Thermoplastic spraying road marking machine is different from traditional thermoplastic screeding road marking machine, the thermoplastic spraying road marking machine uses air compressor, high-pressure pump, centrifugal spray, low-pressure air-assisted to atomize and spray the liquid hot-melt material onto the road surface. Reflective glass beads are simultaneously spread, and the marking cools and marking line formulates.
Suspended spray head operates smoothly over gravel, rough concrete, and existing double-line markings without snagging; Ensures uniform thickness when overlaying old lines, preventing edge buildup or burrs.
The coating features a microporous structure that prevents water pooling and ensures even embedding of reflective glass beads; saves 15%–25% of material compared to screed application for the same line width.
Straight edges with no trailing, ideal for residential complexes, industrial parks, highway ramps, text/arrows, and fine dashed lines.
Easily switch between standard spray lines, profiled (rumble) wet-night lines, dotted lines, zebra crossings, and directional arrows by changing the applicator head.
Small walk-behind models are suitable for scattered, small-scale projects; ride-on models operate at speeds two to three times faster than standard screeding machines, enabling high-speed, continuous operation.
Centrifugal spraying: walk behind thermoplastic spraying road marking machine utilizes the principle of centrifugal roller spraying. High-speed rotating components generate centrifugal force to “fling” the molten coating material out, spraying it evenly onto the road surface.
High-pressure airless spraying technology: Ride-on thermoplastic spraying road marking machine uses high pressure to atomize and spray molten thermoplastic coating onto the road surface, creating high-quality road markings.
The molten coating is pressurized to high-pressure pump driven by a hydraulic or pneumatic system. It is then conveyed to the spray gun through insulated piping. As the high-speed coating passes through the gun’s fine nozzle, pressure energy is instantly converted into kinetic energy, atomizing the coating into extremely fine particles that are sprayed onto the road surface. Some advanced systems also feature pressure sensors at the spray gun for precise monitoring and may further regulate flow rate and atomization quality via dedicated calibration orifices.
Hand push Type: Gasoline engine, stepless variable speed, manually assisted hand pushing
Driving Type: Diesel engine, hydraulic drive system, driving speed is controllable
Hand push Type: Petroleum Gas
Driving Type: Diesel burner heating and thermal oil heat preservation
Hand push Type: Manual pressure adjustment
Driving Type: PLC-based digital control for temperature, flow rate, and speed
Comparison | Thermoplastic Spraying | Thermoplastic Screeding |
Applicable Marking Roads | Old Road Surfaces, Rough Roads with Gravels | Flat and New Road Surfaces |
Thermoplastic Paints Using Ratio | Saving 15-25% Using Ratio | More Using Ratio |
Appearance of Road Markings | Edges are Smooth and Free of Burrs. | Edges are prone to dragging and edge buildup |
Rainy Day Reflectivity | Microporous Drainage; Excellent Reflectivity on Rainy Nights. | Dense Coatings are Prone to Water Accumulation and Have Poor Reflectivity. |
Maximum Marking Thickness | Within 2.5mm | 3-4mm |
Cost | The Equipment is Slightly Expensive, but the Consumables Are Cheap | Low Equipment Cost, High Coating Consumption |
