PC shell protective film 1)After long-term use, non-foaming, non- ... hardness 3)the edge will not tilt 1. The PC shell protective film formation services paste, after long-term use, non ... year two years, the edge will not tilt. 3. The shell protective film exclusive use of special glue, never corrosion chassis ... .Tear up the old film, never glue residue. Notebook PC shell protective film