1. Paper cups as disposable products, in hotels, restaurants, public places have a wide range of use, reliable disposable paper cup manufacturers produce products pollution-free, no odor, good texture, not easy to deform, reliable disposable advertising paper cups have beautiful and generous, heat-resistant, oil-resistant, non-toxic, waterproof, will not penetrate the basic paper cup characteristics, disposable paper cup printing is the use of environmentally friendly printing, will not cause harm to the health of the body. At present, domestic primary paper cups can be divided into three types according to their uses: cold drink cups, hot drink cups and ice cream cups. According to the coating of paper cups, it can also be divided into three types: wax cups, polyethylene film cups and straight-walled double-layer cups.
2. Paper cup manufacturers, paper cup design, flexographic printing, and now can not reproduce the multi-dimensional tones of the pattern as well as lithographic printing. If you want to reproduce a beautiful artistic picture, such as a calendar, a picture album, a model, etc., it is not the specialty of flexographic printing. Although there have been a variety of particularly delicate flexographic printing samples, they are only in the sample printing stage, and there is still a big gap between them and lithography in the theoretical construction.
3. Black pictures and black spray painting are overprinted by overprinting the grade screen plate with 3~4 colors of half-tone replacement through fire color plate making. Because the paper cup flexographic printing belongs to letterpress printing, when applying the screen line grade plate printing, the highlight part is difficult to reproduce, and the dark tone department is not obvious, so it is difficult to show the transformation effect of artificial transition and rich layers of tones.