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বাংলা 
Spray-Applied Polyurea Anti-Corrosion Coating
Product Features
- High-performance spray-applied polyurea system with rapid gel time and fast curing.
- Forms a seamless membrane that isolates moisture, oxygen, and corrosive media.
- Excellent resistance to acids, alkalis, salt spray, seawater, and industrial chemicals.
- High elasticity allows the coating to accommodate substrate movement without cracking.
- Outstanding abrasion, impact, and tear resistance for severe industrial environments.
- Strong adhesion to concrete, carbon steel, galvanized steel, and other substrates.
- Designed for long-term corrosion protection in demanding industrial applications.
Standards
| Item | Specification |
|---|---|
| Product | Spray-Applied Polyurea Anti-Corrosion Coating |
| Product Type | Two-Component Spray Polyurea Elastomer |
| Composition | Polyurea Resin, Isocyanate, Functional Fillers & Additives |
| Standard | Enterprise Standard (Q/GDHY)* |
| Cure Method | Rapid Gel by High-Pressure Spray |
| Application Method | High-Pressure Airless Spray |
Application
Suitable for steel structures, chemical storage tanks, oil and gas tanks, pipelines, wastewater treatment plants, marine structures, ports, power plants, bridges, underground utilities, waste treatment facilities, mining equipment, industrial buildings, and other heavy-duty corrosion protection projects.
Application Procedure
- Prepare steel surfaces by abrasive blasting or prepare concrete substrates according to project requirements.
- Apply the recommended primer to improve adhesion.
- Reinforce welds, corners, joints, and critical areas.
- Spray the polyurea coating using high-pressure plural-component equipment.
- Inspect coating continuity, thickness, and repair defects if necessary.
- Complete final inspection before placing the coated structure into service.
Technical Specifications
| Item | Technical Specifications |
|---|---|
| Product Type | Two-Component |
| Appearance | Liquid (Part A / Part B) |
| Solids Content | ≥98% |
| Gel Time | 5–20 Seconds |
| Tack Free Time | ≤1 Minute |
| Recommended Thickness | 2–4 mm |
| Coverage | 2.0–4.0 kg/m² |
| Tensile Strength | ≥18 MPa* |
| Elongation at Break | ≥350%* |
| Salt Spray Resistance | Excellent* |
| Chemical Resistance | Excellent* |
| Application Temperature | -10℃ to 45℃ |
| Package | Part A: 220 kg / Part B: 210 kg |
Transportation & Storage
Transport in tightly sealed containers and protect the product from direct sunlight, rain, impact, and physical damage. Store in a cool, dry, and well-ventilated warehouse at 5℃–35℃, away from heat, ignition sources, and strong oxidizing agents. Shelf life is 12 months in unopened packaging.
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