PEI是聚醚酰亚胺型材产品,极适合用作电气电子绝缘件(如:多种半导体工艺部件),以及各种结构部件。这些部件要求在高温下保持较高的强度和刚度,具有良好的抗水解性,能以反复高压蒸汽方式灭菌。
PEI抗高电压,且阻燃,是印刷电路板连接用夹钳,及飞机、坦克和船舶的视频显示器的理想选材。
UNITS | ASTM TEST | Utem® 1000 | Utem® 2300 | Utem® ESD | ||
Tensile strength | psi | D638 | ||||
Flexural modulus | psi | D790 | ||||
Izod impact (notched) | ft-lbs/in of notch | D256 | ||||
Heat deflection temperature @ 264 psi | °F | D648 | ||||
Maximum continuous service temperature in air | °F | 185 | 195 | 185 | ||
Water absorption (immersion 24 hours) | % | D570 | 0.25 | 0.20 | 0.22 | |
Coefficient of linear thermal expansion | in/in/ °Fx10-5 | D696 | 6.8 | 6.1 | 5.1 | |
Coefficient of friction (dynamic) | 0.20 | 0.21 | 0.12 |