前言：SABIC PPO 731-701低吸水PPO
SABIC PPO 731-701低吸水PPO---其产品说明：PPE+PS blend. Unfilled. NSF listed for potable water use in several colors (Standard 61). FDA compliant in several colors (restrictions apply). UL94 HB rated. Low water absorption. Hydrolytic stability. Dimensional stability. Suitable for fluid engineering applications: valve components, water pump housings, etc. This grade will no longer be supported with biocompatibility information and should not be used for medical applications which require biocompatibility. Alternative grade HN731A.
PPO 731-701产品说明：
PPE+PS混合。未填充。NSF列出了几种颜色的饮用水（标准61）。几种颜色符合FDA标准（适用限制）。UL94 HB额定值。吸水率低。水解稳定性。尺寸稳定性。适用于流体工程应用：阀门组件、水泵外壳等。该等级不再具有生物相容性信息，不应用于要求生物相容性的医疗应用。替代等级HN731A。
| 比重 | 1.06 | g/cm? | ASTM D792, ISO 1183 |
| 熔流率（熔体流动速率） (280°C/5.0 kg) | 9.2 | g/10 min | ASTM D1238 |
| 溶化体积流率（MVR） (280°C/5.0 kg) | 9.00 | cm?/10min | ISO 1133 |
| 收缩率 | 内部方法 | ||
| 流动 : 3.20 mm | 0.50 到 0.70 | % | 内部方法 |
| 横向流动 : 3.20 mm | 0.50 到 0.70 | % | 内部方法 |
| 吸水率 | |||
| 24 hr | 0.060 | % | ASTM D570 |
| 饱和, 23°C | 0.23 | % | ISO 62 |
| 平衡, 23°C, 50% RH | 0.060 | % | ISO 62 |
