET/foil/PET/PE structure, and can also have 2 layers, 3 layers and other specifications. It depends on the different products of the package. An oxygen barrier protective layer can be added as needed to reduce the oxygen permeability , Extend the shelf life of the product.
Self-supporting nozzle bag packaging is mainly used in juice drinks, sports drinks, bottled drinking water, smokable jelly, condiments and other products. In addition to the food industry, some products such as detergents, daily cosmetics, and medical supplies are also used. Gradually increase.
The self-supporting spout bag combines the repeated packaging of PET bottles and the fashion of composite aluminum paper bags. At the same time, it also has an unmatched advantage in printing performance that traditional beverage packaging can not match. Due to the basic shape of the self-supporting bag, the display area of the spout bag Significantly larger than PET bottles, and better than packaging such as Baileys that cannot stand. Of course, since the spout bag belongs to the category of flexible packaging, it is not currently suitable for the packaging of carbonated drinks, but it has unique advantages in juice, dairy products, health drinks, jelly foods, etc.