Make a polariscope - you can get magnificent colors using this film and various types of clear cellulose - plastic wrapping film. Sort of dichroic effect. Remember to remove protective film from BOTH sides.
Optical type: Transmissive
Color: neutral gray
Polarizing efficiency: 99.98%
Thickness: 0.18mmDirection: linear
Protective film: both sides -
**Make sure to remove film from both sides!!***