High opacity film and method thereof

B - Operations – Transporting – 32 – B

Patent

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154/140, 154/123

B32B 5/18 (2006.01) B32B 27/20 (2006.01) B32B 27/32 (2006.01) B32B 33/00 (2006.01)

Patent

CA 2011267

ABSTRACT HIGH OPACITY FILM A non-symmetrically layered, highly opaque, biaxially oriented polymer film with a core containing numerous microscopic voids and at least about 1% by weight of opacifying compounds: a first skin layer on one surface of the core containing up to about 12% by weight of inorganic particulate material: and a second skin layer on the other surface of the core.

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