Road Marking Construction CoatingIt controls and guides traffic through lines, arrows, text, and signs (such as elevation signs, raised road signs, and markings), conveying traffic information such as guidance, restrictions, and warnings to road users. The construction of road marking coatings now faces higher demands for the development of traffic safety facilities and their supporting safety, economy, durability, and aesthetic performance due to the increasing traffic volume and gradually rising driving speeds on highways.

　　There are three types of road marking construction coatings: cold-applied thermoplastic coatings, water-based coatings, and solvent-based coatings. Road markings are an important component of traffic facilities. Clear and complete road markings can provide good reflex conditions for drivers and pedestrians, effectively reduce accidents, and improve driving efficiency.

　　Road marking construction coating marking procedure:

　　1. Construction preparation: This includes the construction plan, required equipment, and coatings. Preparations should be made before construction.

　　2. Safety measures: Use road cones and other barriers to isolate the construction section. Place warning signs to remind of construction ahead, and ensure workwear is not worn out.

　　3. Clean the road surface: Use professional equipment such as brooms or road sweepers to clean the road surface.

　　4. Use a pre-marking machine to draw lines.

　　5. Primer application: Apply a primer coat in the areas to be marked to enhance the adhesion of the coating to the road surface.

　　6. Coating: The marking coating manufacturer introduces adjustments to the gap between the marking barrel and the ground. Hot melt paint flows from the marking barrel into the paint bucket below and drives the marking vehicle. The melt flows under its own weight, scraping out a neat marking line. Adjust the equipment and timely distribute reflective glass beads on the marking line.

7. Finishing: After marking, calculate the workload based on the actual completion. Adjust any markings that do not meet requirements, remove overflow and peeling coatings, and check the thickness, size, distribution, and shape of the glass beads.

　　The role of road marking construction coatings is to facilitate traffic separation. According to the road traffic markings on highways, they correctly guide vehicles of different types and speeds to comply with traffic laws and regulations along the dividing lines, thereby improving the road's cargo transport capacity and reducing road traffic accidents. They also mark the road conditions for drivers based on road traffic markings.

　　The characteristics of road marking construction coatings are as follows:

　　1. Fast drying: The drying time of road marking construction coatings varies with temperature. In cold seasons, the hard bottom changes quickly, while in warm seasons, it changes slowly. When the coating dries slowly, not only will the laid glass beads move down into the construction coating, reducing retroreflective capability, but it will also continue to slow down the opening time, reducing road traffic capacity.

　　2. Adhesion: Once the road marking construction coating project begins, it is not easy to fall off or be damaged. Due to its excellent adhesion to the ground, it is not easily altered by vehicle tilting, skidding, or braking systems, nor does it change due to seasonal temperature variations. However, if applied on concrete floors, the adhesion may not be very good, requiring prior cleaning of the paint under the traffic markings to enhance the adhesion between the floor and the paint.

　　3. Recognizability: Due to the reflective effect of the road marking construction coatings themselves, they can be clearly distinguished at any distance, whether during the day or at night. The retroreflective effect directly depends on the quality of the glass bead application, which must be appropriate. Too much or too little will impair the actual retroreflective effect.

　　4. Aging resistance: Weather conditions in the north and south can be integrated, and adjustments to raw material preparation can be made according to different seasonal and climatic conditions, allowing for application in different seasons without issues.

　　5. Scope of application: Suitable for areas with many rollers, lane boundaries, side lines, and grid lines; sidewalks, intersections, underground parking lots, and roads without lighting at night.

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