Overview of materials for Polytetrafluoroethylene (PTFE) Powder

This property data is a summary of similar materials in the MatWeb database for the category "PTFE Powder". 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: 2.01 g/cc Grade Count:24
粒径	µm	µm	Average value: 314 µm Grade Count:30
pH			Average value: 9.13 Grade Count:4
比表面积	m²/g	m²/g	Average value: 3.00 m²/g Grade Count:3
粘度	cP	cP	Average value: 31.3 cP Grade Count:3
线性成型收缩率	cm/cm	in/in	Average value: 0.0357 cm/cm Grade Count:6

机械性能	额定值 (公制)	额定值 (英制)	测试方法
极限抗拉强度	MPa	psi	Average value: 29.1 MPa Grade Count:23
伸长率 (断裂)			Average value: 331 % Grade Count:23
摩擦系数			Average value: 0.100 Grade Count:3

电气性能	额定值 (公制)	额定值 (英制)	测试方法
介电强度	kV/mm	kV/in	Average value: 34.5 kV/mm Grade Count:8
耗散因数			Average value: 0.000300 Grade Count:5

热性能	额定值 (公制)	额定值 (英制)	测试方法
熔融温度	°C	°F	Average value: 328 °C Grade Count:22
Crystallization Temperature	°C	°F	Average value: 314 °C Grade Count:3

加工性能	额定值 (公制)	额定值 (英制)	测试方法
水分含量			Average value: 0.0400 % Grade Count:9
注射压力	MPa	psi	Average value: 23.0 MPa Grade Count:6