Looking for a reliable polyurea spray machine for waterproofing projects?
Contractors often face these problems:
- uneven coating thickness
- slow manual waterproofing construction
- poor adhesion and coating cracks
A high-pressure polyurea spray machine solves these issues by mixing two components at high pressure and spraying them instantly onto the surface, creating a durable waterproof and protective coating within seconds.
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Polyurethane 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 |
Key Features Contractors Care About
1.High Pressure Spray System
The machine delivers up to 35 MPa spraying pressure, ensuring uniform coating and strong adhesion.
High pressure is essential for polyurea materials to mix and react properly.
2.Stable 1:1 Material Mixing
The equipment accurately mixes the two components of polyurea in a 1:1 ratio, ensuring consistent coating quality.
This prevents common problems such as:
- incomplete curing
- uneven coating thickness
3.High Construction Efficiency
Material output: up to 24 kg/min
This allows contractors to cover large areas quickly, making the machine suitable for large waterproofing and industrial coating projects.
4.Accurate Heating System
Heating temperature: 0-85 °C
Proper heating ensures materials maintain the correct viscosity for smooth spraying.
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Typical Application Scenarios of PU Spray Machine
Building and Roof Insulation
- Residential and commercial buildings
- Warehouses and factory roofs
- Energy-saving renovation projects
Polyurethane foam spraying improves thermal performance while adapting to complex roof structures.
Cold Room and Cold Storage Insulation
- Cold rooms and refrigerated warehouses
- Cold storage panels and walls
In these projects, customers often search for a polyurethane foam machine for sale that can deliver stable insulation thickness and fast application.
Industrial Waterproofing and Anti-Corrosion
When configured as a polyurea spray system, the machine is also used for:
- Steel structures
- Storage tanks and pipelines
- Industrial floors and equipment surfaces
Polyurea coatings provide excellent resistance to moisture, chemicals, and abrasion.
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Polyurethane Spray Machine vs Polyurea Spray Machine
Although the equipment structure is similar, the application focus is different.
| Item | Polyurethane Spray Machine | Polyurea Spray Machine |
| Main purpose | Thermal insulation & foam | Waterproofing & protective coating |
| Material state | Foam (expanded) | Solid elastomer coating |
| Curing speed | Moderate | Extremely fast |
| Typical projects | Buildings, cold storage | Infrastructure, industrial coating |
| Coating thickness | Thick insulation layers | Thin to medium layers |
This page focuses on polyurethane spray machines with optional polyurea capability, not dedicated industrial-only coating systems.
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What Affects the Polyurethane Spray Machine Price?
The polyurethane spray machine price depends on technical configuration rather than a single factor.
Key price factors include:
- Maximum working pressure
- Heating power and temperature stability
- Output capacity
- Hose length and heating efficiency
- Spray gun type and mixing chamber design
- Control system and automation level
- Power supply (electric or diesel)
Machines designed for continuous industrial operation typically cost more than compact models for small projects.
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How to Choose the Right Polyurethane Spray Machine?
When selecting a polyurethane spray machine, matching the equipment to actual project needs is more important than choosing the highest specification.
Key selection considerations:
- Primary application (insulation, waterproofing, or both)
- Required daily output and working hours
- Ambient temperature and site conditions
- Transportability and power availability
- Maintenance accessibility and spare parts support
A properly matched machine improves application quality and reduces long-term operating costs.
Maintenance and Operation Considerations
Routine maintenance is essential for stable performance and service life.
Basic maintenance practices include:
- Daily flushing after spraying
- Regular inspection of seals and filters
- Monitoring hose heating performance
- Cleaning spray gun mixing chambers
With correct operation and routine servicing, a polyurethane spray machine can operate reliably for years.
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FAQ – Polyurethane Spray Machine
Q1: Can one machine spray both polyurethane and polyurea materials?
Yes. With proper configuration and calibration, one machine platform can handle both materials.
Q2: What is the typical polyurethane spray machine price range?
Prices vary depending on pressure, output, and heating capacity. Quotations are usually based on application requirements.
Q3: Is this machine suitable for small projects?
Yes. Compact models are available for small and medium-scale insulation projects.
Q4: What projects are not suitable for polyurethane spray machines?
Low-budget manual insulation projects or applications requiring only thin decorative coatings may not require spraying equipment.
Q5: How often does maintenance need to be performed?
Daily cleaning and scheduled inspection are recommended. Maintenance frequency depends on usage intensity and material type.
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Polyurethane Spray Machines from YG Machinery
YG Machinery provides polyurethane and polyurea spraying solutions for construction and industrial applications.
Our capabilities include equipment customization, stable configuration matching, and long-term technical support.
Understanding application requirements, configuration differences, and operating conditions is essential when selecting a polyurethane spray machine.
With the right system and proper maintenance, the equipment delivers consistent performance across insulation and protective coating projects.
