Thermoplastic Paint For Road Marking Durable And High-Performance For Traffic Signs

Thermoplastic Paint for Road Marking Durable and High-Performance for Traffic Signs

                               Product Description                                       

Thermoplastic paint is a kind of paint specifically designed for marking roads, parking lots, and other traffic - related areas.

It is a thermoplastic material. At normal temperature, it's in a solid state. When heated to a certain temperature (usually around 180 - 220 degrees Celsius), it turns into a viscous liquid that can be easily applied to the road surface.

This type of paint contains resins such as petroleum resins and rosin resins. These resins provide good adhesion to the road surface and help the paint to solidify and form a durable marking after cooling. It also includes fillers like calcium carbonate and titanium dioxide. Fillers can improve the hardness and visibility of the markings. Pigments are added to give the paint different colors, such as white, yellow, or other colors required for traffic signs and lane markings.

Once applied and cooled, thermoplastic road - marking paint forms a thick, wear - resistant layer. It can withstand the abrasion of vehicle tires, exposure to sunlight, rain, and other weather conditions, and maintain clear markings for a long time to ensure traffic safety and order.

                                          Application                                            

Here's how to use thermoplastic road marking paint:

Preparation

- Surface cleaning: Thoroughly clean the surface where the coating will be applied. Remove dirt, grease, rust, and other contaminants. You can use detergents, solvents, or mechanical methods such as sandblasting for better adhesion.
- Priming (if necessary): In some cases, a primer may be needed to enhance the bond between the substrate and the hot - melt coating. Make sure the primer is compatible with the coating and the substrate and follow the primer's application instructions.

Heating and Application

- Heating the coating: The thermoplastic hot - melt coating material needs to be heated to its melting point. This is usually done in a specialized heating equipment such as a hot - melt kettle or a melter. The temperature should be carefully controlled according to the manufacturer's recommendations to ensure the coating is in the proper liquid state for application.
- Application methods:
- Spraying: The molten coating can be sprayed onto the surface using a hot - spray gun. This method is suitable for large - area applications and can provide a relatively even coating thickness. However, it requires proper spraying techniques to avoid over - spraying or an uneven finish.
- Extrusion: For applications like road - marking, the hot - melt coating can be extruded through a nozzle directly onto the road surface. The extrusion rate and the movement speed of the equipment need to be coordinated to achieve the desired width and thickness of the coating.
- Roll - coating: A hot - melt roll - coating device can be used to apply the coating. The molten coating is transferred from a reservoir to a roll and then onto the surface. This method is good for flat surfaces and can provide a smooth coating.

Post - Application

- Smoothing and leveling: Immediately after application, if needed, use tools such as a squeegee or a trowel to smooth and level the coating to get the desired surface finish. This step should be done quickly before the coating starts to cool and solidify.
- Cooling and curing: Let the coating cool down naturally to solidify. The cooling time depends on factors such as the ambient temperature, the thickness of the coating, and the type of thermoplastic material. Avoid disturbing the coating during the cooling process to ensure it cures properly and forms a durable film.

                                      Specification                                              

           Advantages of Thermoplastic Road Marking Paint          

Thermoplastic hot melt coatings have the following advantages:

1. Excellent adhesion: They can adhere well to a wide range of substrates such as metals, plastics, and wood. This strong bonding ability ensures that the coating stays in place and provides long - term protection.

2. Fast - drying and curing: These coatings dry and cure rapidly once applied. The quick - setting nature allows for a shorter production or application time, increasing productivity. For example, in road - marking applications, traffic can be allowed back on the marked area sooner.

3. Flexibility: They possess good flexibility. This property enables the coating to withstand substrate movement without cracking or peeling. It can adapt to the expansion and contraction of the underlying material due to temperature changes or mechanical stress.

4. Chemical resistance: Thermoplastic hot - melt coatings can offer resistance to many chemicals such as acids, alkalis, and solvents. This protects the substrate from chemical damage in various environments like industrial settings or outdoor conditions where chemical exposure is possible.

5. Weather resistance: They have good resistance to weathering, including resistance to ultraviolet (UV) radiation, rain, snow, and temperature fluctuations. This makes them suitable for outdoor applications where the coating needs to maintain its integrity and appearance over time.

6. Ease of application: They can be applied using a variety of methods such as spraying, extrusion, or hot - melt roll - coating. This versatility in application techniques allows for efficient coating in different situations and on different types of surfaces.

7. Recyclability: In some cases, thermoplastic hot - melt coatings can be recycled, which is an environmentally - friendly characteristic compared to some other coating types that are not recyclable.