The main purpose of packaging are to hold its contents securely to prevent leakage and breakage, to protect the foods from different hazards like germs, heat, moisture loss or moisture pick up, etc., to protect the contents while distribution, etc. For all types of packaging, there are different types of packages. The different types of packages can be classified into two groups:
Retail Containers: These containers protect food or the content from different damages and at the same time they advertise the product for retail sale. For example, glass bottles, sachets, over wraps, plastic bottles, metal cans, etc. They can be used for home storage also.
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Shipping Containers: These containers contain and protect food and other items during distribution and transport or any other marketing function. For example, sacks, stretch or shrink wrapped containers, corrugated fire board cartons, drums, barrels, crates and foil bags.
Industrial packaging materials are different from the traditional packaging materials. Different types of industrial packaging materials include:
There are many other types of packages like polypropylene, coated films, laminated films, coextruded films, rigid and semi rigid plastic containers and many more. Each of these containers have individual advantages and own quality.