A matte, translucent, grey, cast film (80 µm), appearing grey by day, and white by night when illuminated from behind. By applying a 3M™ Scotchcal™ Translucent Film on the second surface, a specific night time colour can be achieved when backlit. Up to 10 years durability.
Film which produces the appearance of dark graphics during the day and white graphics at night on internally illuminated signs.
In incident light, almost black
In transmitted light, the colour of the light source (typically white)
Can be used with coloured translucent films which influence the colour of the transmitted light