Question

Which of the following is the abrasion resistance layer in a retort pouch?

(a) Polypropylene

(b) Nylon

(c) Aluminum Foil

(d) Polyester

I had been asked this question in quiz.

My doubt stems from Food Packaging Materials in portion Food Packaging Materials, Packaging Standards and Regulation Laws of Food Packaging Technology

Answer 1

The correct answer is (b) Nylon

To elaborate: Nylon is the abrasion resistance layer in a retort pouch. Propylene is the physical food contact layer (primary package). It is a heat seal surface and provides flexibility.