PI Unfilled
Overview
What is the Material: PI Unfilled is an amorphous imidized material.
Key Material Features: This material is beneficial in applications requiring extreme temperature resistance, diverse chemical resistance, strength, and dimensional stability.
Other Considerations: This material is attacked by hot water/steam.
Physical
| Property | Value | Typical ASTM Test |
|---|---|---|
| Chemical Designation | (PI) Polyimide | |
| Trade Names (®, ™) | Tecasint 2011, Duratron D7000 | |
| Color | Brown | |
| Density (g/cm^3) | 1.38 | D 792 |
Mechanical
| Property | Value | Typical ASTM Test |
|---|---|---|
| Modulus of Elasticity (Tensile Test) (psi) | 681500 | D 638 |
| Tensile Strength at Yield (psi) | 17110 | D 638 |
| Elongation at Break (%) | 4.4 | D 638 |
| Flexural Strength (psi) | 25700 | D 790 |
| Modulus of Elasticity (Flexural Test) (psi) | 522000 | D 790 |
| Compression Strength: 10% Strain (psi) | 27000 | D 695 |
| Compression Modulus (psi) | 336000 | D 695 |
| Impact Strength (Izod) (ft-lbs/in) | 1.0 | D 256 |
| Hardness (R) | 128 | D 785 |
| Hardness (D) | 90 | D 785 |
| Coefficient of Friction (Kinetic, 40 psi, 50 fpm) | 0.29 | D 3702 |
| Wear (K) Factor (in^3-min/ft-lbs-hr) (Against Steel, 40 psi, 50 fpm) | 1.50E-8 | D 3702 |
Thermal
| Property | Value | Typical ASTM Test |
|---|---|---|
| Deflection Temperature (°F) (264 psi) | 600 | D 648 |
| Service Temperature Continuous (°F) | 536 | |
| Service Temperature Intermittent (°F) | 626 | |
| Thermal Expansion (CLTE) (in/in/°F) | 3.00E-5 | D 696 |
| Thermal Conductivity (BTU-in/hr-ft^2-°F) | 1.53 | |
| Specific Heat (BTU/lb-°F) | 0.221 |
Electrical
| Property | Value | Typical ASTM Test |
|---|---|---|
| Specific Surface Resistance (Ω/square) | 5.00E15 | D 257 |
| Volume Resistivity (Ω*cm) | 8.00E15 | D 257 |
| Dielectric Strength (V/mil) | 554 | D 149 |
| Dissipation Factor (60 Hz) | 0.003 | D 150 |
| Dielectric Constant (1MHz) | 4.2 | D 150 |
Other
| Property | Value | Typical ASTM Test |
|---|---|---|
| Moisture Absorption (%) (24 Hours) | 0.24 | D 570 |
| Flammability | V-0 |
The data stated are typical values intended for reference and comparison purposes only. The data should not be used as a basis for design specifications or quality control. The information is provided as a guide to the best of our knowledge and given without obligation or liability. Testing under individual application circumstances is recommended.