At present, the market share of plastic flexible packaging is expanding step by step, and it is expected that it will maintain a good growth momentum in the next few years. The flexible packaging based on plastic film plays an important role in various packaging products. The development of film has accounted for more than 40% of the total amount of plastic packaging materials. Here are some flexible packaging structures that have taken place or are changing.
The box can be opened in more ways and easier to operate. Compared with the past, the current packaging box will use some small accessories to do the switch, such as some vertical bag zipper, when using, you don't need to tear the bag, just need to open it. It has also made great progress in machinery. With the increase of functions, it can provide one-stop service from filling to packaging in the shortest time.
Clear high barrier film. The barrier performance of new generation clear film and coating is approaching to that of thin metal sheet and aluminized film. It provides an opportunity for people to see the appetizers visually. The packaging structure is also convenient for heating food in the microwave oven.
Preferred packaging for new products. After years of development, it is generally believed that flexible packaging will sweep all products. Typical examples are tuna and pet food. After decades of canned packaging, sterilized packaging bags are popular. Recently, baby food glass bottles have been replaced by sterilized packaging bags.
One step ahead of others. Since it's no longer a novelty to pack ketchup in larger, flexible bags, smaller bags for other condiments are not far away. The success of trial marketing in Europe, Asia and Latin America proves that this is a miracle. The new packaging of shampoo and detergent was introduced when the time was ripe, so was canned fruit.
The global cereal packaging industry is moving forward slowly. Whether in the low-end or high-end market, flexible packaging has entered the sight of cereal manufacturers. But experts admit that if we want to change to flexible packaging in a short period of time, manufacturers will invest a lot in packaging machinery. Moreover, although renewable resources have many advantages, it is not possible to replace flexible packaging materials with recycled cardboard directly. Mainly because flexible packaging does not mean that consumers in the whole country, especially Americans, will accept it.
There will be more layers in the compound extrusion process. On hearing this, I think this statement is wrong. In fact, adding layers in the flexible packaging structure can save cost and increase performance. What's going on? It requires more precise control of layers. The 3-5-layer film compound extrusion production line is subject to the size of the extruder and the design of the die. The 7-9-layer compound extrusion line can produce better performance and thicker flexible packaging materials, and the cost will be lower because there is no need to redesign the structure. One is to use cheaper resin as expansion layer material. Another is to separate the damp proof layer into two thinner layers, one of which is reserved to prevent pinholes from connecting with other layers. This method also increases the number of moisture-proof surfaces, thereby further reducing permeability. There are a variety of technologies that can separate the moisture-proof material into many layers, and there are data showing a linear improvement in water resistance.
Suitable soft package shape. Contemporary packaging styles can design more shapes than ever before. Packaging consumer goods companies are eager for new packaging shapes, and it is very important for them to highlight the products on the shelf. Almost minus two curved spaces, this shape of vertical bag is no longer popular, although almost all the machines of the outside machinery company are producing this kind of conical vertical bag. At the same time, with the complexity of vertical bag shape, how to restrain design waste is a challenge.
Packaging bags have a wide range of effects. Because the packaging bag structure can be customized according to the requirements, many new product physical structures have emerged: liquid, sticky, powder, granular and particulate. As a result, there is an intersection between products, including food and beverage, cosmetics, health care, pet food, cars, drugs and agricultural products. At present, the filling speed of flexible packaging has not reached the speed of common packaging boxes, but the gap is narrowing, especially in the field of dry products.
Although the production capacity of plastic flexible packaging industry is developing rapidly, flexible packaging enterprises must keep up with the pace of market recovery and timely and effectively adjust the product structure. Although the potential is important, finding the right direction is the key to the enterprise's sustainable development. We should spare no effort to study the market and demand, carry out deep-seated development, pay attention to the improvement of quality, and develop functional packaging materials with certain technical content to meet the new round of global green economy. Product packaging should be changed from simple, protective and passive packaging to brand, market-oriented and active packaging.