MP-400
MP-400 is a thermoplastic material with a wire of fibers mixed with solid lubricants. This product are developed for use underwater, in atmospheres with high humidity and it has a very low moisture absorption, good chemical resistant, high temperature resistance and high mechanical loading resistant. The MP-400 series includes cylindrical and flanged bearings as well as washers, and special parts are available on demand.
Operating Conditions
|
Dry |
Oil |
Grease |
Water |
Process fluid |
|---|---|---|---|---|
| Fair | Good | Good | Very Good | Good |
Availability
-
P
-
F
Characteristics
- Underwater applications
- Low moisture absorption
- Dry self-lubrications
- Minimized wear and excellent service life
- For high mechanical loading
- For high temperature resistance
- Good chemical resistant
- Easy to assembly
- Wide range of standard items available
- Special items on demand
General Properties
| Density | 1,45 g/cm3 (DIN-53479 ASTM-D792) |
|---|---|
| Max moisture absorption in water at 24 h (23°C) | 0,10 % (ISO-62) |
| Coefficient of sliding friction, dynamic | 0,10 ÷ 0,21 |
| P x V Value | 1,40 N/mm2 (Dry) |
| Color | Black |
Mechanical properties
| Tensile strength (23 °C) | 130 N/mm2 (ISO-527) |
|---|---|
| Modulus of elasticity (23 °C) | 16000 N/mm2 (ISO-527R) |
| Elongation at break (23 °C) | 0,70% (ISO-527) |
| Izod – Impact strength (notched) (23 °C) | 45 J/m (ASTM D256-A) |
| Charpy – Impact strength (unnotched) (23 °C) | 20 Kj/m2 (ISO 179-1) |
| Charpy – Impact strength (notched) (23 °C) | 4 Kj/m2 (ISO 179-1) |
| Max surface speed (rotating) | 1,0 m/s |
| Max surface speed (linear) | 3 m/s |
| Max static surface pressure | 90 N/mm2 |
Physical and thermal properties
| Max long term application temperature | +200°C |
|---|---|
| Min long term application temperature | -40°C |
| Coefficient of thermal expansion (+30°C +100°C) | 4 K-1 * 10-5 (DIN53752) |
Electrical properties
| Specific volume resistance | >105cm (DIN53482) |
|---|---|
| Surface resistance | >105cm (DIN53482) |