

Industrial waterproofing and corrosion protection projects demand fast curing, seamless coverage, and long-term durability under harsh conditions.
This polyurea spray machine is engineered specifically for high-demand industrial applications, delivering seconds-level curing, uniform coating thickness, and reliable performance across infrastructure, tanks, pipelines, and heavy-duty surfaces.
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Polyurea Spray Machine Parameters
| Project | YGMC-500 high configuration PU Machine |
| Proportion Fixed Mainframe | 1 set |
| Self-cleaning spray gun | 1 set |
| Gross weight | 300KG |
| Net weight | 250KG |
| Feed pump | 2 sets |
| Heated hose | 49.2 ft (15 m) |
| Data ratio of raw materials | 1: 1 (fixed) |
| Raw material viscosity range | 200-1000CPS (at working temperature) |
| Max Working pressure | 35MPa (350 bar) |
| Maximum Fluid Temperature | 88 ° C (190 ° F) |
| Maximum output | 24kg/min (42 lb/min) |
| Each heater power | 6000W |
| Heating hose power | 1000W / 15m |
| Total power | 15000W |
| Voltage | 230V 1-ph / 3-ph 220V/400V 3-ph |
| Machine size | 870mm* 700mm* 1150mm |
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Key Features of Polyurea Spray Machine
A polyurea spray machine is designed to meet the strict performance requirements of industrial protective coating applications. Its core features focus on precision, stability, and durability:
- High-pressure plural-component system: Independently delivers isocyanate and resin at controlled pressure for consistent mixing quality.
- Accurate temperature and ratio control: Precisely heats and proportionally mixes two reactive components to ensure stable chemical reaction.
- Instant curing capability: Produces fast-gelling polyurea coatings that cure within seconds, enabling rapid project turnaround.
- Seamless and uniform coating output: Forms continuous, joint-free protective layers with strong adhesion to various substrates.
- Industrial-grade durability: Supports long-term resistance to water, chemicals, abrasion, and mechanical impact.
These features make the polyurea spray machine suitable for continuous operation on large-scale and high-demand job sites.
Application Scenarios
Polyurea spray machines are widely used in projects where long-lasting protection and fast construction cycles are critical:
- Waterproofing systems: Roofs, basements, underground structures, and water containment areas.
- Infrastructure protection: Tunnels, bridges, highways, and municipal facilities exposed to harsh environments.
- Industrial surfaces: Steel structures, factory floors, warehouses, and heavy-duty work areas.
- Pipeline and tank protection: Oil, gas, chemical pipelines, storage tanks, and secondary containment systems.
- Marine and offshore applications: Anti-corrosion coating for docks, ships, offshore platforms, and coastal facilities.
These application scenarios highlight the functional differences between polyurea spray machines and polyurethane spray equipment, which is primarily used for insulation rather than protective coating.
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How does a polyurea spray machine work?
A polyurea spray machine operates using a high-pressure hot spray process.
The working principle includes:
- Separate heating of Component A and Component B
- Precise ratio control through a proportioning unit
- Pressurization to atomization pressure
- Instant mixing inside the spray gun chamber
- Rapid curing upon contact with the surface
Because polyurea reacts extremely fast, temperature stability and pressure balance are critical to coating quality.
Polyurea spray machine vs polyurethane spray machine
Although the equipment structure may appear similar, the application focus is fundamentally different.
| Item | Polyurea Spray Machine | Polyurethane Spray Machine |
| Main purpose | Waterproofing & protective coating | Thermal insulation & foam |
| Curing speed | Seconds | Slower |
| Typical projects | Infrastructure, industrial coating | Buildings, cold storage |
| Coating thickness | Thin to medium | Thick foam layers |
This page focuses exclusively on polyurea spray systems, not foam insulation equipment.
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Polyurea spray machine price: what affects the cost?
The polyurea spray machine price varies depending on technical configuration and application requirements.
It is not determined by one single parameter.
Key factors include:
- Maximum working pressure
- Heating power and temperature stability
- Hose length and insulation performance
- Spray gun type and mixing chamber design
- Control system and automation level
- Power supply standard (electric / diesel)
Machines designed for large-scale industrial coating projects usually cost more than entry-level models for small waterproofing jobs.
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how to choose the right model?
When selecting polyurea equipment for sale, the key is matching the machine to the actual application, not simply choosing the highest specification.
Consider the following points:
- Project type (roof, tunnel, tank, steel structure)
- Required output and daily working hours
- Ambient temperature and site conditions
- Transportability and power availability
- Maintenance accessibility and spare parts supply
A correctly matched system improves coating quality and reduces long-term operating cost.
Maintenance and operation considerations
Proper maintenance directly affects service life and spraying consistency.
Basic maintenance practices include:
- Daily flushing after operation
- Regular inspection of seals and filters
- Monitoring hose heating performance
- Keeping spray gun mixing chambers clean
With correct use and routine servicing, a polyurea spray machine can operate reliably for years in harsh environments.


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FAQ about polyurea spray machine
1.What is the typical polyurea spray machine price range?
Prices vary depending on configuration, pressure level, and heating capacity. Industrial-grade machines are priced higher than compact project models. A quotation is usually based on application requirements.
2.Is a polyurea coating machine the same as a polyurea spray machine?
Yes. In industrial usage, polyurea coating machine and polyurea spray machine generally refer to the same type of equipment, emphasizing coating application rather than insulation.
3.Can one machine spray both polyurea and polyurethane?
Some systems can handle both materials with configuration adjustments, but optimal performance requires calibration. This page focuses on machines configured for polyurea coating applications.
4.What projects are not suitable for polyurea spray machines?
Polyurea spray machines are not intended for low-density foam insulation or residential thermal sealing, which are better served by polyurethane spray machines.
5.How often does the machine require maintenance?
Routine daily cleaning and scheduled part replacement are recommended. Maintenance frequency depends on usage intensity and material type.
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polyurea spray machines in YG Machinery
A polyurea spray machine is a specialized high-pressure coating system used for waterproofing and industrial surface protection where durability and fast curing are critical.
Understanding configuration differences, price factors, and application requirements is essential when selecting polyurea equipment for sale.
When properly chosen and maintained, this equipment delivers reliable performance across demanding industrial environments.




