Primer is the bonding layer beneath thermoplastic markings — it prevents film peeling and greatly improves adhesion between the coating and the road. The YD-18AZ auto-pressure primer sprayer is purpose-built for this step: before laying thermoplastic lines, it applies an even coat of primer to the pavement so the new markings stay firmly bonded for the long term.
It uses a travel-driven mechanical automatic pressurization system that needs no external power source or engine — stable spraying pressure is generated simply by pushing the machine forward. This cuts labor effort, raises efficiency, and runs clean with no exhaust and low noise. A handlebar (gate) control makes start/stop effortless, while the spray-gun frame rides on a guide rod for quick, accurate line-width adjustment.
Compact, lightweight and stable, the YD-18AZ is easy to operate and maintain, making it the ideal primer solution to pair with your hand-push or self-propelled marking machine.
| Dimensions | 600 × 400 × 1350 mm |
|---|---|
| Weight | 36.5 kg |
| Spray width | 50-450 mm |
| Power | Mechanical automatic pressure |
| Pressure mode | Gear Pump |
| Maximum pressure | 0.3-0.7 MPa |
| Displacement | 6 ml/r |
| Application | High pressure air blowing for road surface cleaning before marking |
|---|---|
| Features | Compact design, powerful airflow, efficient dust and debris removal |
| Application | Steel wire brushing for road surface preparation and old marking cleaning |
|---|---|
| Features | Durable steel wire brush, adjustable brushing depth, efficient surface treatment |
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Our standard MOQ is 1 unit for most machines, so you can start with a single unit or a small trial order. For larger projects we offer tiered factory-direct pricing - contact us with your quantity for a tailored quote.
Primer (tack coat) bonds the thermoplastic line to the road surface, markedly extending line life - especially on concrete and worn asphalt where adhesion is the weak point.
A gear pump with mechanical automatic pressure sprays at 0.3 - 0.7 MPa across a 50 - 450 mm width. The machine weighs only 36.5 kg - one operator can load it into a van.
Roadnet also offers the YD-CFI high-pressure air blower for cleaning the road surface before marking and the YD-QSI steel wire cleaning machine for surface preparation and old marking cleaning.
At US $800 - 1,200 per set with MOQ 1 set, it is a low-cost way to raise line durability on every project - primer typically extends thermoplastic line life substantially at minimal cost per kilometer.
We accept T/T and other common methods, and ship by sea or air to your nearest port/airport with full documentation. We work with worldwide freight forwarders and can quote landed cost on request.
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