Specialty chemicals manufacturer Clariant, along with its Healthcare Packaging business unit, is set to introduce Tri-Sorb molecular sieve desiccant tablets which have been designed for USP moisture testing of blister packs.

Developed for pharmaceutical and nutraceutical packagers who conduct moisture-permeation testing of unit-dose blister packaging, the Tri-Sorb tablets will be placed into blister headspaces singularly or in multiples, in lieu of the actual drug product.

The tablets will be used to test and verify the moisture vapour transmission rate (MVTR) of blister packaging according to the USP standard.

Clariant Healthcare Packaging product manager Audrey Pouliquen said: “Pharmaceutical manufacturers depend heavily on the results of USP testing to ensure that their drug packaging consistently achieves its specified MVTR.

“Clariant has developed this line of desiccant tablets to specifically meet the requirements for this essential test.”

The company has packed 320-350 tablets in quantities that are suitable for testing applications in laboratory, depending on the size of the tablet in each re-sealable barrier pouch.

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They have been packaged on-site as part of the manufacturing process, to preserve product integrity and moisture adsorbtion capacity.

Available in three different sizes of 0.125g, 0.25g and 0.37g, Tri-Sorb tablets are made from 4A molecular sieve.

Similar Tri-Sorb tablets are also used in the packaging of medical devices to protect the products from moisture and preserve their functionality, accuracy and shelf life.


Image: Tri-Sorb Desiccant Tablets. Photo: © Clariant.