What are Blister Packs?

Pills in blister packaging.

Blister packs are a specific type of product packaging consisting of preformed plastic, molded and heat sealed onto a printed card. This packaging is most commonly used to contain pharmaceuticals, but it can also be used to package other small consumer goods. The cardboard card holder can also contain a layer of paper, foil or plastic. The pre-formed molded compartment is transparent, allowing the consumer to easily see its contents.

Blister packs are used to package drugs dispensed in pharmacies and over-the-counter drugs.

The most common use for blister packs is packaging medicine capsules or tablets in single-dose units. They are used to package drugs dispensed in pharmacies and over-the-counter drugs. Typically, the capsule or tablet contained in the blister pack is pushed onto the back of the attached card and therefore in many parts of the world this type of packaging is known as push through packs (PTPs). The individual compartments are usually separated by a perforation so that they can be detached from the card individually.

Blister packs offer several benefits to the manufacturer and the consumer. This type of packaging helps manufacturers meet shelf life requirements and also prevents tampering. They also allow manufacturers to print specific information on the back of each individual compartment. Consumers also benefit from this information. The only disadvantage for consumers is the difficulty of removing the capsule from some packages. People with arthritis or another degenerative disease that affects dexterity may have difficulty taking pills.

Examples of other products that can be packaged and distributed in blister packs include contact lenses, hardware, small toys and craft supplies. Many packaging companies provide manufacturers with various types of custom packaging. A similar type of packaging, known as skin packaging, involves sealing consumer goods in a cardboard box with a single sheet of plastic instead of individual plastic compartments.

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