ISO9001 Strong Adhesion Thermoplastic Reflective Road Construction
Marking Paint
Product Description
Thermoplastic road marking paint is used for creating road markings
like lines, symbols, and safety indicators on roads, highways, and
parking lots. It’s a thermoplastic paint that becomes liquid when
heated and solidifies as it cools down.
The application of thermoplastic road marking paint is a widely used technique for creating durable, reflective, and
highly visible markings on roads, highways, and other traffic
areas. Thermoplastic paint is a type of paint that becomes fluid
when heated and solidifies quickly when cooled, providing a strong,
wear-resistant finish. Here's a detailed guide to applying
thermoplastic road marking paint:
1. Surface Preparation
Before applying thermoplastic paint, proper surface preparation is
crucial to ensure good adhesion and longevity of the markings.
- Clean the Surface:
- Remove dirt, dust, oil, grease, and any debris from the road
surface using a broom, pressure washer, or mechanical cleaner.
- If there are existing road markings that need to be replaced, they
should be removed using a suitable method, such as shot blasting or
grinding.
- Dry the Surface:
- Ensure the surface is dry and free from moisture before applying
the thermoplastic paint. Moisture can interfere with paint
adhesion.
2. Heating the Thermoplastic Paint
Thermoplastic paint must be heated to a specific temperature for
proper application.
- Heat the Paint:
- Thermoplastic paint is solid at room temperature and needs to be
heated to about 180°C to 200°C (356°F to 392°F) for application. Use a melting pot or heated tank to heat the paint.
- Ensure the paint is evenly heated and mixed to prevent the
formation of lumps or inconsistent thickness in the application.
- Monitor the Temperature:
- Maintain the paint at the correct temperature. Overheating can
degrade the quality, while underheating can cause poor application
and inconsistency.
3. Application Process
Once the paint is ready, it can be applied using specialized
equipment.
- Use a Road Marking Machine:
- A road marking machine is typically used for applying thermoplastic paint. This machine
can be manual, semi-automatic, or fully automatic, depending on the
scale of the job and the level of precision required.
- These machines use a spray system or extrusion applicator to apply the melted paint onto the road surface. The machine is
set to ensure even distribution and control over the thickness of
the lines.
- Apply the Paint:
- The paint is applied in an even layer to form the desired markings.
This could include solid lines, dashed lines, or symbols (like
arrows, pedestrian crossings, etc.).
- Ensure the machine maintains a constant speed to avoid uneven lines
or inconsistent thickness.
- Optional Glass Beads:
- Glass beads can be added either mixed into the paint before
application or sprinkled on top immediately after the paint is
applied. These beads make the road markings reflective, improving visibility at night.
4. Cooling and Solidification
Thermoplastic paint begins to cool and solidify immediately after
application.
- Cooling Time:
- As the thermoplastic paint cools, it hardens quickly. This process
usually takes only a few minutes, but it can depend on the air temperature and humidity.
- Traffic Control:
- While the paint solidifies rapidly, it’s important to keep traffic
off the freshly marked surface until the paint is fully cured to
avoid smearing or damage.
5. Post-Application Checks
Once the thermoplastic paint is applied, some checks and
maintenance steps should be followed.
- Inspection:
- Inspect the markings to ensure they are uniform and without defects
such as cracks, bubbles, or incomplete lines.
- If any defects are found, they should be fixed before the paint
completely hardens.
- Curing Time:
- Full curing of the paint may take a few hours to reach maximum
hardness. Ensure that the marking areas are not exposed to heavy
traffic during this period.
6. Equipment Cleaning and Maintenance
After the job is completed, it's important to clean your equipment.
- Clean the Road Marking Machine:
- After finishing the application, clean the marking machine and any
tools thoroughly to prevent the thermoplastic paint from hardening
inside the machine.
- Use appropriate solvents for cleaning, ensuring that no paint
residue is left behind in the system.
7. Safety Considerations
Given the high temperatures involved, safety is a priority.
- Wear Protective Gear:
- Always wear heat-resistant gloves, safety goggles, and protective clothing to prevent burns and injuries from the hot paint and equipment.
- Ventilation:
- Ensure good ventilation, especially when working in enclosed areas,
as heating thermoplastic paint can release fumes that should not be
inhaled.
Advantages of Thermoplastic Paint
- Durability: Hot melt paint is more resistant to wear and tear compared to
traditional paint, especially in high-traffic areas.
- Quick Drying: The paint dries and hardens quickly, allowing roads to be
reopened to traffic sooner.
- Visibility: When glass beads are added, the markings are highly reflective,
improving road safety, particularly at night.
- Cost-Effective: Although the initial cost of the equipment may be higher, the
longevity and reduced maintenance needs make it cost-effective in
the long run.
By following these steps, you ensure that your road markings are
long-lasting, clear, and effective, enhancing safety for both
drivers and pedestrians.
Specification
Gravity(g/㎥) | 2.1g/㎥ |
Color | Yellow, Orange, Red and etc. |
Heating Temperature | 180℃-220℃ |
Softening Point(℃) | 110℃ |
Coating Appearance | No wrinkles, dots, blisters, cracks,fall-out&stick tyres |
Drying Time(min) | Within 3 minutes |
Chroma Performance | Reverse materials(white) |
Compressive Strength(Mpa) | 26 |
Abrasive Resistance(mg) | 42 |
Alkali Resistance | Great (in saturated solution of calcium hydroxide for 24 hours |
Glass Beads(%) | 19% |
Fluidity(s) | 40s |
Coating Resistance | Resis -10℃ for 4 hours |
Package | 25kg/bag, by plastic woven bag. One 20’container can load Max 26
tons |
Heat Resistance | Under 200℃-220℃ for hours |
Material | C5 Petroleum Resin, CACO3, Wax, Glass Beads, EVA, PE and so on. |
Application | Road marking, straight line, dotted line, curve, oriented
arrow,letter and etc. |
Water Resistance | Great (in water for 24 hours) |
Density(g/cm3) | 1.8-2.3 |
Softening point (℃) | 90-125 |
Compressive Strength(MPa) | ≥12 |
Glass bead content(%) | 0-30% |
Liquidity | 35±10 |
Packing | 25kg/bag |
Color | White/Yellow/Blue/Red/Green/Customized |
Executive standard | JT/T280-2004/AASHTO/BS3262/Customized |
Appearance | Powder |
Construction temperature | 180℃-220℃ |
Whiteness | 70-85(Customized) |
Inverse coefficient | 50-550 |
Warranty | 12 months |
Storage Method | Avoid light and moisture |
Packing Size | 45×70×5CM |
