In high-demand industries where durability, waterproofing, and anti-corrosion are non-negotiable, polyurea coating machine is redefining application standards. These machines deliver ultra-fast curing times, superior chemical resistance, and unmatched mechanical strength—far beyond conventional coating systems.
YG’s Polyurea Coating Machine Parameter
| Model | YG-25 | YG-30 | YG-28 | YG-36 |
| Power | three-phase 380V 50Hz | three-phase380V 50Hz | three-phase 380V 50Hz | three-phase 380V 50Hz |
| Heating power | 9.5KW | 18KW | 15KW | 22KW |
| Driven mode | pneumatic | pneumatic | pneumatic | hydraulic |
| Air source | 0.5~0.8MPa≥ 0.9m3/minute | 0.5~0.8MPa≥ 1.2m3/minute | 0.5~1 MPa≥ 1m3/minute | 0.5~0.8MPa≥ 0.5m3/minute |
| Material output | 2-10kg/minute | 2-10kg/minute | 2-10kg/minute | 2-12kg/minute |
| Max pressure | 25Mpa | 30Mpa | 28Mpa | 36Mpa |
| AB ratio | 1:1 | 1:1 | 1:1 | 1:1 |
Industrial Applications of Polyurea Spray Equipment
Polyurea coating machines are indispensable in multiple high-performance sectors. Here are three common use cases:
- Pipeline Anti-Corrosion Projects: In energy and water infrastructure, corrosion is a major cause of system failure. Using YG’s polyurea spray machine for sale enables seamless coating application inside large-diameter pipelines, providing chemical resistance and long-term durability.
- Commercial Roofing and Waterproofing: Polyurea spraying equipment is widely used in flat roof waterproofing projects. Fast curing and seamless application reduce project time and eliminate water ingress points common with traditional membranes.
- Marine and Industrial Tank Lining: Polyurea coating systems are preferred for protecting steel and concrete tanks against saltwater, industrial chemicals, and abrasives. With YG’s machine, application teams can operate at pressures up to 36MPa, achieving dense coatings that last for decades.
These use cases highlight how investing in the right polyurea spray machine—despite initial polyurea spray machine price differences—yields greater lifetime value and reliability.
How to Choose the Right Polyurea Coating Machine?
When purchasing a polyurea machine, decision-makers should focus on four critical aspects:
- Heating Efficiency: High wattage heating (at least 18KW) ensures quick material readiness, especially in cold environments.
- Drive Type Compatibility: Hydraulic machines offer better consistency for high-volume or vertical surface applications.
- Output Control: Look for adjustable material output (2–12kg/min) to adapt to both detailed and large-area spraying jobs.
- Operator Safety Features: YG machines are equipped with emergency shutoff switches, pressure relief valves, and multi-leakage protection systems to safeguard users during operation.
These factors help clients select models that best align with their application environment and performance goals.
Polyurea vs. Polyurethane Spray Machines
| Feature | Polyurea Coating Machine | Polyurethane Spray Machine |
| Main Use | Waterproofing, anti-corrosion, industrial wear resistance | Insulation, thermal protection, foaming applications |
| Material Type | Polyurea elastomer (fast-reacting, high tensile strength) | Polyurethane foam (slow-reacting, insulating material) |
| Reaction Time | Ultra-fast (2–5 seconds) | Moderate (5–20 seconds) |
| Curing Time | Cures within seconds, even in humid environments | Cures slower, sensitive to humidity |
| Mixing Method | High-pressure, impingement mixing for rapid reaction | Can use lower-pressure or mechanical mixing |
| Spray Pressure | Typically 2000–3000 psi (very high) | 800–1600 psi (moderate) |
| Surface Application | Concrete, steel, wood, geotextile, marine structures | Roofs, walls, ceilings, refrigeration panels |
| Tensile Strength | High (≥ 20 MPa), excellent elasticity and crack resistance | Lower (5–10 MPa), optimized for insulation |
| Chemical Resistance | Excellent: resistant to solvents, fuels, acids, UV | Moderate: can degrade in chemical or UV-heavy environments |
| Typical Application Areas | Bridges, tunnels, tanks, pipelines, wastewater facilities | Home insulation, refrigerated warehouses, cavity filling |
| Equipment Requirements | Requires advanced hydraulic or pneumatic systems, precise control | Simpler system, generally easier to maintain |
| Cost of Equipment | Higher initial investment due to complexity | Lower initial cost |
Summary:
- Polyurea coating machines are built for fast-curing, high-performance elastomers suitable for industrial protection, waterproofing, and chemical resistance.
- Polyurethane spray machines focus on insulation and foaming, providing cost-effective thermal solutions for construction and refrigeration.
If you’re dealing with demanding environments requiring long-term durability, polyurea is the superior solution. For insulation and lower-cost thermal protection, polyurethane remains ideal.
Simplified Working Principle
The machine uses two components: isocyanate (A) and resin blend (B). These are pressurized, heated, and delivered to the spray gun through dual hoses. Inside the gun, the components mix under high pressure (up to 36MPa) and atomize into a uniform coating, curing within seconds after application.
Why Choose YG Machinery?
YG Machinery is a trusted manufacturer of high-efficiency construction and industrial spraying equipment. With over 15 years of R&D, we supply machinery to over 30 countries worldwide. Our polyurea coating machines are engineered for long service life, consistent performance, and low maintenance. In addition, we offer: polyurethane foam spray machines, mortar spray machines, sandblasting machines, gypsum spray plaster machines, fog cannons for dust suppression, etc. Contact us today.【WhatsApp/WeChat/Skype/Phone】: +86 13837115193.