3M Blockout Film 3635-22B Black (1.22 m x 45.7 m)

A cast, matte, 100% opaque, black blockout film (80 µm) with white backing and a clear, pressure sensitive adhesive used to control light flow in internally illuminated signs. Suitable for first or second surfaces of clear acrylic or glass to create special sign effects. Up to 10 years durability. Recommended application tapes: SCPM-19 (for large format) and SCPS-100 (for small format).