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2. Thermoplastic road marking paint - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic_road_marking...

   Glass microspheres are added in order to improve the identification of lines at night, to improve the brightness and durability of the marking. Glass beads, usually 0.1-1.4 mm in diameter, are colourless and transparent; they reflect light from vehicle's headlights back toward the driver and foremost protect the road marking from abrasion.

3. Glass bead road surface marking - Wikipedia

   en.wikipedia.org/wiki/Glass_bead_road_surface...

   Incident light is refracted within glass beads on road surfaces and reflected into the driver's field of view. Road paint with reflective glass beads being applied to a pedestrian crossing in Baliuag, Bulacan. Glass beads composed of soda lime glass are essential for providing retroreflectivity in many kinds of road surface markings. [1]

4. Retroreflective sheeting - Wikipedia

   en.wikipedia.org/wiki/Retroreflective_sheeting

   They are also used as a material to increase the scanning range of barcodes in factory settings. The sheeting consists of retroreflective glass beads, microprisms, or encapsulated lenses sealed onto a fabric or plastic substrate. Many different colors and degrees of reflection intensity are provided by numerous manufacturers for various ...

5. Raised pavement marker - Wikipedia

   en.wikipedia.org/wiki/Raised_pavement_marker

   Raised reflective markers, such as plastic, ceramic, or metal ones, include a lens or sheeting that enhances their visibility by retroreflecting automotive headlights, while glass road studs gather automotive headlights with a dome shape and reflect the lights with a reflective layer within.

6. Retroreflector - Wikipedia

   en.wikipedia.org/wiki/Retroreflector

   This type of retroreflector can consist of many small versions of these structures incorporated in a thin sheet or in paint. In the case of paint containing glass beads, the paint adheres the beads to the surface where retroreflection is required and the beads protrude, their diameter being about twice the thickness of the paint.

7. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   Some structured screen materials are semi-specularly reflective in the vertical plane while more perfectly diffusely reflective in the horizontal plane to avoid this. Glass-bead screens exhibit a phenomenon of retroreflection; the light is reflected more intensely back to its source than in any other direction. They work best for setups where ...