GF 242 Optically Clear Cast Overlaminating film is a pressure sensitive vinyl with an optically clear, permanent, solvent based adhesive and a polyester liner. This highly flexible gloss laminate provides protection against ultraviolet radiation, moisture, and abrasions. GF 242 is designed specifically for perforated window films like GF 280 and is recommended for use with GF 232, GF 260, GF 261, and GF 270. Cold lamination is recommended for this film.