Structure: Valve bags generally use valve ports or seam bottoms to facilitate material loading and unloading, while ensuring material sealing. And other packaging bags use the general bag body method without any special structure.

Raw materials: Valve bags are often made of materials such as kraft paper, polypropylene, polyethylene, etc., which have high strength and are easy to recycle. Other packaging bags can use various materials, such as canvas, cotton cloth, plastic film, etc., to choose according to the properties and requirements of the packaging materials.

Usage: Valve bags are commonly used for packaging in professions such as cement, building materials, food, and chemical engineering, requiring high strength and sealing. Other packaging bags can be used for packaging various professions, such as food, daily necessities, etc., and can be selected according to actual needs.

Production process: The production process of valve bags is relatively messy and requires the use of professional production equipment and techniques. Other packaging bags can be handmade or processed by simple machines, and the production process is relatively simple.

Article source: Valve bag manufacturerwww.jmkaichuangbz.com