<http://schema.org/description>
"Applying a combination of organic and inorganic barrier materials in submicron layers to a substrate of BOPET film creates a gas and moisture barrier that is effectively impermeable (0.0001 cc/m2 of oxygen in 24 hr), according to the Fraunhofer Institute for Engineering and Packaging in Freising, Germany."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/products/super-barrier-film-matches-glass>