东莞市常平浩云塑胶经营部
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Petrothene LR776031
High Density Polyethylene
LyondellBasell Industries
产品说明：
PETROTHENE LR776031 is a high density polyethylene resin designed for sheet extrusion and thermoforming. LR776031 exhibits very low sag, high stiffness and good chemical resistance.
物性信息：
| 基本信息 | |
|---|---|
| 特性 |
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| 机构评级 |
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| 形式 |
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| 加工方法 |
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| 物理性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 密度 | 0.960 | g/cm3 | ASTM D1505 |
| 熔流率（熔体流动速率）(190°C/2.16 kg) | 0.70 | g/10 min | ASTM D1238 |
| 硬度 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 肖氏硬度(邵氏 D) | 69 | ASTM D2240 |
| 机械性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 抗张强度(屈服) | 32.4 | MPa | ASTM D638 |
| 伸长率(断裂) | 600 | % | ASTM D638 |
| 弯曲模量 | 1620 | MPa | ASTM D790 |
| 冲击性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| Tensile Impact | 45.9 | J/cm | ASTM D1822 |
| 热性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 载荷下热变形温度(0.45 MPa, 未退火) | 81.0 | °C | ASTM D648 |
| 脆化温度 | -76.0 | °C | ASTM D746 |
| 维卡软化温度 | 129 | °C | ASTM D1525 |
