纯树脂防火PBT德国朗盛B2505Lanxess Pocan® B PBT 物性表物理性能额定值 (公制)额定值 (英制)测试方法密度1.45 g/cc0.0524 lb/in³ISO 1183吸水率0.40 %0.40 %Test Sim. to ISO 62平衡吸湿0.20 %0.20 %23°C/50% R.H.; Test Sim. to ISO 62线性成型收缩率,Flow0.00199 cm/cm0.00199 in/inISO 294-4, 2577线性成型收缩率，横向0.0026 cm/cm0.0026 in/inISO 294-4, 2577熔体流动速率17 g/10 min@Load 2.16 kg, Temperature 250 °C17 g/10 min@Load 4.76 lb, Temperature 482 °FCalculated from MVR using melt density; ISO 1133机械性能额定值 (公制)额定值 (英制)测试方法抗张强度(断裂)50.0 MPa7250 psiISO 527-1/-2抗张强度(屈服)55.0 MPa7980 psiISO 527-1/-2伸长率 (断裂)7.8 %7.8 %ISO 527-1/-2屈服伸长率3.0 %3.0 %ISO 527-1/-2拉伸模量3.10 GPa450 ksiISO 527-1/-2简支梁无缺口冲击强度8.00 J/cm²@Temperature -30.0 °C38.1 ft-lb/in²@Temperature -22.0 °FISO 179/1eU10.0 J/cm²@Temperature 23.0 °C47.6 ft-lb/in²@Temperature 73.4 °FISO 179/1eU简支梁缺口冲击强度= 1.00e+13 ohmIEC 60093介电常数3.2@Frequency 1.00e+6 Hz3.2@Frequency 1.00e+6 HzIEC 602503.4@Frequency 100 Hz3.4@Frequency 100 HzIEC 60250介电强度28.0 kV/mm711 kV/inIEC 60243-1耗散因数0.0020@Frequency 100 Hz0.0020@Frequency 100 HzIEC 602500.015@Frequency 1.00e+6 Hz0.015@Frequency 1.00e+6 HzIEC 60250
