Given below are the plastic packaging materials used in the food industry.
(A). Polyethylene naphthalate
(B). Ethylene Vinyl Alcohol
(C). Nylon MXD6
(D). Ethylene Vinyl Acetate
Choose the correct plastic material that is/are used as oxygen barrier materials from the options given below:
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EVOH and polyamides (like Nylon MXD6) are the gold standards for oxygen barriers in food packaging. They are typically co-extruded as a thin middle layer within flexible packaging structures.