HR (High Retroreflectivity) Glass Beads
Diret-Melt Virgin Glass Made
|
Item |
Standard |
|
Appearance |
Outer clean and transparent, without visible bubble and impurity. |
|
Density |
2.4-4.2 g/cm3 |
|
Bulk Density |
1.57g /cm3 |
|
Roundness |
>90% |
|
Refractive Index |
1.52, 1.6, 1.7, 1.8 Index |
|
Composition |
SiO2 content: 71-74% |
|
Soften Degree |
720-730 centigrade |
|
Retro reflectivity |
>700mcd/lux/m2 |
|
Typical Sizes (Passing Rate) |
||||
|
Micron |
LSKB30 |
LSKB40 |
LSKB50 |
LSKB60 |
|
3350 |
|
|
|
100 |
|
2360 |
|
|
100 |
95-100 |
|
2000 |
|
100 |
95-100 |
80-95 |
|
1700 |
100 |
95-100 |
80-95 |
10-40 |
|
1400 |
95-100 |
80-95 |
10-40 |
0-5 |
|
1180 |
80-95 |
10-40 |
0-5 |
0-2 |
|
1000 |
10-40 |
0-5 |
0-2 |
|
|
850 |
0-5 |
0-2 |
|
|
|
710 |
0-2 |
|
|
|
1.52 Index 1.6 Index 1.7 Index 1.8 Index
