Corrugated cartons are an essential packaging container for packaging and transportation. It is light, strong, and protects goods. It is convenient for loading, unloading, transportation, etc. It is widely used in transportation packages such as household appliances, textiles, and foods. With the development of the commodity market, the amount of carton packaging has increased year by year. At present, the domestic sales of carton boxes are growing at a rapid rate. In 1996, the sales volume of carton boxes reached 8 billion square meters, which increased to 12.5 billion square meters in 2000. By the middle of 2002, it has increased by about 1.5 times.
Corrugated carton is a very good packaging material, which can be replaced by paper, wood, paper, plastic, and paper materials can be recycled, is a green packaging material, and therefore be valued by environmental protection modern society, has a good development prospects. The development of the carton industry will inevitably lead to the development of the paper and machinery manufacturing and auxiliary materials industries. Therefore, people in the industry believe that the production of corrugated paper and machinery must be accelerated.
Corrugated paper tends to be high-intensity, low-quantity and low-cost. Due to rapid economic growth and rising consumption levels, it is estimated that by 2005 China's annual consumption of paper and board will reach 50 million tons, and the corrugated paper market will consume 15 million tons. Compared with foreign countries, China's corrugated base paper is generally high-quantitative, and there are few high-strength corrugated base papers. Due to the lack of wood pulp and value-added paper, many paper mills are reluctant to produce high-strength corrugated base papers and generally produce low- and medium-strength corrugated base papers. And the scale is not large, so high-strength corrugated base paper can only rely on imports. There are not many corrugated paper projects planned for expansion in China. It is reported that there are two new high-strength corrugated paper projects in Guangdong Xiaolong and Zhejiang Jingxing. By 2005, there will be at least 1 million tons of gaps. At present, the import volume of high-strength corrugated paper is still growing.
At present, the supply of high-strength corrugated base paper in China is insufficient, and the demand is large. The current corrugated paper supply system based on middle- and low-grade products cannot meet the increasing demands of users for product quality, so only a large amount of high-strength corrugated base paper is available. Rely on imports. There are three main reasons for this situation: First, due to the low value-added value of corrugated paper for a long time, paper mills that produce packaging paperboard generally favor kraftlinerboard, whiteboard paper and other products with high added value and large demand. There are not many corrugated paper projects planned for expansion. Second, the rapid development and improvement of domestic paper product packaging has boosted the demand for domestic high-strength corrugated base paper and kraft linerboard. Third, the international market for corrugated paper in the near future has continued to be weak, and supply exceeds demand. However, the high-strength corrugated base paper market in China is in short supply.
From the perspective of market demand, domestic high-strength corrugated base papers are a major trend toward low-quantity, high-speed, and full-size specifications. The demand for medium-high-strength corrugated base paper is relatively large, and the price of corrugated base paper will increase. At present, reducing costs and reducing quantification are two major topics in the development of corrugated base paper.
Corrugated paperboard ration should be further reduced. Corrugated board is formed by bonding paper, liner paper, core paper and corrugating medium paper processed into undulations. According to the requirements of commodity packaging, corrugated board can be processed into single-layer, three-layer, five-layer, seven-layer, nine-layer corrugated cardboard, and then printed, slotted or die-cut to form a cardboard box. In the past decade or so, according to the needs of environmental protection and the requirements of relevant national policies, there has been a tendency for corrugated boxes to gradually replace wooden boxes and plastic boxes.
Based on environmental considerations and cost considerations, the quantitative basis of corrugated board, including boardboard paper and corrugated medium, must be reduced. The traditional corrugated type is A, B, C, D, E type, which is mainly used in cartons with high strength requirements. In recent years, F, N and G corrugated corrugations have been produced on the market. Their strength is much lower than that of conventional corrugated corrugations and is suitable for the use of low-volume corrugated base papers. It is now able to produce 90-115 g/m2 of corrugated paper and it is expected that 60-90 g/m2 of corrugated paper will be produced in the future. As a result, the quantification of corrugated board is reduced from the original 1000 to 1100 g/m2 to the present. At 600 g/m2, corrugated board in some countries is only 500 g/m2. However, corrugated paperboard in China is currently highly quantified. Therefore, a considerable amount of high-strength corrugated paper must be imported each year, wasting a lot of resources.
Corrugated board machinery should strengthen the division of labor and professionalism According to industry insiders, at present, there are generally three types of production equipment for corrugated board and corrugated boxes in China.
First, the traditional single machine is a single production process. It must be formed through dozens of processes such as batching, cutting, splicing, printing, tamping, gluing, slitting, grooving, chamfering, nail packing, and packing. Carton, this process was basically eliminated in developed regions such as Guangdong, Jiangsu, Zhejiang, Shanghai, Beijing and Tianjin.
The second is the single-faced corrugated unit, which was developed in the late 1980s in China. It replaces the traditional single-machine production of corrugated cardboard and is suitable for small and medium-sized carton enterprises. Its production efficiency and product quality are improved one step better than stand-alone, and it is highly adaptable. With the development of corrugated board production lines, the production efficiency and product quality of corrugated single-sided units have fallen behind. (To be continued)
Corrugated carton is a very good packaging material, which can be replaced by paper, wood, paper, plastic, and paper materials can be recycled, is a green packaging material, and therefore be valued by environmental protection modern society, has a good development prospects. The development of the carton industry will inevitably lead to the development of the paper and machinery manufacturing and auxiliary materials industries. Therefore, people in the industry believe that the production of corrugated paper and machinery must be accelerated.
Corrugated paper tends to be high-intensity, low-quantity and low-cost. Due to rapid economic growth and rising consumption levels, it is estimated that by 2005 China's annual consumption of paper and board will reach 50 million tons, and the corrugated paper market will consume 15 million tons. Compared with foreign countries, China's corrugated base paper is generally high-quantitative, and there are few high-strength corrugated base papers. Due to the lack of wood pulp and value-added paper, many paper mills are reluctant to produce high-strength corrugated base papers and generally produce low- and medium-strength corrugated base papers. And the scale is not large, so high-strength corrugated base paper can only rely on imports. There are not many corrugated paper projects planned for expansion in China. It is reported that there are two new high-strength corrugated paper projects in Guangdong Xiaolong and Zhejiang Jingxing. By 2005, there will be at least 1 million tons of gaps. At present, the import volume of high-strength corrugated paper is still growing.
At present, the supply of high-strength corrugated base paper in China is insufficient, and the demand is large. The current corrugated paper supply system based on middle- and low-grade products cannot meet the increasing demands of users for product quality, so only a large amount of high-strength corrugated base paper is available. Rely on imports. There are three main reasons for this situation: First, due to the low value-added value of corrugated paper for a long time, paper mills that produce packaging paperboard generally favor kraftlinerboard, whiteboard paper and other products with high added value and large demand. There are not many corrugated paper projects planned for expansion. Second, the rapid development and improvement of domestic paper product packaging has boosted the demand for domestic high-strength corrugated base paper and kraft linerboard. Third, the international market for corrugated paper in the near future has continued to be weak, and supply exceeds demand. However, the high-strength corrugated base paper market in China is in short supply.
From the perspective of market demand, domestic high-strength corrugated base papers are a major trend toward low-quantity, high-speed, and full-size specifications. The demand for medium-high-strength corrugated base paper is relatively large, and the price of corrugated base paper will increase. At present, reducing costs and reducing quantification are two major topics in the development of corrugated base paper.
Corrugated paperboard ration should be further reduced. Corrugated board is formed by bonding paper, liner paper, core paper and corrugating medium paper processed into undulations. According to the requirements of commodity packaging, corrugated board can be processed into single-layer, three-layer, five-layer, seven-layer, nine-layer corrugated cardboard, and then printed, slotted or die-cut to form a cardboard box. In the past decade or so, according to the needs of environmental protection and the requirements of relevant national policies, there has been a tendency for corrugated boxes to gradually replace wooden boxes and plastic boxes.
Based on environmental considerations and cost considerations, the quantitative basis of corrugated board, including boardboard paper and corrugated medium, must be reduced. The traditional corrugated type is A, B, C, D, E type, which is mainly used in cartons with high strength requirements. In recent years, F, N and G corrugated corrugations have been produced on the market. Their strength is much lower than that of conventional corrugated corrugations and is suitable for the use of low-volume corrugated base papers. It is now able to produce 90-115 g/m2 of corrugated paper and it is expected that 60-90 g/m2 of corrugated paper will be produced in the future. As a result, the quantification of corrugated board is reduced from the original 1000 to 1100 g/m2 to the present. At 600 g/m2, corrugated board in some countries is only 500 g/m2. However, corrugated paperboard in China is currently highly quantified. Therefore, a considerable amount of high-strength corrugated paper must be imported each year, wasting a lot of resources.
Corrugated board machinery should strengthen the division of labor and professionalism According to industry insiders, at present, there are generally three types of production equipment for corrugated board and corrugated boxes in China.
First, the traditional single machine is a single production process. It must be formed through dozens of processes such as batching, cutting, splicing, printing, tamping, gluing, slitting, grooving, chamfering, nail packing, and packing. Carton, this process was basically eliminated in developed regions such as Guangdong, Jiangsu, Zhejiang, Shanghai, Beijing and Tianjin.
The second is the single-faced corrugated unit, which was developed in the late 1980s in China. It replaces the traditional single-machine production of corrugated cardboard and is suitable for small and medium-sized carton enterprises. Its production efficiency and product quality are improved one step better than stand-alone, and it is highly adaptable. With the development of corrugated board production lines, the production efficiency and product quality of corrugated single-sided units have fallen behind. (To be continued)
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