The United States Pharmacopeia’s Packaging and Distribution Expert Committee recently revised General Chapter <671> Containers-Performance Testing (Ref 1) to add an alternate method for the determination of moisture vapor transmission rate (MVTR) of single-unit and unit-dose container closure systems, such as blisters. This alternate method — using water instead of desiccant — was vetted by a leading packaging development laboratory through a rigorous comparison to the unchallenged desiccant method, the standard since the 1970s.
Packaging Digest would like to gauge your interest in this new method.

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