For low-temperature environments, adding cold-resistant plasticizers or using special grades of PE resin can prevent the material from becoming brittle at low temperatures.
In the printing process of self-adhesive bags, the adhesive layer is the core component for achieving the sealing function, and its integrity directly affects the product's sealing performance and user experience.
PE logistics delivery bags, with their unique low-temperature toughness, have become the core packaging material to ensure the safety of goods in cold chain transportation.
The conductive coating of adhesive seal bags is usually applied by roller coating, spraying or slot extrusion coating.
As a widely used packaging container in industries such as food, daily necessities, electronics, clothing, and logistics, the primary function of a zipper bag is not only to seal items but also to provide reliable physical protection.
In modern logistics systems, courier bags serve as the first line of defense for goods distribution, and their structural strength is directly related to whether packages arrive safely at their destination.