

YG Machinery has shipped a high-pressure polyurea spray machine for sale to an industrial waterproofing contractor in São Paulo, Brazil. The contractor needed a reliable polyurea coating machine for large concrete tanks and floors. Their old equipment caused uneven coating thickness and slow curing. The new system improved pressure stability and mixing accuracy. This case study shows how the right machine can solve real jobsite problems.
Specifications of Polyurea Spray Machine
| Model | YG-H-T50 | YG-H5600T | YG-H-T40 | YG-H5600 | YG-Q30 | YG-IIIH |
| Power Supply | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/220V | 380V/220V |
| Heating Power | 25 kW | 25 kW | 22 kW | 22 kW | 15 kW | 9.5 kW |
| Total Power | 29 kW | 29 kW | 26 kW | 26 kW | 15.5 kW | 9.5 kW |
| Drive Type | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Pneumatic | Pneumatic |
| Material Output | 2–8 kg/min | 2–8 kg/min | 2–12 kg/min | 2–12 kg/min | 2–10 kg/min | 2–10 kg/min |
| Air Supply | ≥0.6 m³/min | ≥0.6 m³/min | ≥0.6 m³/min | ≥0.6 m³/min | 0.5–1 MPa ≥1 m³/min | 0.5–0.8 MPa ≥0.9 m³/min |
| Max Output Pressure | 36 MPa | 36 MPa | 36 MPa | 36 MPa | 28 MPa | 25 MPa |
| A/B Ratio | 1:01 | 1:01 | 1:01 | 1:01 | 1:01 | 1:01 |
| Heating Temperature Range | 0–85°C | 0–85°C | 0–85°C | 0–85°C | 0–85°C | 0–80°C |
| Packaging Size (LWH) | 1350×1150×1650 mm | 1350×1150×1650 mm | 1250×1050×1500 mm | 1250×1050×1500 mm | 850×850×1650 mm | 850×850×1650 mm |
| Gross Weight | 420 kg | 420 kg | 350 kg | 350 kg | 200 kg | 205 kg |
| Air Compressor | – | 4 kW, 0.5 m³/min | 4 kW, 0.5 m³/min | – | 7.5 kW, 0.9–1.0 m³/min, 8 bar | – |

Challenges with Polyurea Coating Machine in Brazil
The contractor worked on industrial floors and concrete tanks in São Paulo. Their old polyurea equipment caused repeated problems.
Unstable pressure – Pressure changed during spraying. This made coating thickness uneven.
Wrong mix ratio – The A/B ratio drifted. Curing time became inconsistent.
Wet spots – Some areas stayed wet for too long.
Gun clogging – The gun clogged often. Each clog stopped work for 30 to 45 minutes.
Poor hot-weather performance – The old air-driven system did not work well in Brazil’s hot and humid weather.The team needed a better solution.
Polyurea Spray Machine Solution for Brazil
YG Machinery reviewed the job site, weather, material viscosity, and work hours. The team recommended a hydraulic-driven polyurea sprayer for the Brazilian climate.
Stable pressure – It keeps pressure steady even at 35°C or higher.
Accurate mixing – A fixed 1:1 ratio for A and B parts removes mixing errors.
Better heating – Separate heating units warm each part. A heated hose keeps material flowing at the gun.
Less downtime – A self-cleaning gun reduces stoppages. The mobile frame makes it easy to move between sites.
Works with two materials – The system also works with polyurethane.The polyurea spray machine price was lower than European brands with similar performance.

Results from Polyurea Coating Equipment in Brazil
The new polyurea spray equipment ran for over 6 hours at 38°C.
Stable pressure – Pressure stayed within ±3%.
Even coating – Coating thickness became consistent. Pinholes and peeling complaints stopped.
Higher output – Daily output increased by about 40%.
Lower labor – One operator could manage the whole system. No extra person was needed to adjust pressure or clean the gun.Faster projects – The contractor finished projects faster, reduced rework, and took on larger waterproofing contracts.
Why Choose YG Polyurea Coating Equipment
The contractor chose YG for four main reasons.
Climate-ready drive – The hydraulic drive works well in Brazil’s climate. Air-driven units lose pressure in high heat.
Complete package – The package includes host, gun, heated hose, and A/B material lines. No extra parts are needed. This lowers setup time and risk.
Good value – The polyurea spray machine for sale costs less than European brands but keeps core performance.
Service support – YG provides spare parts like seals, check valves, and gun parts. Remote technical support is also available for Brazil.

Applications for the Machine in Brazil
This machine works in many Brazilian projects. It is used for industrial floor waterproofing and anti-corrosion. It also coats concrete tanks and pipes, protects bridges and tunnels, and applies wear-resistant coating on truck chassis. Brazil’s polyurea market is growing. Construction and infrastructure need high-performance waterproofing. The machine’s flexibility gives a better return on investment, and one setup can handle different jobs.
Get a Quote
For a quote on polyurea spray equipment, contact YG Machinery. We also supply Bead Blaster Floor Machine, Mortar Spraying Machine, and Static Concrete Pump. Send your project details to get price and delivery information. Our team will help you choose the right model for your needs.【WhatsApp/WeChat/Phone/Skype】+86 13937183602









