②原料技术数据| 性能项目 | 试验条件[状态] | 测试方法 |
rame="void" border="1" width="**">| 测试数据 | | 优级 | 一级 | 合格 | | 数据单位 |
| 基本性能 | 熔体流动速率 | --- | --- |
rame="void" border="1" width="**">| 2.0±0.2 | 2.0±0.3 | 2.0±0.4 | | g/10min |
| 密度 | --- | --- |
rame="void" border="1" width="**">| 0.923±0.002 | 0.923±0.003 | 0.923±0.004 | | g/cm3 |
| 物理性能 | 雾度 | --- | --- |
rame="void" border="1" width="**">| ≤14 | - | - | | % |
| 机械性能 | 落镖冲击强度 | --- | --- |
rame="void" border="1" width="**">| ≥60 | - | - | | g |
| 拉伸屈服强度 | --- | --- |
rame="void" border="1" width="**">| ≥8 | ≥8 | ≥8 | | MPa |
| 拉伸断裂强度 | --- | --- |
rame="void" border="1" width="**">| ≥12 | ≥12 | ≥12 | | MPa |
| 拉伸断裂伸长率 | --- | --- |
rame="void" border="1" width="**">| ≥500 | ≥500 | ≥500 | | % |
| 其它性能 | 鱼眼 | 0.8mm | --- |
rame="void" border="1" width="**">| ≤2 | ≤4 | ≤8 | | 个/1520cm2 |
| 鱼眼 | 0.4mm | --- |
rame="void" border="1" width="**">| ≤15 | ≤25 | ≤40 | | 个/1520cm2 |
| 颗粒外观 | 大粒和小粒 | --- |
rame="void" border="1" width="**">| ≤10 | ≤10 | ≤10 | | g/kg |
| 颗粒外观 | 污染粒子 | --- |
rame="void" border="1" width="**">| ≤10 | ≤20 | ≤40 | | 个/kg |
| 颗粒外观 | 蛇皮和丝发 | --- |
rame="void" border="1" width="**">| ≤20 | ≤20 | ≤40 | | 个/kg |
