Why is the cooking bag called "soft can"? What are its advantages and characteristics

　　Cooking bag is a kind of composite plastic film bag which can be heated. It has the advantages of can container and boiling water resistant plastic bag. Therefore, it is also called "soft can". After more than a decade of use, it has proved to be an ideal selling packaging container.

　　The cooking bag is mainly composed of three layers of material. The typical cooking bag structure is: the outer layer is polyester film for strengthening; The middle layer is aluminum foil for light, moisture and air leakage; The inner layer is polyolefin film (such as polypropylene film) for thermal bonding and food contact.

　　In terms of food packaging, cooking bags have many unique advantages compared with metal canned containers and frozen food packaging bags:

　　1. Maintain the color, aroma, taste and shape of food. The cooking bag is thin, which can meet the sterilization requirements in a short time and preserve the original color, aroma, taste and shape of the food as much as possible.

　　2, easy to use. The cooking bag can be opened easily and safely. To eat, put the food bag into boiling water and heat for 5 minutes before opening and serving, or even without heating.

　　3, convenient storage and transportation; The cooking BAG is light in quality, can be stacked and stored, occupies a small space, after packaging food, occupies a smaller space than metal cans, can make full use of storage and transportation space, save storage and transportation costs.

　　4, save energy; Because THE COOKING bag IS thin, it can reach the bacteria lethal temperature faster when heated, and it uses 30 to 40 percent less energy than the tin can.

　　5, easy to sell; Cooking bags can be packed or combined according to the market needs of different food, customers can choose and buy at will, in addition, due to the exquisite decoration, also greatly increased sales.

　　6. Long storage time; Food packaged in cooking bags, which require no refrigeration or freezing, has a stable shelf life comparable to metal cans, is easy to sell, and is also convenient for home use.

　　7, low manufacturing cost; The composite film of cooking bag is cheaper than the metal plate, and its production process and required equipment are very simple, so the price of cooking bag is lower, cooking bag also has its shortcomings, mainly lack of high-speed loading equipment, bring some impact to mass production.

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