Recently, a series of special packaging papers have emerged on the international market, such as high-strength and flexible packaging paper bags, far-infrared packaging paper, and coated paper. More popular flame-retardant packaging paper market is very promising. The so-called flame retardancy is that it does not burn in the flame, which has an impediment to the expansion of the flame. After processing, the flame-retardant paper will not ignite when it encounters a small fire, and it may self-extinguish.