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The packaging technology of pharmaceuticals has experienced advances in development from raw materials to modern packaging materials. Currently, the main packaging materials for pharmaceuticals are paper, plastic, glass, and metal packaging. As the latest development of pharmaceutical packaging materials, aluminium foil for medicine is one of the main packaging trends of today’s pharmaceuticals. It is the only metal material in packaging materials, pharmaceutical aluminum foil is a pharmaceutical packaging material that has not been replaced yet.
Medicinal aluminum foil is aluminum foil used for pharmaceutical packaging, referred to as pharmaceutical aluminium foil or medicine foil. The application of medicinal aluminium foil in pharmaceutical packaging includes: tablet and capsule blister packaging (PTP), powder granules and water-based bag-shaped packaging, aluminum-plastic composite bottle cap, aluminum-plastic sealing gasket and alu alu foil packaging, among which aluminum plastic blister packaging is the main application, with the advantages of moisture-proof, light-proof, convenient, safe, and hygienic. It has become a new type of pharmaceutical packaging widely used all over the world.
In western developed countries such as Europe and the United States, the application of medicinal aluminum foil packaging has become popular. Among them, the proportion of aluminum-plastic blister packaging (PTP) has reached more than 80% of the total pharmaceutical packaging. The aluminum-plastic blister pack (PTP) of the drug is also called blister pack, and the materials used include: medicinal aluminum foil for the substrate, medicinal polyvinyl chloride (PVC), printing ink, protective agent, adhesive and so on. In its charging process, the medicine is placed in a plastic formed plastic crater, and an aluminium foil for medicine which is gravure-printed and coated with a protective agent and a binder is pressed and sealed with the plastic sheet.