Reflective glass beads is the essential material for the coating of road marking, it is mainly used for road marking. The glass beads for road marking can improve the retro-reflective performance of road surface coating and increase the safety for night driving. When driving at night, the lamp shines on the marking line with glass beads in it, the ray of lamp is reflected back parallel. So the driver can look at the road clearly and drive safely at night.
Physical & Chemical
Road marking glass bead in reflective material
| Physical properties | |||
| Reflective: | 1.5-1.7 | Color | Colorless Transparent |
| Mohs Hardness | 7 | HRC hardness | 46 |
| Real Density | 2.5g/cm3 | Bulk Density | 1.5g/cm3 |
| Chemical Compositions | |||||||
| SiO2 | Na2O | CaO | MgO | Al2O3 | K2O | Fe2O3 | Other |
| 70-74% | 12-15% | 8-10% | 1-3.8% | 0.2-1.8% | 0-0.15% | 0-0.15% | 0-2% |
Application
A type, Premix glass beads(18-25 %) with hot-melting paint , and then spray on road surface by road line marker.
B type, First spray road marking paint, and then drop glass beads on surface while paint is still wet.
Advantage of our glass beads
1. Light color and Slightly odor
2. Excellent affinity with wide range of fillers
3. Good flowability in RMP
4. Low Molecular weight and Low volatility
5. High transparency and High antifriction
6. Weather resistance and Anti-staining
7. Strong adhesion and Quick dryness
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