High Reflective Glass Beads can highly improve the visibility of traffic markings and road signs and provide safer night driving conditions.
Glass beads can be pre-mixed to making of reflective thermoplastic paint or used to be dropped on the freshly stripped paint surface on the road to give immediate enhanced the visibility for driving at night.
Chemical & Physical Properties | |
Basic material |
SiO2 62% |
Shape |
Spherical |
Color |
Clear |
Specify gravity |
2.4-2.6 |
Hardness (Moh's ) |
5.5-6.0 |
Refractive Index |
1.5-1.6 |
Typical Chemical Contents | |
SiO2 |
72.60% |
Na2O |
13.40% |
K2O |
0.30% |
Ca2O |
8.02% |
MgO |
2.80% |
Al2O3 |
0.75% |
Free Si |
0 |
Size Distribution | ||
Type |
Sieve Size um |
Retained by % |
Class A |
1180 |
0 -3 |
850 |
5-20 | |
425 |
65-95 | |
<425 |
0-10 | |
Roundness |
>70% | |
Class B |
850 |
0 -5 |
600 |
5-20 | |
300 |
30-75 | |
180 |
10-30 | |
<180 |
0-15 | |
Roundness |
>80% | |
Other sizes can be available according to your requirements. | ||