Overview of materials for Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled

This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled". Specific grades with glass content between 35% and 44% are included. Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.

物理性能	额定值 (公制)	额定值 (英制)	测试方法
密度	g/cc	lb/in³	Average value: 1.62 g/cc Grade Count:36
填料含量			Average value: 39.0 % Grade Count:12
吸水率			Average value: 0.0873 % Grade Count:11
平衡吸湿			Average value: 0.110 % Grade Count:7
线性成型收缩率	cm/cm	in/in	Average value: 0.00343 cm/cm Grade Count:26
线性成型收缩率，横向	cm/cm	in/in	Average value: 0.00673 cm/cm Grade Count:8
熔体流动速率	g/10 min	g/10 min	Average value: 10.3 g/10 min Grade Count:8

机械性能	额定值 (公制)	额定值 (英制)	测试方法
洛氏硬度（M 级）			Average value: 93.5 Grade Count:4
洛氏硬度（R 级）			Average value: 119 Grade Count:6
极限抗拉强度	MPa	psi	Average value: 144 MPa Grade Count:29
抗张强度(屈服)	MPa	psi	Average value: 124 MPa Grade Count:9
伸长率 (断裂)			Average value: 2.55 % Grade Count:33
弹性模量	GPa	ksi	Average value: 13.0 GPa Grade Count:25
弯曲强度	MPa	psi	Average value: 211 MPa Grade Count:32
弯曲模量	GPa	ksi	Average value: 10.6 GPa Grade Count:34
悬壁梁缺口冲击强度	J/cm	ft-lb/in	Average value: 1.28 J/cm Grade Count:25
悬壁梁无缺口冲击强度	J/cm	ft-lb/in	Average value: 7.53 J/cm Grade Count:10
悬壁梁缺口冲击强度	kJ/m²	ft-lb/in²	Average value: 10.7 kJ/m² Grade Count:7
	kJ/m² @Temperature -30.0 - -30.0 °C	ft-lb/in² @Temperature -22.0 - -22.0 °F	Average value: 9.00 kJ/m² Grade Count:1
简支梁无缺口冲击强度	J/cm²	ft-lb/in²	Average value: 5.88 J/cm² Grade Count:5
	J/cm² @Temperature -30.0 - -20.0 °C	ft-lb/in² @Temperature -22.0 - -4.00 °F	Average value: 5.70 J/cm² Grade Count:5
简支梁缺口冲击强度	J/cm²	ft-lb/in²	Average value: 1.67 J/cm² Grade Count:12
	J/cm² @Temperature -30.0 - -20.0 °C	ft-lb/in² @Temperature -22.0 - -4.00 °F	Average value: 1.06 J/cm² Grade Count:5

电气性能	额定值 (公制)	额定值 (英制)	测试方法
电阻率	ohm-cm	ohm-cm	Average value: 8.06e+15 ohm-cm Grade Count:15
表面电阻	ohm	ohm	Average value: 2.62e+15 ohm Grade Count:10
介电常数			Average value: 3.69 Grade Count:6
介电强度	kV/mm	kV/in	Average value: 25.2 kV/mm Grade Count:13
耗散因数			Average value: 0.00686 Grade Count:5
耐电弧性	sec	sec	Average value: 116 sec Grade Count:4
相比耐漏电起痕指数(CTI)	V	V	Average value: 464 V Grade Count:6

热性能	额定值 (公制)	额定值 (英制)	测试方法
线性热膨胀系数	µm/m-°C	µin/in-°F	Average value: 21.9 µm/m-°C Grade Count:9
线性热膨胀系数,横向流动	µm/m-°C	µin/in-°F	Average value: 89.8 µm/m-°C Grade Count:4
熔融温度	°C	°F	Average value: 223 °C Grade Count:12
载荷下热变形温度(0.46 MPa)	°C	°F	Average value: 219 °C Grade Count:22
载荷下热变形温度(1.8 MPa)	°C	°F	Average value: 210 °C Grade Count:33
玻璃化转变温度，Tg	°C	°F	Average value: 43.0 °C Grade Count:4
可燃性(UL94)			Grade Count:26

加工性能	额定值 (公制)	额定值 (英制)	测试方法
加工温度	°C	°F	Average value: 185 °C Grade Count:13
射嘴温度	°C	°F	Average value: 255 °C Grade Count:3
模具温度	°C	°F	Average value: 261 °C Grade Count:5
加工（熔体）温度	°C	°F	Average value: 236 °C Grade Count:18
模具温度	°C	°F	Average value: 85.7 °C Grade Count:20
干燥温度	°C	°F	Average value: 124 °C Grade Count:17
水分含量			Average value: 0.0325 % Grade Count:12
霜点	°C	°F	Average value: -28.9 °C Grade Count:4
注射压力	MPa	psi	Average value: 84.5 MPa Grade Count:15