The automatic packing roll film refers to a packing material used for packing, which has stretching function. The use of automatic packing roll film can save material, labors, time. The film is used for paper-making, logistics, chemical industry, plastic raw material, building materials, food, and glass and so on. 

The automatic packing roll film can be classified into two categories as per usage, one category is used automatic packing machine that it can automatically load things and seal. The other category is a cannula plastic packing bag used for vegetable and in water. Such bag is connected to each other. When they are used, they are tore down one by one. The bottom end of them is sealed, namely a superimposed and connected plastic bag, and this is also an automatic packaging roll film. 

The automatic packaging roll film can be divided into 5 categories according to its material, including thin film of photocatalytic inorganic antibacterial agent, natural and macromolecule antibacterial film, composite antibacterial film, inorganic antibacterial film and organic antibacterial film. Each film has its own unique material composition and usage. Since the food protection of the automatic packaging roll film that it can maintain the freshness of food, prevent bacteria and dust, and prolong the shelf life of food, the automatic packing roll film is widely used. The environmental and healthy advantages of the automatic packaging roll film make it a promising packing way. In the future packaging industry, more and more packaging methods like the automatic packaging roll film will appear.