Standard DOT Reflective Glass Beads Type 1

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Standard DOT AASHTO Glass Beads  
Select from 1-15 pounds
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AASHTO Type 1, Glass Beads, Sand like texture. Same glass beads used on interstate, highway and local traffic lines. Meets all Federal and State (TT-1325B) specifications. Makes paint reflective.  Beads are sprinkled on top of the wet while it is still wet at a ratio of 6 pound beads per gallon of paint. Sizes are 20-325 US Mesh, 45-850 Microns, roundness >= 80%.  Refractive index is >= 1.51.  Mixing reflective glass beads into any medium, even clear will greatly reduce reflectivity. Beads should be applied topically onto wet paint or adhesive. Shipped in reclosable seal top bag.
For extremely bright reflective beads. (The kind used on airport runways and interstate signs) go to our High Index Bead Collection. https://www.reflectivebeads.com/collections/high-index-reflective-glass-beads