Children's food compound bag cold knowledge, do you understand?

The traditional children's food packaging is glass and metal products, with good barrier property, can prevent foreign material contamination, can preserve food for a long time. With the development of the society and the requirements of consumers, of course, children's food compound bag also appeared some innovation. Instant children's food, it is a dry product, adding water when eating, it does not need to be frozen, so the main packaging requirement is in the process of the distribution of the products, there can be no infiltration of moisture. Britain in the 1960 s is the first composite flexible packaging bags, then appeared the spiral wound composite cans, used to pack dry grain, such as: ionic made composite resin/AL foil/LDPE/paper cans packaging. You can also use the heat sealing layer/aluminum foil/PET/paper. Children with dehydrated fruits and vegetables, meat packing in the 1980 s British common with composite cans, is the inner paper/LDPE/aluminum foil/ionic resin, the center layer is board, can provide rigid; And the outer is a paper label. Top and bottom is aluminum foil, and using the PE cover can be opened and closed again. The listen to the tank can be in metal cans of filling on the assembly line production, for the shelf life of two years. Toys, dry food, need to have resistance to grease packaging, and have a good cleaning, box is the most widely used form of toys, food packaging. Paper bag or inner packed with PE or PP coating printing varnish protection tile's food packaging paper bags are widely used. For water content below 35% half tide sex food, traditionally use metal cans packaging, in order to save weight and the cost can also use the soft structure of spiral wound cans, paper/LDPE/aluminum foil/ionic resin. Printing varnish coating top use surface or comply with a layer of OPP film. Ionic copolymer resin or acid sealing layer can have a strong sealing and fat resistance. In addition there is a structure is: paper/bondability resin/metallized OPP/heat sealing layer. Liquid and semi-solid children's food & ndash; — Fruit juice is the first to use plastic bags of instant children's food, which is pretty high acid composition of fruit juice, with tomato sauce bottles to expand the application range of a long period of the success of the packing case, generally have the shelf life of 15 months. For tomato sauce, PP/reworked material/EVOH/PP/bondability resin/PP resin bonding structure of 113 g of thermoforming container has replaced about a quarter of the glass container. To use the standard button cover for glass container, compound can also be used on the tank container. Is filling fruit juice products, and plastic containers in the process of disinfection, and the cooling fluid to produce vacuum, to flush the tank with water vapor space. Using PP/resin bonding/PVDC resin bonding/PP structure also has ten months shelf life. More common in Europe, tetrahedral asepsis packing carton. In you master these children's food packaging composite film bags of knowledge, with counterparts in the flexible packaging industry, you can show off your knowledge.
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