There are many types of the standing pouch. If classified according to technology, they can be divided into moisture-proof packaging, waterproof packaging, mildew-proof packaging, fresh-keeping packaging, quick-freezing packaging, breathable packaging, microwave sterilization packaging, aseptic packaging, pneumatic packaging, vacuum packaging, deoxygenation — packaging, blister packaging, body packaging, stretch packaging, retort packaging, etc.
The above various packaging bags are made of different composite materials, and the packaging characteristics are corresponding to different product requirements, and can effectively maintain the quality and stable function of the product itself.
The standing pouch is considered to be a classic of modern packaging, and it is also a relatively novel packaging form. It has certain advantages in improving product grade, enhancing shelf visual effect, carrying light, convenient use, waterproof, moisture-proof, anti-oxidation and sealability.
The standing pouch can be divided into six types: ordinary stand-up pouch, kraft stand up pouches, stand up pouches with zipper, nozzle-type stand-up pouch, imitation mouth-type stand-up pouch, and profiled stand-up pouch, They are mainly used in juice drinks, condiments, dairy products, detergents, cosmetics and other products.
Stand up pouch packaging are very convenient for consumers because they are plastic bags, which are light in weight and not easily damaged. Besides, the stand-up pouches with zipper can be used, and the self-supporting pouch makes the food more convenient to pour out. The delicate printing can help the product attract the attention of consumers.
The stand-up pouch is generally laminated with a PET/FOIL/PET/PE structure and may production of other materials such as two or three layers. According to the different products of the stand-up pouch packaging, the oxygen barrier layer can be added as needed to reduce the oxygen permeability and prolong the shelf life of the product.
Ordinary standing pouch and general-purpose stand-up pouches are in the form of four-sided edges and cannot be re-closed and repeatedly opened. The self-supporting bags with suction nozzles are more convenient for pouring or sucking contents and can be re-closed and frequently opened, which can be considered as stand-up pouches and The combination of ordinary bottle mouth.
The mouth-like self-stand up bag combines the convenience of the stand-up pouch with the nozzle and the ordinary stand-up pouch, that is, the shape of the bag itself realizes the function of the nose, but the self-supporting pouch of the mouth-like type cannot be repeatedly sealed; the shaped self-stand up pouch That is, according to the needs of the product, a new kind of standing pouch of various shapes generated by the change of the traditional bag type, such as a waist design, a bottom deformation design, a handle design.