prov:value
| - Barrier layers suitable for use in the invention include, but are not limited to, such materials as fluoropolymers such as polytetrafluoroethylene (PTFE), polyvinylidene chloride (PVDC), polyvinyl fluoride (PVF), butyl rubber, polyethylene, polypropylene, polyvinyl chloride (PVC), polyvinylidene fluoride (PVDF), polyamide, chlorinated polyethylene, chlorosulfonated polyethylene, polyethylene terep
|