Estane® 58252 TPU
TPU(热塑性聚氨酯)
路博润 (Lubrizol)
产品描述
Type: Estane® 58252 is a 70A Polyether Thermoplastic Polyurethane (TPU).
Features: Formulated to have one of the highest MVT values within the thermoplastic polyurethane class. It is also among the softest grades. Extruded or solution cast films of Estane 58252 TPU are non-porous and have very high moisture vapor transmission rates.
Uses: Intended for cast film and solution coating applications.
基本信息
| 原厂资料 | 物性表(英文) | |||
| 成型方式 | 薄膜挤出涂装 | |||
技术参数
| 物理性能 | 值/单位 | 测试标准 | 测试条件 |
|---|---|---|---|
比重 | 1.2 - | ASTM D792 | |
磨耗 | 140 mg/1000cy | ASTM D 3389 | 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 | 2.8 Mpa | ASTM D 412 | |
200%延伸率时 | 3.6 Mpa | ASTM D 412 | |
300%延伸率时 | 4.7 Mpa | ASTM D 412 | |
400%延伸率时 | 6.7 Mpa | ASTM D 412 | |
500%延伸率时 | 9 Mpa | ASTM D 412 | |
- | 19.3 Mpa | ASTM D 412 | |
拉伸延伸率 | |||
断裂(brk) | 800 % | ASTM D 412 | |
撕裂强度 | 47.3 N/mm | ASTM D 624 | Graves |
撕裂强度 | 68.3 N/mm | ASTM D 470 | Trouser |
拉伸形变 | 7 % | 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 | 70 A | ASTM D 2240 | |
邵氏硬度 D | 22 D | ASTM D 2240 | |
| 热学性能 | 值/单位 | 测试标准 | 测试条件 |
维卡软化温度(Vicat) | 47 °C | ASTM D1525 | |
熔融温度(Tm) | 130 °C | Internal | |
玻璃化温度(Tg) | -28 °C | DSC | 2nd heat |