Premium cast light management films to achieve special effects for illuminated signs. Block Out 3635-20 and 3635-22B control lightflow. Diffuser 3635-30 (30%) and 3635-70 (60% light transmission) improve light diffusion and uniformity.

Day/Night 3635-91 creates the appearance of dark graphics during the day and white coloured graphics at night. Dual Colour 3635-210 and 3635-222 produce a colour/image special effect by day and a different colour by night when illuminated. LEF 3635-100 White Light Enhancement Film increases sign luminance by eliminating light hotspots.