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Which is the thinnest layer in Tetrapak?

(a) Polyethylene

(b) Paper

(c) Nylon

(d) Aluminium

The question was asked by my college director while I was bunking the class.

This question is from Food Packaging Materials in portion Food Packaging Materials, Packaging Standards and Regulation Laws of Food Packaging Technology

1 Answer

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Best answer
The correct answer is (d) Aluminium

Easiest explanation: Aluminium foil is the thinnest layer in Tetrapak(paperboard carton). It is around 7 microns in width. Aluminium provides the best gas barrier and prevents exposure to sunlight.

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