FIELD: packaging material.
SUBSTANCE: present invention relates to a single-layer biaxially oriented polypropylene film having a density equal to or less than 0.72 g/cm3, to a method for producing a single-layer biaxially oriented polypropylene film, to the use of at least one natural calcium carbonate as a cavitation agent in a single-layer biaxially oriented polypropylene film, to a product containing a single-layer biaxially oriented polypropylene film, as well as to their applications.
EFFECT: single-layer biaxially oriented films according to the invention are characterized by low density in combination with high opacity and good mechanical properties.
24 cl, 3 tbl
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