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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
HDPE DMDA-6200 Natural 7 美国陶氏
DOW™
家用器具,薄壁部件,包装,用于家用工业化学品
高熔体强度,耐应力开裂,高抗冲,具有优秀的抗环境应力开裂性,高熔点,高抗冲等
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物性数据
| 热性能 | 测试条件 | 测试方法 | 美国陶氏/DMDA-6200 Natural 7 |
|---|---|---|---|
| 结晶峰温度 | DSC法 | Dow Method | 244(118) |
| 热变形温度 | 66psi(0.45MPa) | ASTM D-648 | 163(73) |
| 熔融温度 | DSC法 | Dow Method | 268(131) |
| 维卡软化温度 | ASTM D-1525 | 264(129) |
| 机械性能 | 测试条件 | 测试方法 | 美国陶氏/DMDA-6200 Natural 7 |
|---|---|---|---|
| 环境应力开裂抗性 | 122 | ASTM D-1693 | 80 hrs |
| 拉伸强度 | 屈服 | ASTM D-638 | 3900(27) Psi(MPa) |
| 断裂 | ASTM D-638 | 4500(31) Psi(MPa) | |
| 屈服伸长率 | ASTM D-638 | 7 % | |
| 伸长率 | 断裂 | ASTM D-638 | 1000 % |
| 弯曲模量 | 2%割线 | ASTM D-790 B | 145.000(1000) Psi(MPa) |
| 悬壁梁缺口冲击强度 | ASTM D-1822 | 80(168) ft·lb/in2(kJ/m2) | |
| 硬度 | ASTM D-2240 | 61 Shore D |
| 基本性能 | 测试条件 | 测试方法 | 美国陶氏/DMDA-6200 Natural 7 |
|---|---|---|---|
| 密度 | ASTM D-792 | 0.953 | |
| 熔体质量流动速率 | 190℃/2.16kg | ASTM D-1238 | 0.38 g/10min |
| 190℃/21.6kg | ASTM D-1238 | 33 g/10min |