Ratio:2.4-2.6g/cm;
Reflectivity:≥1.5;
Roundness:>80%;
Contained ratio of magnetic particles:≤0.1%;
Glass bead should be colorless,loosen and spherical particle,and should be free of impurity,and free of cluster which can't be loosen by slight impact.
| Standard (um) | Retained Percentage |
| >600 | 0 |
| 600-300 | 50-90 |
| 300-150 | 5-50 |
| <150 | 0-5 |
We can produce glass beads based on standards of different countries and areas,such as BS6088, AASHTO M247,EN1423/EN1424-1998,KS L2521 ETC.













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