(聚氨酯)TPU德国拜耳 345X
(聚氨酯)TPU德国拜耳 345X TPU| 热塑性弹性体橡胶
德国拜耳
产品用途： 通用注射品级
备注说明： 加工成型：注射注射熔体温度：210-235℃ 注射模具温度：20-40℃
345X 物性表
| 基本性能 | 额定值 | 单位 | 测试方法 |
|---|---|---|---|
| 密度 | 1210 | kg/m | ISO 1183 |
| 物理性能 | 额定值 | 单位 | 测试方法 |
|---|---|---|---|
| 磨耗损失 | 30 | mm | ISO 4649 |
| 机械性能 | 额定值 | 单位 | 测试方法 |
|---|---|---|---|
| 抗撕裂蔓延强度 | 100 | KN/m | DIN 53515 |
| 压缩率 (70hr/22℃) | 42 | % | ISO 815 |
| 肖氏D硬度 | 47 | ISO 868 | |
| 冲击回弹率 | 35 | % | ISO 4662 |
| 肖氏A硬度 | 95 | ISO 868 | |
| 300%应变的应力 | 30 | MPa | ISO 37 |
| 应变的应力 | 15 | MPa | ISO 37 |
| 压缩率 (70hr/22℃) | 25 | % | ISO 815 |
| 断裂伸长率 | 450 | % | ISO 37 |
| 拉伸强度 | 52 | ISO 37 |
TPU作为弹性体是介于橡胶和塑料之间的一种材料，这从它的刚性看出来，TPU的刚性可由弹性模量来度量。橡胶的弹性模量通常在1~10Mpa，TPU在10~1000Mpa，塑料（尼龙，ABS，PC，POM）在1000~10000Mpa。
TPU 的硬度范围相当宽，从Shore A 60~Shore D 80并且在整个硬度范围内具有高弹性；
TPU在很宽的温度范围内-40~120℃，具有柔性，而不需要增塑剂；TPT对油类（矿物油，动植物油脂和润滑油）和许多溶剂有良好的抵抗能力；
TPU还有良好的耐天候性，极优的耐高能射线性能。众所周知的耐磨性，抗撕裂性，屈扰强度都是优良的；拉伸强度高，伸长率大，长期压缩变形率低等都是TPU的显著优点。
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