Retort pouch is a special package in which the perishable food items are preserved by physical and chemical means. It is a flexible laminate, which can with stand thermal processing and combines the advantages of the metal can and boil in bag.
Ready to use retort pouches are flexible packages made from multilayer plastic films with or without aluminium foil as one of the layers.
Unlike the flexible packages, they are made up of heat resistant plastics suitable for processing in retort at 121°C.
It can withstand toughness and rigors of handling and distribution.
It is heat sealable and has good barrier properties.
Retort packs in India
A 3 ply laminate consists of polyethylene/Al foil/Polypropylene is used for packing ready to eat retort packed foods. The product packed has shelf life of one year.
The other materials used are nylon, silica coated nylon, ethylene vinyl alcohol (EVOH) and poly vinyledene chloride (PVDC).
Last modified: Thursday, 12 January 2012, 12:36 PM