The imitated TPU film is produced by casting method, with ultra-low weight, ultra-thin and ultra-flexible properties. It’s often used in home textiles, clothing, medical and other fields. After compounded with fabrics, it has the properties of waterproof, warmth and washing resistance. Compared with the expensive TPU film, although there is a certain gap in physical properties, the cost has dropped significantly. It can be used in place of TPU film in some less demanding occasions, and the cost is reduced on the premise of achieving the same use effect.