All kinds of food packaging

With the rapid development of food packaging R&D technology, new items and technologies in the packaging industry have emerged one after another. A group of new products with unique features in food packaging are moving into the market and are highly favored by the packaging industry.

(1) Fresh-keeping containers Hokkaido Aquatic Food Co., Ltd., Hokkaido, Japan developed a fresh-keeping container for live shrimp. The packing box has a three-layer structure. The inner layer is a watertight vinyl box. The box contains water and live shrimp. The foam styrene is used as the outer layer. There is a space of about 5 centimeters between the two layers. Broken ice or chemical refrigerants. The inner box is filled with seawater that has been sterilized and injected with a certain amount of oxygen. The live shrimp can be transported by placing it in the water and the survival rate can reach over 90%.

(2) “Air Conditioning” Packages A company in the United States invented a new method of reducing the oxygen and nitrogen content of fruits and vegetables in the packaging box. This method uses a new type of air-conditioning packaging box for air transportation. The packaging has a special layer. The film, the film fiber can absorb oxygen molecules and allow nitrogen to pass through, so that after the air passes through the film into the packing box, the nitrogen content in the box can be as high as 98%, so that the respiration of the fruits and vegetables is slowed down, and the freshness is maintained for a long time. purpose.

(3) paper tape wooden box

The two companies in the United Kingdom and Japan jointly produced TAR-WALLPAK corrugated cardboard, a new packaging material with paper tape, and its technical performance complies with the US national standard PPD-B-640D and the world's 42 national government standards. The corrugated cardboard packaging box has a large capacity, light weight, a box weight of only 25%-30% of the weight of the wooden box with the same volume; high strength, good water resistance, strong sealing, good buffering effect; flexible and diverse, saving storage space, suitable It is convenient for stacking and stacking; individual specially designed packaging cartons can be reused.

(4) Packing boxes for fresh fruits and vegetables The Japan Food Distribution Systems Association recently developed a new packaging box for fresh fruit and vegetables, which uses a "Ristol stone" of silicate as an additive for pulp. This kind of stone powder has a unique adsorption effect on various gases; in particular, it has a long-term preservation effect, and the weight of fresh fruits and vegetables stored in this fresh-keeping packaging box will not be reduced, and it is unique for long-distance storage and transportation. Another company in Japan also produced a fruit fresh-keeping packaging box that added a layer of polyethylene film on the corrugated paper liner of the corrugated carton and then applied a layer of waterproof wax coating containing trace amounts of fruit disinfectant to prevent fruit. Evaporation of water and inhibition of respiration achieve fresh-keeping purpose and the preservation period lasts up to one month.

(5) Thin cardboard box A British company recently developed a new type of thin cardboard box, which is mainly used for packaging of food packaging and office paper. This thin cardboard box is divided into two separate upper and lower parts: the lower part occupies about 1/3 of the height of the entire carton, and the two sides have two handles; the upper part is a square paper shell with the height of the whole box, cover the shell in the Beyond the bottom of the carton, it becomes a complete box. When using it, carry it through the bottom handle and the contents will not be tilted down.