Corrugated cardboard products are evolving from a single product category to a diversified one. This analysis of the development trends and suggestions for the carton and box packaging industry is presented.

Development Trends of Cardboard Boxes and Cartons

Corrugated Board Products: From Single-Function to Diversified Development

The general development direction of packaging is to use lighter materials to reduce shipping costs; to use specially designed components and systems to shorten production time, ultimately achieving multiple packaging functions with minimal material usage.

This raises the issue of the diversification of corrugated board products. In Japan, approximately 40% of corrugated board is used to develop derivative products such as paper pallets. Learning from these experiences could significantly alleviate the severe overcapacity problem of corrugated board in my country and provide a new path for the adjustment of my country's corrugated board industry. Currently, domestic manufacturers engaged in corrugated extended products include Guilin Paper Products Packaging General Factory, Guilin Chenguang Paper Products Co., Ltd., Qingdao Zhonghe Hengye Cardboard Products Co., Ltd., China Shengbai Packaging Group Yongfengyu Paper Packaging Group Co., Ltd., Tri-wall Changzhou Production Base, Ma'anshan Tianfu Carton & Paper Products Co., Ltd., and Guangdong Zhongshan Xingda Packaging Co., Ltd., among others.

Color-box packaging is more practical and convenient.

In recent years, leading American packaging companies have launched many innovative and unique color-box packaging options, making their application in the food packaging field increasingly widespread. For example: ① Wine color-box packaging: New York-based Canandaigua Wines launched a new packaging for its new Almadern Reds – a 500ml Tetra Pak. While Tetra Pak is widely used in dairy packaging, this is the first time it has been used for wine packaging. This non-glass container is characterized by its "grab-and-go" portability, excellent durability, and easy-to-open pull tab, conveying a sense of style and the product's pure flavor, making it popular with fast-paced consumers. The product has a shelf life of 9-12 months. ② Flavoring packaging: Culinary Concepts, headquartered in Florida, USA, pioneered aseptic cardboard packaging for egg yolk lemon acorn sauce and custard in the United States. The 32-ounce lemon acorn sauce uses a Tetra Pak packaging. Its shelf life under non-refrigerated conditions is one year, with a 7-day refrigerated shelf life after opening. ③ Infant Formula Carton Packaging: Wyeth, a US company that has traditionally dominated the high-end infant formula market, has recently launched boxed infant formula, targeting the mid-range market. Using cardboard boxes for infant formula is a first in the industry, and cost reduction was Wyeth's primary consideration. Boxed formula not only meets consumer choice requirements but also has a significantly lower cost than canned formula. Cardboard packaging offers advantages such as safety, hygiene, and low cost, and represents a new trend in infant formula packaging.

Developing towards fully utilizing packaging functions and replacing high-cost, non-environmentally friendly packaging materials

With economic development, the requirements for product packaging are increasing. Corrugated cardboard boxes must not only play a functional role in protecting goods, saving costs, facilitating storage and transportation, and aiding in calculations, but also play a value-added role in beautifying goods, guiding consumption, and increasing the added value of goods. They are required to showcase the charm and effect of packaging to promote sales.

Packaging products are developing towards green packaging technologies. Implementing green packaging projects involves replacing traditional packaging materials with high-performance ones, reducing packaging costs, and utilizing advanced technologies to improve the recycling rate of packaging materials. This saves energy and resources, reduces pollution, and protects the environment. Packaging materials are developing towards energy conservation, low consumption, pollution prevention, and high functionality. The focus is on the development of new packaging materials, especially replacing imported materials to narrow the gap between product processing and raw material supply. The development of the four major substrates—paper, plastic, glass, and metal—should leverage their strengths and avoid their weaknesses, developing both multi-variety series of individual substrates and composite varieties of multiple substrates. Compared to other materials, corrugated and composite cardboard is a lightweight material with low material consumption and high strength (rigidity). In particular, composite sandwich structures have outstanding compressive and bending resistance, resulting in superior performance. Based on the aforementioned development trends in paper box packaging, the following development suggestions are made for the paper box and paper carton packaging industry:

The development of the paper box and paper carton industry should adhere to the scientific development concept.

It should emphasize resource and energy conservation and implement a circular economy.

The so-called circular economy is an economy that integrates clean production and comprehensive utilization of waste. Essentially, it is an ecological economy that requires the application of ecological principles to guide human society's economic activities.

Compared to the traditional economy, the circular economy differs in that the traditional economy is a unidirectional flow of materials consisting of "resources, products, and pollution emissions." In this economy, people excessively exploit the earth's resources and energy, and in the process of production, processing, and consumption, they release large amounts of pollution and waste into the environment. Resource utilization is often extensive and one-off, leading to the shortage and depletion of many natural resources. The circular economy, on the other hand, advocates an economic development model based on the continuous recycling of materials, forming a process of repeated circulation of materials from "resources to products to recycled resources," so that the entire economic system and the production and consumption process generate virtually no or very little waste. The circular economy is characterized by low input (Reduce), reuse (Reuse), and recycling (Recycle) of natural resources. Following the 3R principle can fundamentally eliminate the long-standing sharp conflict between the environment and development. For a long time, my country's cardboard box and paper box industry has developed extensively under conditions of high consumption, high energy consumption, and high pollution. If it continues down the path of traditional economic development, it will only delay my country's modernization process and hinder the healthy development of the packaging and printing industry. This point should be given high priority by the cardboard box and paper box industry.

Prioritizing environmental protection will greatly promote the development of cardboard boxes and paper boxes.

Since the 1990s, the United States, Canada, Japan, the European Union, and other [sensitive words] countries and regions have successively formulated strict laws restricting packaging waste. my country has also promulgated corresponding policies and regulations in recent years. Under these circumstances, paper products have unprecedented development space. Currently, paper and paperboard account for 40%-50% of all packaging materials. Corrugated composite paperboard and corrugated honeycomb composite paperboard, because they can be recycled from waste paper, will become ideal materials for the development of my country's packaging industry. Even under the impact of plastic products, paper and paperboard still receive attention, and the development and application of their products have become a hot topic in my country's packaging industry in recent years.

In late 2003, the 100% RPA (Recycled Paperboard Alliance) released a study by the Priority Group. The study showed that approximately 55% of packaging companies recognized the importance of a positive environmental image. The 100% RPA study also found that one-third of users of 100% recycled paperboard believed that paperboard materials were better than other types of packaging materials in terms of consumer preference and shelf appeal.

Last year, several Nestlé infant formula products were recalled in Italy, France, Spain, and Portugal due to suspected contamination. This was triggered by a routine quality inspection by the environmental protection agency in the Marocchia region of Italy, which found ITX (isopropyltriethionine) in aseptic composite packaging of Nestlé infant formula using UV printing technology. This was attributed to ink leakage. This incident once again highlighted the importance of food packaging safety, and environmental safety standards have become mandatory standards for packaging and printing manufacturers internationally. Objectively speaking, some domestic companies have not yet paid sufficient attention to this issue. This may be due to cost pressures or a lag in awareness. It is worth mentioning that Shenzhen Jingjia Company has taken the lead in the industry by using a US gas chromatography-mass spectrometry (GC-MS) system to ensure effective control of volatile chemical content in packaging and printing products through full-process tracking and testing of incoming raw materials and outgoing products. This practice should be strongly encouraged. Adopting environmentally friendly materials and technologies often requires corresponding modifications and adjustments to production technology and equipment, as well as a certain amount of capital investment. The experience of developed countries has proven that such investment is indispensable; early investment yields early benefits, otherwise, a greater cost will be incurred. It is necessary to meet the needs of packaging materials while rejecting excessive packaging.

Carton and box packaging should be adapted to the specific requirements of the product. For example, pharmaceutical paper packaging boxes belong to the category of special packaging. They possess both general packaging attributes and special characteristics. For example: ① They should protect the medicine from environmental influences during storage and use, maintaining the original properties of the medicine; ② The properties of the pharmaceutical packaging material itself should have a certain degree of stability during storage and use; ③ The pharmaceutical packaging material should not pollute the pharmaceutical production environment when packaging medicines; ④ The pharmaceutical packaging material and the packaged medicine should not undergo chemical or biological reactions, etc. Undoubtedly, packaging manufacturers must meet these mandatory requirements 100%. Besides its primary function, packaging serves two other purposes: firstly, protecting goods from damage and spoilage during production, transportation, warehousing, and sales; and secondly, enhancing the product's appearance, promotion, and added value. If we unilaterally and excessively exaggerate the second function of packaging, it easily leads to over-packaging. In recent years, the phenomenon of over-packaging of certain goods has become quite serious. For example, some goods are all show and no substance, attractive but unpalatable, good to look at but useless; some are bulky, empty inside, with only a tiny portion of the product in layers of bulging boxes; some appear grand and luxurious, but the packaging actually costs more than the product itself—the saying "three pounds of walnuts, four pounds of shells" is not an exaggeration.

More than 70% of all packaging waste is reducible over-packaging. Over-packaging has caused resource waste, environmental pollution, and the generation of massive amounts of waste. Currently, my country consumes 240,000 tons of paper for packaging boxes annually, equivalent to cutting down 1.68 million trees as thick as a bowl. This rapid loss of forests has caused severe soil erosion and desertification in the upper reaches of rivers, leading to an imbalance in regional ecological functions. Simultaneously, excessive packaging increases commodity costs, which are then passed on to consumers, severely infringing on their rights, encouraging unfair competition, and disrupting market order. If this unhealthy trend is not stopped, it will inevitably affect the healthy and sustainable development of the packaging and printing industry. <i>Actively Adopt New Technologies and Increase Innovation</i> Actively Adopt Flexographic Printing Technology in Carton and Box Production

As environmental awareness grows, people will increasingly value the use of flexographic printing technology for producing cartons, boxes, and other packaging and printed products. Flexographic printing is a pollution-free, environmentally friendly printing method that provides a comfortable working environment for operators. In particular, the production of water-based inks and varnishes has enabled printing comparable to traditional processes. For example, in the label printing of internationally renowned brands such as Coca-Cola and Pepsi, Chinese products have reached international standards. With people increasingly valuing green packaging and environmental protection, the adoption of flexographic printing technology is imperative, especially for food, pharmaceutical, cosmetic, and odor-sensitive products such as cigarettes, where flexographic printing demonstrates its advantages.