Glass beads for road marking

Glass beads for Road Marking

Chemical Compositions:
SiO2=65.0%
Na2O=14.0%
CaO=8.0%
MgO=2.5%
AL2O3:0.5-2.0%
Fe2O3=0.15%
Other:2.0%

Physical Properties:
Bulk Density:1.5g/cm3
Real Density:2.5g/cm3
Mohs Hardness:6-7
HRC hardness:46
Roundness=92.5%
Magnetic=0.1%
Bubble<0.1%

Application: 1.Improve the road marking line contrary reflection function. When driving at night, the lamp shines on the marking line with glass bead in it, the ray of lamp is reflected back parallelly. So the driver can look at the road clearly and drive safely at night.
  
2.Reflective glass beads as the necessary material for the road marking line/ traffic paint, mainly used for road marking line, denotor, and identification for the guardrail out line.

Available size:
1   Chinese Standard-   JT/T 446-2001
2   England Standard-   BS6008A/B
3   American Standard-    AASHO No1/2
4   Europe Standard-   EN1423, EN1424
5   Australia Standard-   AS2009B/C
6   Korea Standard-   KSL2521
Glass beads for road marking