HR Glass Beads
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Detailed introduction
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
