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Which of the following is the best Oxygen barrier?

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+2 votes
in Food Packaging Technology by (63.0k points)
Which of the following is the best Oxygen barrier?

(a) EVOH

(b) PS

(c) PE

(d) PP

The question was asked during an internship interview.

Question is taken from Diffusivity and Permeability in Plastics in portion Thermoplastic Polymers Properties & Processing of Food Packaging Technology

1 Answer

+1 vote
by (194k points)
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Best answer
Correct option is (a) EVOH

The explanation is: Amongst the following, EVOH is the best Oxygen barrier as it has low Oxygen transmission rate. Plastic films with low oxygen transmission rate are good barriers and plastic films with higher oxygen transmission rates are poor barriers.

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