Introduction of Doypack
Doypack is a relatively new form of packaging, enhance product quality, enhance shelf visual effects, portable, easy to use, preservation and sealing, and many other advantages. Doypack from PET / foil / PET / PE structure is laminated, also have 2 layers, 3 layers and other specifications of the material, according to the packaging of different products, Can be increased according to the need to protect the oxygen barrier, reducing oxygen permeability, and extend the shelf life of the product.Doypacks are mainly used in fruit juice drinks, sports drinks, bottled water, can be jelly, condiments and other products,in addition to the food industry, a number of washing products, daily cosmetics, pharmaceutical products and other products are gradually increasing.So far, Doypacks are basically divided into the following five types:
1.General Doypack: the general form of stand-up bags, the use of four edge form, can not be re-closed and repeated open, this stand-up bags are generally used in industrial supplies industry.
2. Doypack with spout : The doypack with spout are more convenient for dumping or sucking contents, and can be re-closed and reopened, which can be regarded as the combination of Doypacks and common bottle. Such Doypacks are generally used in daily necessities packaging, used to hold drinks, shower gel, shampoo, tomato sauce, edible oil, jelly and other liquid, colloidal, semi-solid products.
3. Doypack with zipper :Stand-up pouches with zippers can also be resealed and re-opened, this form is unsuitable for encapsulating liquids and volatile substances, since it is not enclosed in a zipper and has limited confinement strength.According to the edge is divided into four different side edge and three edge two, four edge is the product packaging in the factory zipper seal there is a layer of ordinary edge, the use of the first to be the first ordinary tear, Re-use zipper to achieve repeated closure,This method solves the shortcoming that the edge-sealing strength of zipper is not good for transportation.The three edge is directly sealed with a zipper as a seal, generally used to contain light products.Doypack with zipper are generally used to pack some light solids such as candy, biscuits, jelly, etc., but the four sides of the self-standing bags can also be used for packing rice, cat litter and other heavier products.
4.Irregular Doypack: That is, according to the needs of the packaging, in the traditional bag-based changes on the basis of a variety of shapes produced by the new Doypacks, such as waist design, deformation of the bottom design, handle design. Is the main direction of the development of value-added stand bags.
With the social progress and people's aesthetic level and increased competition in various industries, Doypack design printing becomes more and more colorful, more and more forms of its appearance, the development of special-shaped self-standing bags have gradually replaced the status of traditional stand bags the trend of.
