While oxygen gets most of the attention, moisture, light, and external odors are equally destructive to product quality. The aluminum foil layer in our PET/AL/PE structure provides complete protection against all of these threats simultaneously.
Moisture Barrier: Moisture causes powdered products to clump, snacks to lose crispness, and dried foods to spoil. Aluminum foil provides a Water Vapor Transmission Rate (WVTR) of effectively zero. No moisture gets in. No moisture gets out. Your product stays exactly as it was when packaged.
Light Barrier: Light, especially ultraviolet (UV) radiation, is a powerful catalyst for chemical reactions. It fades colors, breaks down vitamins, and accelerates fat oxidation. Aluminum foil is completely opaque. It blocks 100% of light, protecting light-sensitive products like coffee, spices, nutritional supplements, and certain pharmaceuticals.
Odor Barrier: In retail environments, products sit next to each other. A bag of coffee can absorb the smell of cleaning supplies. Dried mushrooms can take on the aroma of nearby spices. Aluminum foil creates a complete barrier against odor migration, preserving your product's authentic aroma and preventing it from being contaminated by its neighbors.
For premium products where sensory experience is everything, this multi-threat protection is invaluable.