Durable AASHTO M249 Reflective Thermoplastic Paint for Adhesion and Skid Resistance on Road Surfaces
Product Description
AASHTO M249 thermoplastic paint is a reflectorized thermoplastic material specified by the American Association of State Highway and Transportation Officials (AASHTO) under the M249 standard for use in pavement markings. It’s a solid compound composed of synthetic resins, plasticizers, pigments, fillers (such as calcium carbonate), and glass beads, which is heated to a molten state (typically 180°C–220°C) and applied to road surfaces like asphalt or concrete. Once cooled, it hardens into a durable, weather-resistant, and retroreflective stripe, ideal for high-visibility road markings such as lane lines, crosswalks, and symbols.
Key Properties:
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Composition: Contains at least 18% binder (resin), 30–40% glass beads for reflectivity, and, for white markings, a minimum of 10% titanium dioxide for brightness.
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Colors: Available in white and yellow, meeting specific reflectance standards.
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Performance: Designed for adhesion, skid resistance, and durability under heavy traffic and harsh weather, with tests for bond strength, cracking resistance, and softening point.
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Application: Applied hot using equipment like extruders or sprayers, often at a thickness of 30–125 mils (0.76–3.18 mm).
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) |
Steps to Use Thermoplastic Paint:
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Surface Preparation:
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Clean the surface thoroughly to remove dirt, dust, oil, or loose debris. Use a broom, wire brush, or pressure washer as needed.
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Ensure the surface is dry, as moisture can prevent proper adhesion.
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For porous surfaces like concrete, you may need to apply a primer to enhance bonding. Check the manufacturer’s instructions.
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Heat the Thermoplastic:
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Load the thermoplastic material into a preheater or melting kettle.
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Heat it to the recommended temperature, typically between 180°C and 220°C (356°F to 428°F), depending on the specific product. Stir occasionally to ensure even melting and to avoid scorching.
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Monitor the temperature carefully—overheating can degrade the material.
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Test the Consistency:
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The molten thermoplastic should have a smooth, liquid consistency, free of lumps. If it’s too thick, it won’t apply evenly; if too thin, it may not set properly.
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Apply the Paint:
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For Road Markings: Use a striping machine or screed box to pour the molten thermoplastic onto the surface in the desired pattern. Work quickly, as it begins to cool and harden once applied.
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For Smaller Areas: Use a hand-held applicator or trowel to spread the material evenly.
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Maintain a consistent thickness (usually 1.5–3 mm, depending on the project requirements).
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Add Glass Beads (Optional):
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For reflective markings (e.g., road lines), sprinkle glass beads over the wet thermoplastic immediately after application. The beads will embed as it cools, improving visibility.
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Cooling and Setting:
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Clean Up:
| 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 |
