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The Principle of Preservation of PP Plastic Lunch Box

1. The role of plastic bento boxes


(1) The plastic lunch box can prevent moisture from dissipating and play a role in sealing.


(2) Plastic lunch boxes prevent food from losing its original flavor during storage.


(3) Plastic lunch boxes can isolate the air and prevent food from oxidizing (infecting).


2. The preservation principle of PP plastic bento boxes of different shapes


The plastic bento boxes of different shapes can store different things and are more convenient to use. In addition to the common squares, rectangles, and circles, there are also suits designed for picnics, which make life easier and more convenient.


(1) Square PP plastic lunch box


This bento box has excellent sealing performance, is suitable for storing food, can prevent the occurrence of peculiar smell in the refrigerator, and is suitable for storing various seasonings, leftover food, leftover canned food, fruits and vegetables. Easy to use in refrigerators, freezers, microwave ovens, and other uses.


(2) Rectangular PP plastic lunch box


This bento box is suitable for storing bacon and meat food. There is a catch plate, so it is easy to store food with moisture. The large-capacity rectangular PP plastic lunch box is suitable for preserving fruits, vegetables and seafood, etc.


(3) Round PP plastic lunch box


This bento box is suitable for long-term storage of various condiments, canned fruits, miscellaneous grains, nuts, tea and other foods, and is easy to use in refrigerators, freezers, and microwave ovens. The oval design is suitable for storing beverages, children's milk and various grains, nuts and teas, etc. when traveling in the wild.


(4) Tall PP plastic lunch box


The bento box is suitable for storing long-shaped foods such as noodles and cucumbers. Because the size of the high-tube PP plastic lunch box is higher than that of the general PP plastic lunch box, the processing technology has high requirements on the size of the mold and the removal of the mold. Therefore, there are not many manufacturers that can produce high-tube PP plastic lunch boxes on the market, and there are relatively few products.

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