High Barrier Films – ALox

What they are

Barrier films are the functional heart of a high-performance laminate — the layer that determines how long your product stays fresh. By blocking oxygen and water vapour, they slow the spoilage, rancidity, moisture pickup and aroma loss that shorten shelf life, and they provide the barrier that modified-atmosphere (MAP) packing depends on.

We offer two routes to that barrier, so you can match protection to how the pack needs to look:

Metallized films (MET-PET / MET-BOPP) — an opaque aluminium-metallized layer delivering strong oxygen and moisture barrier at low cost. The established workhorse for snacks, confectionery and dry foods where product visibility isn’t required.

AlOx-coated films (transparent barrier) — a clear aluminium-oxide coating that delivers high oxygen and moisture barrier while keeping the pack fully transparent. It replaces foil and metallized layers where the brand wants the product visible on shelf — and because the coating is non-metallic in effect, packs still pass end-of-line metal detection.

Barrier grade, structure and gauge are engineered per order. Tell us the product and target shelf life and we’ll spec it.

Where they’re used

• Snacks & dry foods — chips, namkeens, nuts, coffee and dry mixes that need protection from oxygen and moisture.
• Confectionery & bakery — aroma retention and freshness over long shelf life.
• Transparent-pack products — where the brand wants the product visible on shelf without losing barrier (AlOx).
• Pharma & sensitive goods — high-barrier protection for moisture- and oxygen-sensitive contents.
• MAP applications — as the barrier layer holding the modified atmosphere in gas-flushed packs.

Metallized vs. AlOx — which to choose

Choose metallized when you want maximum barrier at the lowest cost and product visibility doesn’t matter — the proven choice for opaque snack and confectionery packs.

Choose AlOx when the pack needs to be transparent, when end-of-line metal detection matters, or when you’re moving toward recyclable mono-material structures — barrier performance without the opacity of foil or metal.

Why buyers choose Snap Corp

Barrier matched to your product and your pack. Opaque or transparent, specified around your target shelf life — not a one-size barrier.

Built into the structure. Barrier films engineered as the functional layer within your laminate, printed and converted in the same coordinated process.

Shelf life you can plan around. Consistent, high-barrier films that protect freshness through storage, transit and time on shelf.

One partner, whole chain. Extrusion through printing, lamination and slitting — coordinated for dependable consistency and turnaround on bulk orders.