Packaging - Color printing eight edge-sealing bag with flat production process

Four commonly used ordinary self-supporting bag edge-sealing form, cannot be closed again and repeat open, the self-supporting bag commonly used in the industries of industrial supplies. Zippered self-reliance bag can be closed again and repeat open, because in the form of zipper is not closed and closed strength is limited, so this kind of form is not suitable for packaging liquid and volatile substances. In different ways according to sealing side is divided into four edge sealing and three edge-sealing two, four edge sealing is refers to the product packaging in the factory have a layer of ordinary zipper sealing side, the common when using using tear sealing side, recycle zipper implementation repeat rev, this method has solved the small zipper sealing side strength against the shortcoming of transportation. The three edge sealing is directly to use as the sealing zipper sealing side, commonly used in costumes of lightweight products. Zippered self-supporting bag is commonly used in packing some light solid, such as candy, biscuit, jelly, etc. , but four edge sealing of self-supporting bag also can be used for packing of rice, cat litter, etc. The heavier products. Eight edge-sealing self-reliance bag a, eight edge-sealing bag with flat based on common self-reliance bag, the advantages of the combination of packaging color printing technology, makes the eight edge-sealing self-supporting bag has the following advantages: 1, can print all around, plenty of printing surface let the product information description and design more rich. 2, vertical structure, can be independent on shelves, smooth, stable stand. 3, additional sealing zipper, bag type cannot avoid organ gallas chain faults. 4, can be additional one-way exhaust valve, used in coffee and other related industries. 5, composite of flexible packaging materials, can through permeable through oxygen barrier property of different material, different barrier property combination play together. Eight edge-sealing bag can be used in pet food, coffee, tea, fine food, cosmetics and other products packaging, packaging is a high added value. Generally selected material structure of PET/PE, PET/AL/PE, MATOPP/paper/PE material, etc. , at the bottom of the two sides and the back is and with different materials. Also can be used to wash aluminum, positive and negative printing, lu: su composite, paper-plastic composite and other ways to increase its beautiful appearance.