| http://www.w3.org/ns/prov#value | - For example, it may be a perforated film, an open-cellular foam sheet, a foam or a laminated combination thereof, of an organic polymer of, for example, polyolefins such as polyethylene, polypropylene, polybutene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer; or polyurethanes, polyesters, polyamides or other plastics.
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