What Are Some Common Materials Used in Barrier Packaging?
Common materials used include: - Plastics: Such as polyethylene and polypropylene, which provide good barrier properties. - Metals: Aluminum foil is often used for its excellent barrier against light, oxygen, and moisture. - Glass: Provides a high barrier against gases and moisture, often used for pharmaceuticals. - Multi-Layer Composites: Combining different materials to enhance barrier properties.