1.1 ,Test Packages—,This test method can be applied to non-porous blister packs sealed with flexible films such as those used in pharmaceutical packaging. Such blister packs typically consist of thermoformed polymer or cold formed aluminum trays that contain a number of individual blister pockets into which tablets or capsules are placed. The trays are then sealed with a polymer, paper-backed or foil-based flexible laminate lidding material.