SANAISI glass beads for road markings are designed to enhance the retroreflective performance and durability of road markings. After the marking paint has been applied to the road surface, these glass beads should be applied to newly laid thermoplastic or cold-applied road markings. They provide excellent nighttime visibility, helping drivers clearly identify traffic markings even in dark or rainy conditions. They are widely used on highways, crosswalks, urban roads, airports, and parking lots. The glass beads should be applied to the surface of the road marking paint while it is still wet.
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Glass bead on common surface |
glass bead on high roundness surface |
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Appearance |
colorless, transparent, without obvious bubbles and impurities |
colorless, transparent, without obvious bubbles and impurities |
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Size range |
20-140 mesh (109-830 μm) |
10-40 mesh (380-1700 μm) |
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Roundness |
≥ 80% |
≥ 90% |
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Reflectivity |
≥ 1.5 |
≥ 1.5 |
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Density |
2.4-2.6g/cm3 |
2.4-2.6g/cm3 |
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Main ingredients |
SiO2 > 70% |
SiO2 > 70% |
High-quality glass beads provide superior light reflection, making lane markings clearly visible at night, in rainy weather, and under low-light conditions. Improved retroreflectivity helps drivers identify road markings earlier, contributing to safer driving.
Embedded or drop-on glass beads improve the wear resistance of road markings. Even under heavy traffic and frequent vehicle loading, they help maintain clear, visible lines for a longer service life.
By increasing the visibility of traffic markings in various weather conditions—including rain, fog, and nighttime driving—glass beads reduce the risk of lane departure and traffic accidents.
Suitable for use with: