Glass Beads Used in Traffic Paints
AASHTO Designation: M 247
TYPE 1 AND TYPE 2
Gradation of Glass Beads |
Sieve Designation | Mass Percent Passing |
Standard mm | Alternate No. | Type I | Type II |
0.850 | 20 | 100 | - |
0.660 | 30 | 75 - 95 | 100 |
0.425 | 40 | - | 90 - 100 |
0.300 | 50 | 15 - 35 | 50 - 75 |
0.180 | 80 | - | 0 - 5 |
0.150 | 100 | 0 - 5 | - |
