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Freeze-Dried-Fruitcom
The field guide to freeze-dried fruit quality, processing, and market trends.
Glossary · Packaging

Metallized film

A flexible film with a thin vapor-deposited aluminum layer. Offers stronger humidity and oxygen protection than clear structures at lower cost than full foil. Common for mainstream freeze-dried fruit snack pouches.

Related terms in Packaging

Barrier film The multilayer plastic structure used to make freeze-dried fruit pouches. WVTR (Water Vapor Transmission Rate) The rate at which water vapor passes through a barrier film under defined conditions, typically reported in g/m²/day. OTR (Oxygen Transmission Rate) The rate at which oxygen passes through a barrier film, typically reported in cc/m²/day. Foil laminate A flexible packaging structure built around an aluminum foil layer. Desiccant A small packet — usually silica gel or molecular sieve — that absorbs moisture inside a sealed pouch. Oxygen absorber A packet that chemically removes residual oxygen from a sealed pouch. Headspace The empty volume inside a sealed pouch above the product. Heat seal The thermally bonded edge of a flexible pouch.

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