Research study findings show that coffee capsule barrier performance varies significantly across types, brands
A new research study conducted by Plastic Technologies, Inc. (PTI) (plastictechnologies.com), a global leader in plastic package development, uncovers significant performance and barrier differences in capsules used for coffee and other applications.
The company found that that the Barrier Improvement Factor varied as much as 380 times across the 18 capsule samples tested. The capsules selected represent most of the major commercially-available systems currently available.