Various fine powder product for waterproof moisture-proof packaging bag can observe the contents of

摘要

(57) [Abstract] To provide a variety of fine powder product for waterproof moisture-proof packaging bag can observe the contents. A present invention is, in a polypropylene fabric 11 polypropylene extruded resin 12 is coated, is further terpolymer polypropylene film 13 is coated on its upper, use a cloth A transparent polypropylene resin 14 is heat bonding is on it hole 101 is provided on one side of the bag body 10 had the hole 101 of the rear surface is the same as the length of the bag body 10 the hole 101 transparent terpolymer polypropylene film 3 having a width greater than the diameter of the 0 is thermocompression bonding, after which the bottom end of the bag body 10 sewn with the polypropylene sewing thread 50, polypropylene fabric 2 Polypropylene extruded resin 22 is coated on one, End sealing finish 20 having finishing process by coating a hot-melt resin 23 thereon is thermally crimped on the sewing portion.