Bonding is not strong, stripping

(1) pre-coated film over the shelf life, replace the new pre-coated film.

(2) printing ink is not dry, should extend the drying time of printed matter, especially in the special printed film should pay more attention.

(3) The laminating pressure is low, the speed is fast, the temperature is low, the laminating pressure can be increased properly, the laminating speed can be decreased, the laminating temperature can be increased