Desmopan® 481
Thermoplastic Polyurethane Elastomer (Polyester)
Covestro - PUR
产品说明：
injection molding grade; free from plasticizers; grease and oil-resistant; low compression set; high elasticity; good heat resistance; Easy release; Application; Roller coating; Seals, membranes; Automotive engineering
物性信息：
| 特性 | 低的压缩变形性 高弹性 耐热性，高 耐油性能 耐油脂性能 脱模性能良好 |
| 用途 | 密封件 膜 汽车领域的应用 |
| RoHS 合规性 | RoHS 合规 |
| 加工方法 | 注射成型 |
| 密度 | 1200 | kg/m³ | ISO 1183 1 |
| 支撐硬度 | ISO 868 2 | ||
| 邵氏 A, 3 sec | 81 | ISO 868 | |
| 邵氏 D, 15 sec | 30 | ISO 868 |
| 拉伸应力 3 | DIN 53504 | ||
| 断裂, 23°C | 36.8 | MPa | DIN 53504 |
| 10% 应变, 23°C | 1.30 | MPa | DIN 53504 |
| 50% 应变, 23°C | 3.80 | MPa | DIN 53504 |
| 100% 应变, 23°C | 5.20 | MPa | DIN 53504 |
| 300% 应变, 23°C | 10.2 | MPa | DIN 53504 |
| 拉伸应变 4(断裂, 23°C) | 530 | % | DIN 53504 |
| Tensile Storage Modulus | ISO 6721-1,-4 | ||
| -20°C | 106 | MPa | ISO 6721-1,-4 |
| 20°C | 33.0 | MPa | ISO 6721-1,-4 |
| 60°C | 29.0 | MPa | ISO 6721-1,-4 |
| 抗磨损性 (23°C) | 25.0 | mm³ | ISO 4649-A |
| Impact Resilience (23°C) | 48 | % | ISO 4662 |
| 撕裂强度 5(23°C) | 45 | kN/m | ISO 34-1 |
| 压缩yongjiu变形 | ISO 815 | ||
| 23°C, 72 hr | 22 | % | ISO 815 |
| 70°C, 24 hr | 35 | % | ISO 815 |
| 干燥温度 | < 80.0 | °C | |
| 加工（熔体）温度 | 225 到 235 | °C | |
| 模具温度 | 20.0 到 40.0 | °C |
