| 摘要 |
PROBLEM TO BE SOLVED: To provide a biaxial orientation polypropylene film for packaging excellent in heat seal strength and a hot tack property during filling contents and a packaging bag using the biaxial orientation polypropylene film for packaging.SOLUTION: The invention includes, for example, a biaxial orientation polypropylene film having at least three layers of a surface layer, a substrate layer and a seal layer, where the seal layer contains a propylene random copolymer of 75 to 93 wt.% and a polyethylene resin of 7 to 25 wt.%. |
