What ink should be printed on the laser film?
If it is offset printing, you can try Osaka OPI ink, this ink drying faster, good scratch resistance!
Ordinary ink is also available, and if you use ordinary ink, you must add white dry oil, otherwise it will not dry.
PVC material printed, preferred, quick drying inks, generally with special quick ink, then add dry oil (two, dry red general mimeograph paper, white dry oil is printed on this type of paper white dry oil to the ink inside a few minutes on the surface of skin dry).