Hytrel®4069THERMOPLASTICPOLYESTERELASTOMERDuPontTransportation&Industrial产品说明:40ShoreDHighPerformancePolyesterElastomer物理性能额定值单位制测试方法密度1.11g/cm³ISO1183熔流率（熔体流动速率）(220°C/2.16kg)8.5g/10minISO1133熔融体积流量（MVR）(220°C/2.16kg)8.8cm³/10minISO1133收缩率ISO294-4垂直0.90%流动1.0%吸水率ISO6224hr,23°C0.70%饱和,23°C,2.00mm0.70%平衡,23°C,2.00mm,50%RH0.30%)