Estane® 58280 TPU
TPU(热塑性聚氨酯)
路博润 (Lubrizol)
产品描述
Type: Estane® 58280 is a polyether-type thermoplastic polyurethane (TPU) compound.
Features: High resiliency compound, with unique physical properties such as low tensile and compression set, high rebound resilience, good hysteresis and low specific gravity.
Uses: General extrusion techniques or by injection molding. Excellent for applications such as cable jackets, hose and tubing, and a variety of injection molding applications such as wheel tires, rebound balls, etc.
基本信息
| 原厂资料 | 物性表(英文) | |||
| 产品特性 | 耐水解 | |||
| 成型方式 | 注塑挤出 | |||
技术参数
| 物理性能 | 值/单位 | 测试标准 | 测试条件 |
|---|---|---|---|
比重 | 1.06 - | ASTM D792 | |
吸水率 | 1.5 % | ASTM D570 | |
磨耗 | 45 mg/1000cy | ASTM D 1044 | H-18 wheel, 1000g load |
| 机械性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸强度 | |||
100%延伸率时 | 3.8 Mpa | ASTM D 412 | |
300%延伸率时 | 6.8 Mpa | ASTM D 412 | |
- | 24.9 Mpa | ASTM D 412 | |
拉伸延伸率 | |||
断裂(brk) | 750 % | ASTM D 412 | |
弯曲模量 | 16.2 Mpa | ASTM D790 | 23°C |
压缩永久形变 | 22.9 % | ASTM D 395 | 22 hours @ 70°C |
压缩永久形变 | 7.8 % | ASTM D 395 | 22 hours @23°C |
拉伸形变 | 5.6 % | ASTM D 412 | 200% elongation |
| 硬度性能 | 值/单位 | 测试标准 | 测试条件 |
邵氏硬度 A | 79 A | ASTM D 2240 | |
邵氏硬度 D | 27 D | ASTM D 2240 |