Package and packaging have different applications and purposes
Barrier from oxygen, water vapour, dust and other is often required. Penetration is a critical factor in design and is important for the extension of shelf life. Modified or controlled atmosphere are also retained in certain food packaging. Keeping the content clean, fresh and safe for the expected shelf life is a basic function.
Packages and labels can be used by traders to encourage potential buyers to purchase the product. Food aesthetically pleasing and winning presentations can encourage people to see the content. The design of the packaging is important and constantly evolving phenomenon for several decades. Marketing communications and graphic design are applied on the surface of the package.
Packages can play an important role in reducing security risks during transport. Packaging can be made with improved handling resistance to prevent undue manipulation and may have clear intervention characteristics to help you use them.
Packages can have features that add convenience in distribution, handling, stacking, display, sale, opening, reclosing, use, and reuse.
Grouping or agglomeration
Small items are usually grouped together in one package in order to allow effective handling. Liquids, powders and granulated materials require retention in the package.
Packages and labels give information how to use, transport, recycle, and throw away the packaging or the product. Governments require some types of information.
The food enclosed in the package may require protection from: shock, vibration, compression, temperature, bacteria, etc.