1. For the flatness of the film, it is recommended to check the flatness of the entire roll of film.
2. Whether the adhesive meets the solvent residue standard, it is recommended that it has no smell.
3. Whether the number of splices per roll reaches the agreed standard. It is recommended that there be less than 1 splice per roll.
4. Whether the overprint error meets the standard requirements, it is recommended to be within plus or minus 0.2mm.
5. Whether the packaging method of packaging film meets the requirements, it is recommended to use cartons, stretch films, trays, covers, and corner protectors.
6. Whether all friction meets the requirements. It is recommended that the internal friction be within 0.3.