Road marking paint glass beads sizes 3#
Reflective road marking glass beads for road markings can improve the reflective performance of road marking paint. The light of the car lights on the marking lines with glass beads, which can reflect the light of the car lights back, make the driver see the direction of travel, and improve the safety of driving at night.
Road reflective glass beads are a kind of fine glass sphere formed by melting glass sand (waste glass) at high temperatures. Glass beads for road marking are spherical under the microscope, colorless, transparent, and the refractive index is 1.5-1.64. Between 44 and 1400 microns in diameter.
Particle Size Distribution for Road Marking Glass Beads
| Item No. | Size(mm) | Sieve Size(mm) | Roundnesss (%) | Size(mm) | Sieve Size(mm) | Roundnesss (%) |
| 0# | 0.01-0.04 | <300 | ≥95 | 0.15-0.18 | 80-100 | ≥90 |
| 1# | 0.04-0.063 | 230-300 | ≥95 | 0.18-0.25 | 60-80 | ≥90 |
| 2# | 0.063-0.09 | 180-230 | ≥95 | 0.25-0.42 | 40-60 | ≥85 |
| 3# | 0.09-0.1 | 150-180 | ≥95 | 0.42-0.6 | 30-40 | ≥85 |
| 4# | 0.1-0.125 | 120-150 | ≥90 | 0.6-0.85 | 20-30 | ≥85 |
| 5# | 0.125-0.15 | 100-120 | ≥90 | 0.85-1.2 | 20-16 | ≥85 |
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