FIELD: technological processes.
SUBSTANCE: film contains the first external layer from polyether or copolyether, the second external layer made of homo- or copolymer of ethylene or propylene, the medium layer of ethylene copolymer and vinyl alcohol, and does not include medium polyamide or polyether layers. Film is produced by biaxial orientation of tape produced as a result of resins extrusion through slot extrusion head, by means of frame for film stretching and orientation, preferably simultaneous one.
EFFECT: raising module above film and free shrinkage in every direction.
14 cl, 2 tbl, 29 ex
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