First: Agent viscosity. is the use of vinyl chloride resin plastic adhesive can be bonded to repair polyvinyl chloride film, polyethylene film can be used polyurethane adhesive agent repair, with the heat of the small steel saw blade scalding is also possible. Second: Thermal bonding. This method to adhere to the film when you have to master the temperature of the iron, low temperature sticky, easy to appear cracks, too high temperature, easy to lead to melting film, in the seams will appear holes or thin film thinning. The third Kind: slurry sticking method. In the process of film use, if there is a hanging bad, wrinkles and other small damage phenomenon, can be cut a piece of plastic, sticky mud water affixed to the damaged place on it.