PTP (Druk deur Pak) blisterfoelie is 'n tipe farmaseutiese verpakkingsmateriaal wat gebruik word vir die verpakking van vaste orale doseervorme, soos tablette en kapsules. It consists of multiple layers that serve different purposes. The typical structure of PTP blister foelie 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, lig, en suurstof.

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, en vervaardigerbesonderhede.

Aluminiumfoelie laag: The aluminum foil layer is the core component of PTP blister foil. It provides excellent barrier properties, effectively protecting the medication from moisture, lig, gasse, en kontaminante. Aluminum foil is typically around 20-30 mikron dik.

Hitte seël lak: 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 of PVDC Laag: In sommige gevalle, a layer of polyvinyl chloride (PVC) or polyvinylidene chloride (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, produk vereistes, and regional regulations. Different combinations of materials may be used to achieve the desired barrier properties, drukbaar, en gemak van gebruik.