Aluminum blister foil is widely used for medicines in the pharmaceutical industry. It consists of a push-through blister, a molded plastic with cavities for the individual tablets, and a push-through closure made of aluminum foil, which is called blister film or lid film.

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The unrivaled barrier properties of aluminum foil make it impenetrable to moisture, aromas, oxygen, and other gases, as well as micro-organisms and light. 

Aluminum foil is non-toxic and non-hazardous. It does not harbor or promote bacteria. It can be supplied in a sterile condition. Aluminium foil is also suitable for the application of tamper-evident seals and anti-counterfeiting security, such as holograms.

In the medical and personal care markets, aluminum foil is mainly used in push-through blisters as a high-barrier performance, sealable and breakable membrane. In cold-formed blisters or strip packs (e.g. for suppositories), aluminum's excellent formability allows us to form the material into highly complex shapes without impairing its barrier integrity.

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As the shield of PVC hard films for blister packaging, it doesn't directly contact foods or drugs, suitable for high-density drugs.