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Food packaging bags, as an important part of food commodities, both keep food itself the function of stable quality, the appearance and performance, in order to attract consumer's external image features.Food packaging bags have the following functions:
1, Physical protection
Storage in the sack of food need to avoid extrusion, collision, vibration, temperature and so on.
2, Shell protection
Shell to be able to make food and oxygen, water vapor, stains, such as seepage prevention is also the necessary factors of packaging design.Some packaging include the desiccant or deoxidizer, to extend the shelf life.Vacuum packaging or go to the air inside the bag is the main method of food packaging.Save the food within the shelf life of clean, fresh and safety is the first function of packaging.
3, The same packaging
The same kinds of small objects into a package is a good way to save the volume.Powder and granular objects need to encapsulate.
4, Convey information,
Packaging and labeling tell people how to use the packaging or food, transport, recycling or processing.
5, The marketing
Marketing often use packaging label to encourage potential buyers to purchase goods.Packaging design for decades has become an important and constantly changing phenomenon.Sales and marketing communications and graphic design is applied to the outer packing box display window.
Packaging can reduce transportation play an important role in the safe risk.Packaging can also avoid food to other goods.Food packaging can reduce food was stolen.Some food packaging is very strong and have anti-counterfeiting mark, the role is to protect the interests of businesses from losses.Packaging can have laser logo, special color, SMS certification labels, etc.Other retailers to prevent theft, with electronic monitoring label on food packaging bags, such as the export of consumers to shop for demagnetization.
Packaging may be easy to acquire, loading and unloading, stacking, display, sales, open, reshipment, use and reuse.
8, Part of the control
A single packaged help to accurately control the overall situation.Such as salt in packaging can know inventory.It is easy to calculate the sales, such as dairy company delivery and recovery of milk bottles, filling rather than let the consumers themselves.