Blister Packaging Materials Key Terms

Understand blister packaging terms to help make a decision

Blister packaging is a popular way for companies to package their products. If you are considering using blister packaging for your product, you may be confused about all the different types of blister packs out there. Whatever your needs, consider learning the vocabulary of blister packs to help you make the right choices.

 

Unit dose packaging

Unit dose packaging is required for use in hospitals and doctor's offices. This means that each unit of medicine has its own individual package. This makes the packaging a bit more secure.
Try: Learn more about unit dose packaging and see a picture from Avery Dennison.

Paperboard

Paperboard consists of several layers of paper that have been put together to create a sturdy, board-like product. It is sometimes used in blister packaging by placing the blister in between two pieces of paperboard, as in a package of batteries.
Try: See examples of paperboard packaging at JJ Packaging.

Clamshell

Clamshell blister packaging is when the product is placed between two plastic shells that open like a clam.
Try: See some examples of clamshell packaging from National Plastics.

Cold form foil

Cold form foil is often used in blister packaging for over the counter medicine. Individual pills are placed into a specially formed blister, then the cold form foil is applied over the back. This makes it easy for consumers to pop one dose out of the package at a time.
Try: See a picture of cold form foil as used in a medicine package at Amcor.

Thermoforming

Thermoforming is the process used to create the shape of the blister pack. A flat sheet of plastic is put into a machine, which heats it up to shape to a mold.
Try: Learn more about thermoforming, and see some pictures of thermoforming machines at the U.S. Department of Labor's Occupational Health and Safety Administration.

Polyvinyl chloride (PVC)

Polyvinyl chloride, or PVC, is often used to create blister packaging in addition to many other products. However, there is some debate about its use because the production of PVC releases toxins into the air.
Try: Learn more about PVC and the dangers of production from Greenpeace.

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