Kuraray offers EVAL resins for the medical and pharmaceutical industry for the production of either transparent or opaque films suitable for use in form-fill-seal equipment or for preformed packages. Highest oxygen barrier thermoplastic resin available Excellent thermoformability Halogen-free chemistry - can be easily extruded and safely incinerated Recyclable with existing infrastructure FDA and USP Class VI compliant Adding layers of other specialised materials can result in sophisticated, high-performance structures. While 5-layer coextruded barrier structures are commonly produced, structures of 7 or more layers are often more effective concerning both performance and cost. In the structures below, EVAL provides the oxygen and contamination barrier, and cyclic olefin copolymers (COCs) provides water vapor barrier.  The result is an extremely performant blister pack that is free of both halogen and chlorine. Â

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