Heat-seal bagging is widely used in packaging for daily chemical products, food and pharmaceuticals, and other sectors. Heat-seal film It is one of the materials used in heat-sealable bag production. Heat-seal films typically consist, in sequence, of a heat-seal layer, a core layer, and an anti‑coronavirus layer. Since these films are widely employed in packaging for food, pharmaceuticals, chemicals, and other sectors, high mechanical strength is essential. However, conventional heat-seal films often lack sufficient strength and are prone to scratches, abrasions, and tears. To enhance their durability, composite layers made from alternative materials are incorporated. Now, let’s explore the technical approaches used to achieve these enhanced properties.　

Heat-seal film Technical implementation features:

The heat-seal film is designed to provide a heat-seal film with enhanced strength. To achieve this objective, the present utility model comprises, in sequence, a heat-seal layer, a core layer, a reinforcing layer, and an antiviral layer. The reinforcing layer includes a base layer made of polypropylene resin, within which a woven mesh of polyamide fibers is embedded. The base layer has a thickness of 25–40 μm, and the polyamide fibers have a diameter of 8–10 μm.

Heat-seal film Because it is provided with a reinforcing layer and incorporates a woven polyamide‑fiber mesh within that layer, the heat‑seal film exhibits significantly improved transverse and longitudinal tensile strength, as well as enhanced shear strength, while remaining undamaged. The embodiment discloses a heat‑seal film comprising, in sequence, a heat‑seal layer, a core layer, a reinforcing layer, and a coronavirus‑inactivating layer, all formed on a base layer made of polypropylene resin; embedded within this base layer is a mesh woven from polyamide fibers.

The practical novel heat-seal film, equipped with a reinforcing layer that incorporates a woven polyamide fiber mesh, exhibits significantly enhanced transverse and longitudinal tensile strength, as well as improved shear strength. The film is also resistant to scratching; the scratch‑resistant mesh 22 comprises multiple weft yarns and interwoven yarns positioned between adjacent weft yarns, with the mesh interweaving with each weft yarn at every intersection.

To those skilled in the art, in addition to the foregoing description, other variations and modifications may be made. It is neither necessary nor possible here to encompass all possible embodiments; any obvious changes or modifications arising therefrom nonetheless fall within the scope of protection of this utility model.

Heat-seal film Technical features:

1. A heat-sealable film, characterized by comprising, in sequential order, a heat-seal layer, a core layer, a reinforcing layer, and a corona‑treated layer; wherein the reinforcing layer includes a base layer made of polypropylene resin, and within this base layer is embedded a woven mesh formed from polyamide fibers.

2. A heat-sealable film, characterized in that the core layer is a polypropylene resin layer.

3. Heat-seal film, characterized in that the corona-treated layer is a polypropylene resin layer.

4. Heat-sealable film, characterized in that: the base layer has a thickness of 25–40 μm, and the polyamide fibers have a diameter of 8–10 μm.

The above is what has been introduced. Heat-seal film For details on the technical implementation, please feel free to contact us at any time!