| Customization: | Available |
|---|---|
| CAS No.: | Polyurea |
| Formula: | R-Nh-Co-CH-R` |
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| 1. Basic performance technical indicators | |||
| Item | GB/T 23446-2009 Type one | TH-902 | |
| Solid content (%) | ≥96 | 99 | |
| Gel time (s) | ≤45 | 15 | |
| Surface dry time (seconds) | ≤120 | 45 | |
| Tensile strength (Mpa)b | ≥10 | 12 | |
| Elongation at break (%) | ≥300 | 350 | |
| Tear strength (N/mm) | ≥40 | 56 | |
| Low temperature bending property (ºC) | ≤-35 | -40 | |
| Water-impermeable (0.4Mpa, 2H) | Water-impermeable | Water-impermeable | |
| Heating expansion rate (%) | Elongation (%) | ≤1.0 | 0.5 |
| Shrinkage (%) | ≤1.0 | 0.5 | |
| Bond strength (MPa) | ≥2.0 | 2.8 | |
| Water absorption rate (%) | ≤ 5 | 2.5 | |
| 2. Durability technical indicators | |||
| Aging at constant extension | Heating aging | No cracks and deformation | |
| Artificial climate aging | |||
| Heat treatment | Tensile strength retention rate (%) | 80~150 | 98 |
| Elongation at break (%) | ≥250 | 350 | |
| Low temperature bending property (ºC) | ≤-30 | -32 | |
| Alkali treatment | Tensile strength retention rate (%) | 80~150 | 100 |
| Elongation at break (%) | ≥250 | 330 | |
| Low temperature bending property (ºC) | ≤-30 | -32 | |
| Acid treatment | Tensile strength retention rate (%) | 80~150 | 95 |
| Elongation at break (%) | ≥250 | 343 | |
| Low temperature bending property (ºC) | ≤-30 | -32 | |
| Salt treatment | Tensile strength retention rate (%) | 80~150 | 98 |
| Elongation at break (%) | ≥250 | 358 | |
| Low temperature bending property (ºC) | ≤-30 | -32 | |
| Artificial weathering | Tensile strength retention rate (%) | 80~150 | 95 |
| Elongation at break (%) | ≥250 | 330 | |
| Low temperature bending property (ºC) | ≤-30 | -32 | |
| 3.special performance technical indicators | |||
| Hardness (Shore A) | ≥70 | 90±5 | |
| Wear resistance (750g/500r)/mg | ≤40 | 20 | |
| Impact resistance (kg/m) | ≥ 0.6 | 1.2 | |
| Flame retardant performance grade | According to GB/T 8624-2012 | Level B2 | |
| Color | customized | ||
| 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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