Q. What’s the difference between retort and aseptic packaging?
A. A retort pouch is a type of food packaging made from a laminate of flexible plastic and metal foils. It allows sterile packaging for a wide variety of food and drink handled by aseptic processing, and is used as an alternative to traditional industrial canning methods
Aseptic packaging is a processing technique wherein commercially thermally sterilised liquid products. These are packaged into previously sterilised containers under sterile conditions to produce shelf-stable products that do not need refrigeration.
Q. Difference between the stretch wrap and shrink wrap
A. Stretch wrap is a highly stretchable plastic film that is wrapped around items. The elastic recovery keeps the items tightly bound. In contrast, shrink wrap is applied around an item and shrinks tightly with heat.
Shrink wrap is a material made up of polymer plastic film. When heat is applied, it shrinks tightly over whatever it is covering.