Highly Reflective AASHTO M249 Hot Applied Road Marking Paint for High-Traffic Areas

Product Description

Hot applied road marking paint is a type of traffic paint used for road markings, such as lane lines, pedestrian crossings, and other highway symbols. It's made from a combination of resins, pigments, and glass beads, and it is applied to the pavement in a molten state, where it hardens quickly upon cooling to form a durable, long-lasting marking.

Here are some key characteristics of thermoplastic pavement markings:

1. Durability: Thermoplastic markings are highly resistant to wear from traffic, weather, and other environmental factors, making them suitable for high-traffic areas.

2. Retroreflectivity: The glass beads embedded in the material help enhance the visibility of the markings, especially at night or in low-light conditions, by reflecting headlights from vehicles.

3. Application: The material is applied hot, at temperatures typically between 375°F and 400°F (190°C to 204°C). It can be applied using specialized equipment that melts the material and spreads it on the road surface.

4. Fast Setting: Once applied, thermoplastic markings cool and harden quickly, allowing roads to be reopened to traffic soon after the markings are made.

5. Types: There are different types of thermoplastic materials based on the specific needs of the application, including standard, thick-film, and preformed thermoplastic markings.

Thermoplastic pavement markings are commonly used for highway, roadway, and airport applications due to their durability, visibility, and resistance to fading.

Usage:

- Clean the surface to be coated thoroughly.
- Ensure the surface is dry and free from contaminants.
- Apply the thermoplastic coating using appropriate application methods such as spraying or brushing.
- Heat the coating to the required temperature to ensure proper adhesion and curing.

Detailed Process of Hot Applied Road Marking Paint Construction

1. Road Cleaning

Before operation, the nearby area must be cleaned to ensure that there are no impurities such as oil, water, fallen leaves, weeds, ect., so as not to affect the adhesion effect, flatness and reflection effect of the line.

2. Set the Point and Mark Line

In the process of sampling, the calculation and measurement must be carried out in strict accordance with the construction drawings. Measure the several lanes that need to be drawn on the road, set the point, and then mark it with a stone pen. Use titanium dioxide powder to glue the rope for the elastic line. After the rope is removed, it will be corrected and improved to ensure that the line shape is clear and accurate.

3. Apply the Primer

The lower coating is a common binder in hot melt marking construction. It is applied to the highway road surface, which can make the hot melt coating better adhere to the road surface.

4. Spray the Paint

Before construction, first check the relevant coating equipment. Then heat the paint.

When the trolley moves forward, the paint will form a coating film on the road, and a layer of glass beads should be sprinkled on the coating film during the coating process.

When the trolley moves forward, take the reference line as the ruler, control the thickness and width of the line, and ensure the coordination, clarity and smoothness of the line connection between the straight line and the curve.

Note: During the coating process, in order to avoid the sedimentation and separation of the paint, it is necessary to stir the paint frequently.

5. Check and Correct

After the coating is completed, check and correct the line shape, check the spread of glass beads, etc.

After confirming that it is correct, the construction site will be cleaned up.

After the line is dried and hardened, the relevant construction equipment can be transferred, the safety facilities can be dismantled, and the traffic can be opened.

Advantages of Hot Melt Marking Paint

The advantages of hot melt marking paint are as follows:

Strong adhesion and durability

- It has strong adhesion to the road surface, ensuring that the marking lines remain intact, clear, and not easily peeled off under the long-term influence of vehicle rolling and various environmental factors.
- It has excellent wear resistance and a long service life, reducing the waste of manpower and material resources caused by repeated constructions and the obstruction to normal traffic.

Good visibility

- Reflective glass beads can be mixed during construction, so the marking lines have good reflective performance at night, which can greatly improve the safety and efficiency of driving at night and make it easier for drivers to see the road markings clearly under low-light conditions.
- The color of the paint itself is bright and eye-catching, providing clear guidance for drivers and pedestrians even during the day.

Rapid drying and convenient construction

- It dries quickly and can be opened to traffic shortly after construction, effectively reducing the impact on traffic and improving construction efficiency.
- The construction method is relatively simple. Usually, a special marking device is used to scrape or spray the melted paint on the road surface, which is easy to operate and can form neat and uniform marking lines.

Economy

- Although its initial purchase cost may be relatively high, due to its long service life, it has good cost-effectiveness in the long run and can reduce the maintenance and re-marking costs of road markings.

Environmental adaptability and maintainability

- It has good weather resistance and water resistance, can adapt to various harsh natural environments, maintain vividness for a long time, and is not easy to fade or be damaged due to natural aging, rain washing, and other factors.
- The later maintenance is relatively easy. If the marking lines need to be modified or removed, the paint can be softened by heating and then processed.

Technical Specification