9. Sub 8 Item 27_ Reflective Media.pdf

2 MB Posted

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Blanket Purchase Agreement for Pavement Marking
Solicitation number
FA520924Q0024
Issued by

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This document appears to be related to a pavement marking and crack sealing services Blanket Purchase Agreement solicitation (FA520924Q0024) from the Department of the Air Force Pacific Air Forces.

The solicitation requires the contractor to remove and place pavement markings on airfield, roadway, and parking lot pavements, as well as crack seal asphalt pavements. The solicitation has a question due date of April 20, 2024 at 2:00 pm and a proposal due date of May 13, 2024 at 2:00 pm. The statement of work includes details on the retroreflective glass beads required for the pavement markings, including information on their optical properties and conformance to JIS standards. This provides background on the technical requirements for the pavement marking materials.

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Glass beads for road marking paints

The reason why it is clearly visible is the "retroreflective property of light.

Retroreflection model of glass beads by laser beamRetroreflective model of glass beads road surface

Product Information

Type with high refractive index and high retroreflection even in rainy weather.

Highly reliable general-purpose type that conforms to JIS standards coating reflected lightGlass Beads incident light

Large particle size provides high retroreflectivity even in rainy weather.

This is an optical measuring instrument for evaluating the nighttime visibility of road

JIS standard beads

High Refractive Beads

Visibead

Reflection luminance measuring instrument

Glass beads have "retroreflective properties" that return incident light to the direction of the light source. When driving at night, the light from the headlights enters the glass beads embedded in the paint on the road surface, and the light is efficiently reflected back to the driver. As a result, the road markings are clearly visible, as if they were emitting light.

File details come from the government source that posted it. Updated .