| Item | Unit |
UIP-R Shape |
UIP-S Shape |
UIP-SA Shape |
Measurement Method |
|---|---|---|---|---|---|
| Specific gravity | - | 1.39 | 1.47 | 1.48 | ASTM D-792 |
| Water absorption | % | 0.46 (48 hr) |
0.12 (48 hr) |
0.03 (24 hr) |
ASTM D-570 |
| Tensile strength | MPa | 120 | 80 | 110 | ASTM D-638 |
| Elongation | % | 5 | 2 | 4 | ASTM D-638 |
| Flexural strength | MPa | 160 | 100 | 140 | ASTM D-790 |
| Flexural modulus | GPa | 4.2 | 8.0 | 7.5 | ASTM D-790 |
| Izod Impact (notched) |
J/m | 75 | 22 | 20 | ASTM D-256 |
| Rockwell hardness | M scale | 114 | 113 | 115 | ASTM D-785 |
| Heat distortion temp. (1.82 MPa) |
°C | 360 | 500 | 470 | ASTM D-648 |
| Coefficient of thermal expansion |
ppm/°C | 55 (20-250°C) |
37 (20-250°C) |
35 (25-450°C) |
ASTM D-233 |
| Tabar abrasion loss | mg/1000 cycle | 15 | - | 20 | ASTM D-1044 |
| Limiting PV value | MPa·m/sec | 1.7 | 2.2 | - | S45C,0.5m/s |
Position and Features
Features Polyimide shape from UIP
- Super high heat resistance
- Low outgas
- Good processability
- Low particles
Heat Distortion Temperature vs Flexural Modulus
Process Flow of UIP Shapes
UIP can make you to lead into wide spreaded various application field
Application Example
Electronics
- Micro-switch
- Guide piece
- Bearing
- Center pin
- Vacuum pad
Automotive
- Friction pad
- Valve seat
- Bushing
- Trust washer
- Bearing retainer
Machine
- Bearing sleeve
- Roller bushing
- Vane
- Piston ring
Aerospace
- Seal ring
- Piston ring
- Gear
- Locknut insert