Products appear snow point
2018-11-22
(1) Rubber roller pressure is not enough, should be appropriate to increase the pressure.
(2) The glue on the pre-coating film is not melted completely and can be solved by the following methods.
① appropriate to improve the film temperature.
② increase the contact area of the film and the heating roller, so that the same speed of the adhesive on the film heated to increase the degree of melting.
③ reduce the coating speed.
(3) There are dusts and impurities on the coated surface of the pre-coating film, which should be promptly removed.