Blister pack
Type of packaging / From Wikipedia, the free encyclopedia
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A blister pack[1] is any of several types of pre-formed plastic packaging used for small consumer goods, foods, and for pharmaceuticals.
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The primary component of a blister pack is a cavity or pocket made from a formable web, usually a thermoformed plastic. This usually has a backing of paperboard or a lidding seal of aluminum foil or plastic. A blister that folds onto itself is often called a clamshell.
Blister packs are useful for protecting products against external factors, such as humidity and contamination for extended periods of time. Opaque blisters also protect light-sensitive products against UV rays.