阀门部件原料 PPO 沙伯基础 731S-701S 耐潮性
PPO 沙伯基础 731S-701S 物性信息：
| 比重 | 1.08 g/cc | 1.08 g/cc | ASTM D792 |
| 吸水率 | 0.060 % @Time 86400 sec | 0.060 % @Time 24.0 hour | ASTM D570 |
| 线性成型收缩率,Flow | 0.0050 - 0.0070 cm/cm @Thickness 3.20 mm | 0.0050 - 0.0070 in/in @Thickness 0.126 in | SABIC Method |
| 抗张强度(屈服) | 58.0 MPa | 8410 psi | Type I, 50 mm/min; ASTM D638 |
| 伸长率 (断裂) | 30 % | 30 % | Type I, 50 mm/min; ASTM D638 |
| 弯曲强度 | 93.0 MPa | 13500 psi | 1.3 mm/min, 50 mm span; ASTM D790 |
| 弯曲模量 | 2.42 GPa | 351 ksi | 1.3 mm/min, 50 mm span; ASTM D790 |
| 悬壁梁缺口冲击强度 | 2.08 J/cm | 3.90 ft-lb/in | ASTM D256 |
| 1.33 J/cm @Temperature -40.0 °C | 2.49 ft-lb/in @Temperature -40.0 °F | ASTM D256 |
| 线形热膨胀系数 - 流动 | 130 µm/m-°C @Temperature -40.0 - 60.0 °C | 72.2 µin/in-°F @Temperature -40.0 - 140 °F | ASTM E 831 |
| Deflection Temperature at 1.8 MPa (264 psi) | 117 °C @Thickness 3.20 mm | 243 °F @Thickness 0.126 in | unannealed; ASTM D648 |
| 126 °C @Thickness 6.40 mm | 259 °F @Thickness 0.252 in | unannealed; ASTM D648 | |
| UL RTI | 105 °C | 221 °F | UL 746B |
| UL RTI，机械冲击 | 90.0 °C | 194 °F | UL 746B |
| UL RTI，机械无冲击 | 105 °C | 221 °F | UL 746B |
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