What’s a blister?

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Blister packs are plastic packaging on cardboard paper used for pharmaceuticals and small consumer goods. They have individual compartments and allow for printing of specific information. They prevent tampering but may be difficult for some consumers to open. Other products can also be packaged in blister packs.

Blister packs are a specific type of product packaging that consists of preformed, molded, heat-sealed plastic on a printed cardboard paper. This packaging is most commonly used to hold pharmaceuticals, but can also be used to package other small consumer goods. The cardboard backing may also contain a layer of paper, film or plastic. The preformed and contoured compartment is transparent, allowing the consumer to easily view its contents.

The most common use for blister packs is to package drug capsules or tablets in single-dose units. They are used to package both dispensed drugs and over-the-counter drugs. Typically, the capsule or tablet contained within the blister is pushed through the back of the accompanying card and therefore, in many parts of the world, this type of packaging is referred to as push through packaging (PTP). The individual compartments are often separated by a perforation so that they can be torn out individually from the paper.

Blister packs offer many advantages to the producer 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 bin. Consumers also benefit from this information. The only disadvantage for consumers is the difficulty of releasing the capsule from some packages. People with arthritis or other degenerative conditions that affect dexterity may have difficulty getting pills out.

Examples of other products that may 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 customized packaging. A similar type of packaging, known as a skin pack, involves sealing consumer goods on a cardboard paper with a single sheet of plastic rather than individual plastic compartments.

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