|
| Property |
UNFILLED PEI |
30% GFR PEI |
| Electrical |
| Arc Resistance, sec |
128 |
85 |
| Dielectric Constant |
3.1 - 3.2 |
3 - 4 |
| Dielectric Strength, kV/mm |
28 - 33 |
25 - 30 |
| Dissipation Factor x 10-4 |
13 - 25 |
15 - 53 |
| Volume Resistivity x 1015, Ohm.cm |
5 - 18 |
15 - 16 |
| Mechanical |
| Elongation at Break, % |
59 - 60 |
3 |
| Elongation at Yield, % |
6.8 - 7.2 |
3 |
| Flexural Modulus, Gpa |
3 - 3.4 |
9 |
| Hardness Rockwell M |
100 - 110 |
90 - 125 |
| Hardness Shore D |
95 - 99 |
95 - 99 |
| Strength at Break (Tensile), MPa |
90 - 100 |
150 - 160 |
| Strength at Yield (Tensile), MPa |
100 - 110 |
150 - 160 |
| Toughness at Low Temperature (Notched Izod Impact at Low Temperature), J/m |
50 - 60 |
90 - 100 |
| Young's Modulus, GPa |
3 |
9 |
| Physical |
| Density, g/cm3 |
1.27 - 1.3 |
1.5 - 1.6 |
| Gamma Radiation Resistance |
Good |
Good |
| Glass Transition Temperature, °C |
215 |
215 |
| Shrinkage, % |
0.7 - 0.8 |
0.2 - 0.4 |
| Sterilization Resistance (Repeated) |
Good |
Good |
| UV Light Resistance |
Fair |
Fair |
| Water Absorption 24 hours, % |
0.2 - 0.3 |
0.1 - 0.2 |
| Service Temperature |
| HDT @0.46 Mpa (67 psi), °C |
195 - 210 |
205 - 212 |
| HDT @1.8 Mpa (264 psi), °C |
190 - 200 |
200 - 210 |
| Min Continuous Service Temperature, °C |
170 |
170 |
| Thermal |
| Coefficient of Linear Thermal Expansion x 10-5, /°C |
5 - 6 |
2 |
| Fire Resistance (LOI), % |
46 - 47 |
50 |
| Flammability, UL94 |
V0 |
V0 |
| Thermal Insulation, W/m.K |
0.22 - 0.25 |
0.23 - 0.26 |