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| Customization: | Available |
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| CAS No.: | Polyurea |
| Formula: | R-Nh-Co-CH-R` |
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| Item | Technical Index | ||
| GB/T 23446-2009 Type Two | TH-8028 | ||
| Solid content (%) | ≥98 | 99 | |
| Gel time (S) | ≤45 | 15 | |
| Surface drying time (S) | ≤120 | 55 | |
| Tensile strength (Mpa) | ≥16 | 18 | |
| Elongation at break | ≥450 | 465 | |
| Tear strength (N/mm) | ≥50 | 60 | |
| Low temperature bending property (ºC) | ≤-40 | ≤-40 | |
| Water-impermeable (0.4Mpa, 2H) | Water-impermeable | Water-impermeable | |
| Heating expansion rate (%) | Elongation | ≤1.0 | 0.4 |
| Shrink | ≤1.0 | 0.5 | |
| Bond strength (MPa) | ≥2.5 | 3.5 | |
| Water absorption rate (%) | ≤5.0 | 2.4 | |
| Aging at constant extension | Heating aging | No cracks and deformation | No cracks and deformation |
| Artificial climate aging | No cracks and deformation | No cracks and deformation | |
| Heat treatment | Elongation at break (%) | ≥400 | 435 |
| Alkali treatment | Elongation at break (%) | ≥400 | 440 |
| Acid treatment | Elongation at break (%) | ≥400 | 455 |
| Salt treatment | Elongation at break (%) | ≥400 | 450 |
| Artificial weathering | Tensile strength retention rate (%) | 80~150 | 95 |
| Elongation at break (%) | ≥400 | 450 | |
| Low temperature bending property (ºC) | ≤-35 | ≤-35 | |
| Hardness (Shore A) | ≥80 | 90±5 | |
| Wear resistance (750g/500r)/mg | ≤30 | 7 | |
| Impact resistance (kg/m) | ≥ 1.0 | 1.2 | |
| The versatility of spray polyurea products |
| Product shelf life and storage: 1. The storage temperature should be 5-40ºC 2. Under normal storage and transportation conditions, the storage period is not less than 6 months from the date of production 3. Store in a cool, ventilated environment, avoid direct sunlight, prohibit close to fire sources, and prevent collisions 4. Packaging: component A: 220KG/drum, component B: 210KG/drum |
| Precautions: 1. During construction, the temperature of the substrate must be 3°C higher than the dew point temperature; 2. Before the product is used, component B should be fully stirred; 3. The system has a 100% solid content, and it is strictly forbidden to add any diluent; 4. During construction in a confined space, good ventilation must be maintained; 5. When using this product, you must wear work clothes, goggles, gas masks, gloves and other protective equipment. |
| Product application guidance: Recommended spraying machine: Graco H-XP3 polyurea spraying equipment spray gun; air or mechanical self-cleaning polyurea spray gun Static pressure 2300-2500psi; dynamic pressure 2000-2200psi Recommended dry film thickness: 1000-3000μm Recoating interval≤6h |
| Proportion: Component A: Component B =1:1 |
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