Description
MP-500 is a thermoplastic material with a wire of fibres mixed with solid lubricants. This product has an optimal resistance at high temperature, excellent mechanical properties good wear resistance, optimal chemical resistance and the solid lubricants reduce the coefficient of sliding friction and they form an optimal sliding surface with the counter- piece. The applications can be various: ranging from office supplies, medical equipments, pneumatic cylinders hinges, pedal controls, etc. The MP-500 series includes cylindrical, flanged bearings, washers and special parts.
Operating Conditions
| Dry | Oil | Grease | Water | Process fluid |
|---|---|---|---|---|
| Good | Good | Good | Good | Good |
Characteristics
- For high temperature range application (until +250°C at long term application)
- High temperature resistance
- Excellent mechanical properties
- Dry self-lubrications
- Very low moisture absorption
- Low coefficient of sliding friction
- Minimum wear and excellent operating life
- Optimal chemical resistance
- Easy to assembly
- Wide range of standard items available
- Special items on demand
General properties
| Density | 1,43 g/cm3 (DIN-53479 ASTM-D792) |
|---|---|
| Max moisture absorption in water at 24 h (23°C) | 0,30 % (ISO-62) |
| Coefficient of sliding friction, dynamic | 0,20 ÷ 0,26 |
| P x V Value | 1,32 N/mm2 (Dry) |
| Color | Black |
Mechanical properties
| Tensile strength (23 °C) | 145 N/mm2 (ISO-527) |
|---|---|
| Modulus of elasticity (23 °C) | 12500 N/mm2 (ISO-527R) |
| Elongation at break (23 °C) | 2,30% (ISO-527) |
| Izod – Impact strength (notched) (23 °C) | 55 J/m (ASTM D256-A) |
| Charpy – Impact strength (unnotched) (23 °C) | 35 Kj/m2 (ISO 179-1) |
| Charpy – Impact strength (notched) (23 °C) | 5 Kj/m2 (ISO 179-1) |
| Max surface speed (rotating) | 1,50 m/s |
| Max surface speed (linear) | 5,0 m/s |
| Max static surface pressure | 140 N/mm2 |
Physical and thermal properties
| Max long term application temperature | +250°C |
|---|---|
| Min long term application temperature | -100°C |
| Coefficient of thermal expansion (+30°C +100°C) | 2 K-1 * 10-5 (DIN53752) |
Electrical properties
| Specific volume resistance | >108cm (DIN53482) |
|---|---|
| Surface resistance | >106cm (DIN53482) |
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