PTP (Pencet liwat pack) blister foil minangka jinis bahan kemasan farmasi sing digunakake kanggo kemasan bentuk dosis lisan sing padhet., kayata tablet lan kapsul. It consists of multiple layers that serve different purposes. The typical structure of PTP blister foil includes:

Protective Layer: The topmost layer of the foil is a protective layer, often made of polyester (PET). It provides protection against external factors such as moisture, cahya, lan oksigen.

Printing Ink: A layer of printing ink may be applied on top of the protective layer. It can contain important information such as product name, Dosis, lan rincian pabrikan.

Lapisan foil aluminium: The aluminum foil layer is the core component of PTP blister foil. It provides excellent barrier properties, effectively protecting the medication from moisture, cahya, gas-gas, lan rereged. Aluminum foil is typically around 20-30 kekandelan mikron.

Panas Seal Lacquer: The aluminum foil layer is coated with a heat seal lacquer on the inner side. This lacquer allows the foil to be heat-sealed to the blister packaging during the packaging process. It ensures the integrity and tamper-evident properties of the blister pack.

PVC utawa PVDC Lapisan: Ing sawetara kasus, lapisan polyvinl klorida (PVC) utawa polyvinylidene klorida (PVDC) may be present on the bottom side of the aluminum foil. PVC or PVDC provides additional barrier properties and enhances the stability of the packaged medication.

It’s important to note that the specific structure of PTP blister foil can vary depending on the manufacturer, syarat produk, and regional regulations. Different combinations of materials may be used to achieve the desired barrier properties, bisa dicithak, lan ease saka nggunakake.