Patent ID: 8668970

Claim:
Film bags or film tubes comprising a biaxially oriented film which a) comprises less than 10 ppm of antimony; b) has a haze of less than 10%; c) has an ultimate tensile strength of more than 100 N/mm 2 in every direction of the film; d) has a difference in the ultimate tensile strength in machine direction (MD) and transverse direction (TD) of less than 180 N/mm 2 ; e) has a tensile strain at break of more than 50% in every direction of the film; f) has a tensile strain at break of more than 260% in no direction of the film; g) has a yellowness index b* of less than 2.5; h) has a lightness L*>85; i) comprises from 50 to 15000 ppm of a free-radical scavenger; j) has a film SV value of at least 600 after the oven test; k) has a tensile strain at break of >5% in every direction of the film after the oven test; l) has a film thickness of from 6 to 26 μm; and m) is comprised of more than 90% by weight of a polyester.