Because kraft paper is different from SBS paperboard and general printing paper, it is uncoated, looser than bleached paperboard, has many pores on the surface, and has stronger permeability. This needs to be integrated in ink application and coating. consider. For example, based on the analysis of the characteristics of kraft paper, it is generally better to use flexographic printing instead of offset printing machines for full-page kraft paper printing. Because of the rough surface of kraft paper, the texture is soft, the ink absorption is strong, the color of the printed product is dull, and the printing will also cause the ink to pull down the paper fiber (also called pull-off paper hair).

