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AS RS20
AS RS20 bearing materials is reinforced weave polymer material special developed for high loads and smooth running. The material contains an ideal concentration of graphite which gives the very good result in areas were reduced friction and wear is required. AS RS20 has good wear resistance and is suitable for operating under dry, wet and lubricated circumstances. AS RS20 has a low coefficient of friction, can withstand edge loading and has virtually no swell in water. AS RS20 is produced under approval of ISO 9001 for all manufacturing operations and tested in laboratories. AS RS20 is available from 16 mm inside diameter tube up to 2000 mm outside diameter. Also bigger sizes are available. It can made of sheet from 2.5 mm up to 200 mm thickness. AS RS20 is applied in offshore, dredging, marine, deck equipment, machines, bridges, sluices, hydraulic cylinders and other equipment.
Material structure: Synthetic fiber-reinforced polyester composite with friction modifier graphite additions.
Features: High wear resistance, near zero moisture absorption, impact and shock resistant, self-lubricating, high load capacity.
Operating conditions: Dry, grease lubricated, water-lubricated, low maintenance.
Availability: Tubes, cylindrical bushes, flange bushes, plates, machined parts.
Typical usage: Marine, petroleum and chemical plant, railway, agriculture, hydraulics, water/sewage treatment.
| Material | |
|---|---|
| Material | Composite |
| Availability | Unit | Value |
|---|---|---|
| Min. inside diameter | mm | 16 |
| Max. outside diameter | mm | 2000 (bigger diameter possible made of arced segments) |
| Length standard | mm | 500 (longer on request) |
| Physical Properties | Test Standard | Unit | Value |
|---|---|---|---|
| Density | ASTM D792 | g/cm³ | 1.24 |
| Max. swell in water at 20 °C | ASTM D570 | % | 0.1 |
| Mechanical Properties | Test Standard | Unit | Value |
|---|---|---|---|
| Compressive strength static | ASTM D695 | MPa | 330 |
| Compressive strength dynamic | ASTM D695 | MPa | 85 |
| Module of elasticity | ASTM D695 | MPa | 2300 |
| Tensile strength | ASTM D3410 | MPa | 60 |
| Shear strength | ASTM D3410 | MPa | 80 |
| Impact strength | ASTM D256 | kJ/m² | 50 |
| Hardness rockwell | ASTM D785 | HRM | 98 |
| Thermal Properties | Test Standard | Unit | Value |
|---|---|---|---|
| Thermal expansion | ASTM D696 | *10^⁻⁵/°C | 7 |
| Min. working temperature | °C | -40 | |
| Max. working temperature | °C | 120 | |
| Intermittent working temperature | °C | 140 |
| Friction Properties | Test Standard | Unit | Value |
|---|---|---|---|
| Coefficient of friction dynamic | Pin-on-ring | Dry against steel | 0.1-0.14 |
| Max. sliding speed | Pin-on-ring | m/s | 2 |
| Max. pv load dry | Pin-on-ring | MPa*m/s | 0.2 |
| Max. pv load oil lubricated | Pin-on-ring | MPa*m/s | 0.35 |
| Max. pv load regular greased | Pin-on-ring | MPa*m/s | 0.6 |
| Wear factor | Pin-on-ring | *10^⁻⁹ m²/N | – |
The above values are provided for general purposes only and not meant to be a specific recommendation for any individual application. All values were determined under laboratory conditions. ASEC Kunststoffen B.V. is not directly neither indirectly responsible for any claim resulting from the use of any information provided in above values. ASEC Kunststoffen B.V. © 2017.