MP-340

MP-340 is a thermoplastic material with a wire of fibers mixed with solid lubricants. The product has a good wear resistance, low water absorption and high loads resistant .There are several applications, ranging from office supplies, to medical equipment, pneumatic cylinders, hinges, rudder bars, etc. The MP-340 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  | 
		                
|---|---|---|---|---|
| Good | Good | Good | Good | Good | 
Availability
Characteristics
- Dry self-lubrications
 - Good wear resistance
 - Low water absorption
 - 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) | 0,15 % (ISO-62) | 
| Coefficient of sliding friction, dynamic | 0,08 ÷ 0,20 | 
| P x V Value | 0,43 N/mm2 (Dry) | 
| Color | White | 
Mechanical properties
| Tensile strength (23 °C) | 120 N/mm2 (ISO-527) | 
|---|---|
| Modulus of elasticity (23 °C) | 5300 N/mm2 (ISO-527R) | 
| Elongation at break (23 °C) | 2% (ISO-527) | 
| Izod – Impact strength (notched) (23 °C) | 90 J/m (ASTM D256-A) | 
| Charpy – Impact strength (unnotched) (23 °C) | 43 Kj/m2 (ISO 179-1) | 
| Charpy – Impact strength (notched) (23 °C) | 8 Kj/m2 (ISO 179-1) | 
| Max surface speed (rotating) | 1,0 m/s | 
| Max surface speed (linear) | 3 m/s | 
| Max static surface pressure | 50 N/mm2 | 
Physical and thermal properties
| Max long term application temperature | +130°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 | >1013cm (DIN53482) | 
|---|---|
| Surface resistance | >1012cm (DIN53482) | 
