Overview of AASHTO M247-I Intermix Glass Beads
AASHTO M247-I Intermix glass beads are used in traffic paint to enhance nighttime visibility of road markings. These tiny, spherical beads reflect light from vehicle headlights back towards the driver, making road markings much easier to see in the dark. Manufactured to the strict specifications of the American Association of State Highway and Transportation Officials (AASHTO), these beads ensure consistent quality and performance.
Specifications and Technical Data
| Parameter | Details |
|---|---|
| Composition | High-quality glass |
| Appearance | Transparent, colorless |
| Shape | Spherical |
| Refractive Index | ≥1.5 |
| Size Range | 53 – 1180 microns |
| Roundness | ≥80 |
| Hardness | 6-7 Moh’s |
| Coating Types | Moisture proof coating, Flotation coating, Adhesion coating |
| Application Method | Mixed directly into paint |
| Durability | Maintains reflectivity for 1 – 3 years depending on use |
| Standards | AASHTO M247 |
Benefits of AASHTO M247-I Intermix Glass Beads
Enhanced Nighttime Visibility
The primary benefit of AASHTO M247-I Intermix glass beads is their ability to significantly improve nighttime visibility. By reflecting vehicle headlights, these beads make road markings much more visible in low-light conditions, enhancing road safety.
Durability and Longevity
AASHTO M247-I glass beads are designed to withstand harsh weather conditions and constant wear from traffic. This durability ensures that road markings remain reflective and effective for longer periods, reducing the frequency of maintenance.
Cost-Effectiveness
While the initial cost of high-quality glass beads might be higher, their longevity and reduced maintenance requirements make them a cost-effective solution in the long run. They provide a better return on investment compared to cheaper, lower-quality alternatives.
Compliance with Standards
Using AASHTO M247-I Intermix glass beads ensures compliance with recognized standards, which is crucial for public road projects. This compliance not only guarantees performance but also facilitates easier approval processes for road marking projects.
Features of AASHTO M247-I Intermix Glass Beads
High Reflectivity
One of the standout features of these glass beads is their high reflectivity. This characteristic is essential for improving the visibility of road markings at night and in poor weather conditions, ensuring drivers can see lane markings, crosswalks, and other important indicators.
Consistent Quality
Manufactured to meet stringent AASHTO standards, these glass beads offer consistent quality. This consistency is critical for large-scale projects where uniform performance is necessary across all road markings.
Versatility
AASHTO M247-I Intermix glass beads can be used in various types of traffic paints and marking materials. Whether you’re working with waterborne, solvent-borne, or thermoplastic paints, these beads integrate seamlessly, providing the same level of reflectivity and durability.
Environmentally Friendly
Made from recycled glass, these beads contribute to sustainability efforts in construction and road maintenance. Their environmentally friendly nature makes them a preferred choice for eco-conscious projects.
FAQs about AASHTO M247-I Intermix Glass Beads
What are AASHTO M247-I Intermix glass beads?
They are reflective glass beads used in road markings to enhance visibility, especially at night.
Why are these beads important for road safety?
They reflect headlights back to the driver, making road markings visible in low-light conditions.
How are these beads applied?
They are typically intermixed into traffic paint or applied to wet paint during road marking processes.
What sizes are available?
They range from 212 µm to 850 µm, catering to various application needs.
Are AASHTO M247-I beads environmentally friendly?
Yes, they are made from recycled glass, contributing to sustainability.
Can these beads withstand harsh weather?
Yes, they are designed to be durable and resist wear from traffic and weather conditions.
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