Retroreflective Coating

Multilayer coating that includes optical elements with retroreflective effect.

It consists of several layers:

  • layer with microlenses (microbeads);
  • layer with graphic images;
  • reflective layer.

When the coating is illuminated by parallel (coaxial) light beams, light semi-transparent images contrasting with the background are visualized (fig. 2). Microbeads focus the light beams so that reflected light returns towards the light source providing a clear visual perception of the image.

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