Polyimide has the characteristics of high and low temperature resistance (- 269~400 ℃), high friction resistance, chemical stability, mechanical toughness, natural lubrication, high temperature insulation, etc. It is an ideal design material that can reduce component weight, extend maintenance intervals or lifespan, and reduce overall costs by increasing process uptime.
Its main characteristics include:
Good performance at high temperatures
Good chemical resistance
High strength, hardness, and dimensional stability
Higher operating temperature in the air
Maintaining excellent mechanical strength, stiffness, and creep resistance over a wide temperature range
High resistance to friction
UV resistance
High energy irradiation resistance
Inherently low flammability
| Product name | NJSSPI-1003 | NJSSPI-1006 | NJSSPI-1007 | NJSSPI-1008 | |
|---|---|---|---|---|---|
| Project | Units | Test data | |||
| Density | g/cm3 | 1.45 | 1.40 | 1.40 | 1.30 |
| Heat distortion temperature | ℃ | 380 | 260 | 300 | 220 |
| Coefficient of thermal expansion | /℃ | 5×10-5 | 2×10-5 | 5×10-5 | 5×10-5 |
| Tensile strength | MPa | 62.64 | 95.00 | 127.00 | 110.00 |
| Elongation at break | % | 4.91 | 7.00 | 6.20 | 10.00 |
| Bending strength | MPa | 149.00 | 150.00 | 94.00 | 125.00 |
| Bending modulus | GPa | 3.00 | 3.00 | 2.34 | 2.50 |
| Compressive strength | MPa | 136.50 | 120.00 | 162.00 | 100.00 |
| Coefficient of friction | - | 0.25-0.35 | 0.25-0.35 | 0.25-0.35 | 0.25-0.35 |
| Dielectric strength | KV/mm | 400.00 | 134.00 | 180.00 | |
| Dielectric constant | - | 2.8-3.4 | 3.0-3.2 | 2.8-3.4 | 3.0 |
| Surface resistivity | Ω | 1015 | 1014 | 2.6×1015 | 1015 |
| Volume resistivity | Ω.cm | 1016 | 1016 | 6.7×1015 | 1016 |
| Hardness (shore D) | HD | 85 | 85 | 85 | 85 |
| Notched impact strength | kJ/m2 | 19.00 | 25.00 | 12.00 | 20.00 |
| Water absorption | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | |
| Low temperature resistance | -248.00 | -248.00 | -248.00 | -248.00 | |
