It is a kind of white or yellowish granule or powder with a wide range of water-soluble and environment-friendly macromolecular polymers. Its performance is between plastic and rubber. Smoothness, oil resistance, solvent resistance, protective colloid, gas barrier, abrasion resistance and thermal stability. It is also used as the raw material of vinylon fiber, which has high strength, good moisture absorption, abrasion resistance, light resistance and corrosion resistance. Tire cords, fishing nets and ropes are also ideal substitutes for asbestos. It can also be used in the field of papermaking, especially as pigment binder and vinyl acetate emulsification, polymerization, film, asbestos, inorganic binder, temporary protective film and PVB resin.