Thermoplastic road marking paint, also known as hot melt marking paint, is a widely used material for creating durable, high-visibility road markings. Below is a concise overview based on available information:

Composition

Synthetic Resin: Provides thermoplasticity, enabling fast drying and strong adhesion to road surfaces. Non-polymeric resins, like colophony, are also used.
Glass Beads: Added for retro-reflectivity, improving visibility at night by reflecting vehicle headlights. Bead sizes typically range from 0.1-1.4 mm.
Pigments: Common colors are white (using titanium dioxide for UV resistance) and yellow (organic pigments like Pigment Yellow 65, 74, or 83). Other colors are available for specific applications.
Fillers: Fine fillers (e.g., calcium carbonate) and coarse fillers (e.g., sand) enhance mechanical strength, wear resistance, and surface texture.
Additives: Improve plasticity, resistance to subsidence, pollution, and color fading. Anti-skid aggregates can be added for better traction.

Application Methods
Hot-Applied: Powdered thermoplastic is heated to ~200°C (392°F) in a kettle and applied via spray, screed, or extrusion for road markings.
Preformed Thermoplastic: Pre-cut shapes (e.g., arrows, letters) are heated with a torch or heat gun and bonded to surfaces, ideal for symbols or small areas.
Liquid Thermoplastic: Cold-applied, waterborne versions are sprayed for easier application, though less common.
Surface Prep: Surfaces must be clean, dry, and sometimes primed (e.g., for concrete or old asphalt) to ensure adhesion.

Key Advantages for Applications
Durability: Lasts 4-10 times longer than traditional paints, reducing maintenance costs.
Reflectivity: Glass beads enhance night and wet-weather visibility.
Anti-Skid: Additives improve traction, critical for pedestrian and vehicle safety.
Fast-Drying: Sets in minutes, ideal for high-traffic areas.
Eco-Friendly Options: Low-VOC or recyclable formulations available.

Technical Specification

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

Hot-Applied Thermoplastic Paint Fast And Easy Application For Durable Road Markings

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