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原料比对
产品信息
品名
品牌名
典型应用
特性
认证
POM S731 日本东丽
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物性数据
| 热性能 | 测试条件 | 测试方法 | 日本东丽/S731 |
|---|---|---|---|
| 可燃性 | UL 94 | HB | |
| 热变形温度 | HDT | ASTM D648/ISO 75 | 158 ℃（℉） |
| 0.45MPa | ASTM D-648 | 158 °C | |
| 1.82MPa | ASTM D-648 | 110 °C | |
| 熔融温度 | DSC | 166 °C | |
| 线性热膨胀系数 | ASTM D696/ISO 11359 | 10 mm/mm.℃ | |
| ASTM D-696 | 10 |
| 物性性能 | 测试条件 | 测试方法 | 日本东丽/S731 |
|---|---|---|---|
| 密度 | ASTM D792/ISO 1183 | 1.41 | |
| 熔体质量流动速率 | ASTM D1238/ISO 1133 | 27 g/10min | |
| 吸水率 | ASTM D570/ISO 62 | 0.22 % |
| 机械性能 | 测试条件 | 测试方法 | 日本东丽/S731 |
|---|---|---|---|
| 断裂伸长率 | ASTM D638/ISO 527 | 50 % | |
| 简支梁缺口冲击强度 | ASTM D256/ISO 179 | 55 kg·cm/cm(J/M)ft·lb/in | |
| 剪切强度 | ASTM D-732 | 56 Mpa | |
| 介电强度 | 3mmt | ASTM D-149 | 19 MV/m |
| 拉伸强度 | ASTM D638/ISO 527 | 64 kg/cm²(MPa)[Lb/in²] | |
| ASTM D-638 | 64 Mpa | ||
| 洛氏硬度 | ASTM D785 | 82 | |
| ASTM D-785 | M82（R115） | ||
| 伸长率 | 断裂 | ASTM D-638 | 50 % |
| 弯曲模量 | ASTM D790/ISO 178 | 2.70 kg/cm²(MPa)[Lb/in²] | |
| ASTM D-790 | 2.70 GPa | ||
| 弯曲强度 | ASTM D790/ISO 178 | 94 kg/cm²(MPa)[Lb/in²] | |
| ASTM D-790 | 94 Mpa | ||
| 悬壁梁缺口冲击强度 | 无切口 | ASTM D-256 | 640 J/m |
| ASTM D-1822 | 100 KJ/m | ||
| 有切口 | ASTM D-256 | 55 J/m |
| 电气性能 | 测试条件 | 测试方法 | 日本东丽/S731 |
|---|---|---|---|
| 耗散因数 | 10 | ASTM D-150 | 0.005 |
| 50Hz | ASTM D-150 | 0.005 | |
| 介电常数 | 50Hz | ASTM D-150 | 3.7 |
| 10 | ASTM D-150 | 3.7 | |
| 耐电弧性 | ASTM D-495 | ＞200 sec | |
| 体积电阻率 | 10 | ASTM D-257 | 4 |
| 相比漏电起痕指数 | IEC (CTI) | 600 V |
| 基本性能 | 测试条件 | 测试方法 | 日本东丽/S731 |
|---|---|---|---|
| 熔体质量流动速率 | 190℃ | ASTM D-1238 | 27 g/10min |
| 吸水率 | ASTM D-570 | 0.22 % |
| 物理性能 | 测试条件 | 测试方法 | 日本东丽/S731 |
|---|---|---|---|
| 摩擦系数 | 同系树脂 | ASTM D-1894 | 0.35 |
| 相对钢材 | ASTM D-1894 | 0.15 | |
| 收缩率 | 横向 | 东丽法 | 1.9 % |
| 垂直 | 东丽法 | 1.8 % |