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

Foil laminate

A flexible packaging structure built around an aluminum foil layer. Provides the strongest moisture and oxygen barrier in standard pouch formats. Used for export shipments, premium products, and humid distribution environments.

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. Metallized film A flexible film with a thin vapor-deposited aluminum 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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