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## Glass Beads in Road Marking.
Glass beads are commonly used in road marking to improve the visibility and reflectivity of road markings, especially at night or in poor weather conditions. The glass beads are applied on top of the paint or thermoplastic materials used for road markings to enhance their reflective properties. Here is how glass beads are used in road marking:
### Step 1: Application of Road Marking Material.
First, the road marking material such as paint or thermoplastic is applied to the road surface in the desired pattern or layout using specialized equipment.
### Step 2: Sprinkling of Glass Beads.
While the road marking material is still wet and fresh, glass beads are sprinkled on top of it. The glass beads should be evenly distributed and cover the entire surface of the marking to ensure optimal reflectivity.
### Step 3: Embedded into the Marking.
After the glass beads are sprinkled onto the wet road marking material, they are gently pressed or embedded into the material using a rolling, vibrating, or similar process. This ensures that the glass beads are securely fixed and will not be easily dislodged by traffic or weather conditions.
### Step 4: Curing and Drying.
Once the glass beads are embedded into the road marking material, the marking needs time to cure and dry properly. This allows the material to bond with the glass beads and form a durable and reflective road marking.
### Step 5: Reflectivity Testing.
After the road marking has fully cured, reflectivity testing may be conducted to ensure that the glass beads are providing the desired level of visibility and reflectivity. This testing is important to confirm that the road marking is safe and visible for drivers, especially at night.
In conclusion, glass beads play a crucial role in enhancing the visibility and reflectivity of road markings. By following the steps outlined above, road marking professionals can ensure that the glass beads are effectively used to improve road safety and guidance for drivers.
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