Home > Product > Precision Coated Film Clearsil™ is the clear choice for optically clear release films. Produced in environmentally controlled clean rooms, Clearsil offers the highest quality film release liners produced with the greatest level of cross web and run-to-run consistency. Clearsil includes mostly polyester based films intended for use in demanding applications where an optically clear, contaminant- and scratch-free release coating, with very low to no silicone transfer, is important