|
| Property |
POLYIMIDE |
| Chemical Resistance |
| Acetone @ 100%, 20°C |
Satisfactory |
| Ammonium hydroxide @ 10%, 20°C |
Non-Satisfactory |
| Aromatic hydrocarbons @ 20°C |
Satisfactory |
| Benzene @ 100%, 20°C |
Satisfactory |
| Butylacetate @ 100%, 20°C |
Satisfactory |
| Chloroform @ 20°C |
Limited |
| Concentrated acids @ 20°C |
Non-Satisfactory |
| Concentrated acids @ hot conditions |
Non-Satisfactory |
| Ethanol @ 96%, 20°C |
Satisfactory |
| Glycerol @ 100%, 20°C |
Non-Satisfactory |
| Hydrogen peroxide @ 30%, 60°C |
Non-Satisfactory |
| Kerosene @ 20°C |
Satisfactory |
| Methanol @ 100%, 20°C |
Non-Satisfactory |
| Methylethyl ketone @ 100%, 20°C |
Satisfactory |
| Mineral oil @ 20°C |
Satisfactory |
| Silicone oil @ 20°C |
Satisfactory |
| Sodium hydroxide @ 10%, 20°C |
Non-Satisfactory |
| Sodium hydroxide @ 10%, 60°C |
Non-Satisfactory |
| Sodium hydroxide @ 10%, 90°C |
Non-Satisfactory |
| Sodium hypochlorite @ 20%, 20°C |
Limited |
| Strong acids @ 20°C |
Limited |
| Toluene @ 20°C |
Satisfactory |
| Xylene @ 20°C |
Satisfactory |
| Electrical |
| Dielectric Constant |
3.1 - 3.55 |
| Dielectric Strength, kV/mm |
22 - 27.6 |
| Dissipation Factor x 10-4 |
18 - 50 |
| Volume Resistivity x 1015, Ohm.cm |
14 - 18 |
| Mechanical |
| Elongation at Break, % |
90 |
| Elongation at Yield, % |
4 - 10 |
| Flexural Modulus, Gpa |
2.48 - 4.1 |
| Hardness Rockwell M |
110 |
| Strength at Break (Tensile), MPa |
72 - 120 |
| Strength at Yield (Tensile), MPa |
120 |
| Toughness (Notched Izod Impact at Room Temperature), J/m |
60 - 112 |
| Young's Modulus, GPa |
1.3 - 4 |
| Physical |
| Water Absorption 24 hours, % |
1.34 - 1.43 |
| Density, g/cm3 |
1.31 - 1.43 |
| Glass Transition Temperature, °C |
250 - 340 |
| Shrinkage, % |
0.2 - 1.2 |
| Service Temperature |
| HDT @1.8 Mpa (264 psi), °C |
240 - 360 |
| Max Continuous Service Temperature, °C |
260 - 360 |
| Thermal |
| Coefficient of Linear Thermal Expansion x 10-5, /°C |
5.5 |
| Fire Resistance (LOI), % |
47 - 53 |
| Flammability, UL94 |
V0 |