handbags, as the name implies, are bags for holding items that are easy to carry. Its carrying capacity determines its material and form, and can be roughly divided into portable paper bags, plastic bags, cloth bags, small baskets and small baskets according to the materials used. The most common and frequently used ones are paper composite bags and plastic bags, followed by cloth bags, small baskets and small baskets are rare in the metropolis.
Most of the hand-held paper bags are printed, die-cut, glued and formed by offset printing machines using heavy kraft paper, white cardboard, gray-white cardboard, white-white cardboard and copper cardboard. Due to the modernization of printing technology and equipment, the printed patterns are exquisite, delicate and rich in expression. All the processes in modern printing can be expressed on a small handbag, such as bronzing, bump, UV, die-cutting and so on.
Due to the difference in materials, kraft paper has good stiffness and toughness, rough surface, and a base color. Generally, it is not suitable for 4-color printing. It only does some monochrome printing, and it is not used for surface coating. Kraft paper tote is in Pay attention to the use of good quality glue when bonding, otherwise there will be a phenomenon of bottoming and blasting. At the same time, the kraft paper tote bag will be degummed if it is left for too long. White cardboard, gray white cardboard, white white cardboard and copper cardboard have a common feature, the surface is delicate, all white, suitable for 4-color printing, can print very beautiful patterns, due to the paper itself The toughness and water-shrinking characteristics are usually coated on the surface after printing (BOPP film, also called biaxially oriented polypropylene film, which is called a paper-plastic composite bag), which increases its toughness and water resistance. Handbags after laminating treatment generally do not exhibit degumming. Copper cardboard handbags have the highest cost, followed by white cardboard handbags, gray-white cardboard holders, and white-white cardboard handbags.