Kerajang berbentuk sejuk aluminium ialah sejenis bahan pembungkus farmaseutikal khas yang direka untuk pembungkusan tablet dan kapsul farmaseutikal yang selamat dan melindungi. Ciri-ciri struktur kerajang aluminium berbentuk sejuk perubatan mempunyai banyak kebaikan:

.Struktur berbilang lapisan: Aluminum cold-formed foil is usually composed of multiple layers of materials, each with a specific function. Typical structures include:

1. Polivinil klorida (PVC) layer: forms the innermost layer and is in direct contact with the drug.

2. Aluminum foil layer: This is a barrier layer that provides protection against moisture, oksigen dan cahaya.

3. Polivinilidena klorida (PVdC) layer: This layer enhances the barrier properties, especially for moisture and gases.

4.Sealing layer: The sealing layer helps seal the blister pack securely to prevent tampering and contamination.

Aluminum cold-formed foil provides a safe and protective packaging solution for pharmaceutical products, helping to maintain the integrity and efficacy of the encapsulated pharmaceutical products. Ciri-ciri strukturnya disesuaikan dengan keperluan khusus industri farmaseutikal, memastikan keselamatan produk, pematuhan dan kemudahan.