Page 375 - IGUS Bearing
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iglidur  C500                                                                                                                                                                                                            iglidur  C500
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         +250°C                                                                                                                                                                                                                   +250°C
          80MPa                                                                                                                                                                                                                   80MPa
                      Bearing technology | Plain bearings | iglidur  C500                                                           Technical data
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                                                                                                                                    General properties                                                      Testing method

                                                                                                                                    Density                                            g/cm³        1.37                       -100°C up to
          Ø                                                                                                                         Colour                                                        magenta                      +250°C
          6.0-40.0mm
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.3       DIN 53495
                                                                                                                                    Max. moisture absorption                         % weight       0.5
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.07-0.19                     80MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.70
          Also available
          as:                                                                                                                       Mechanical properties
                      High temperature endurance runner                                                                             Flexural modulus                                    MPa        3,300      DIN 53457
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                                    100
                                                                                                                                                                                                              DIN 53452
                                                                                                                                                                                        MPa
                      Extreme wear and media resistance up to +250°C                                                                Compressive strength                                MPa         110
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         80
          round bar
          Page 743                                                                                                                  Shore D hardness                                                80        DIN 53505
                      iglidur  C500 can be used up to +250°C and is extremely media-resistant (even in cleaning processes
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                      using hydrogen peroxide). It is also wear-resistant and has low coefficient of friction. Also suitable        Physical and thermal properties
                      for various special designs. The colour shows the use under extreme environmental influences.                 Max. application temperature long-term               °C        +250
                                                                                                                                    Max. application temperature short-term              °C        +300                         FOOD
                      ● 	High temperature resistance                                                                                Min. application temperature                         °C        -100
          Bar stock,   ● 	Resistant to water vapour                                                                                 Thermal conductivity                              W/m · K       0.24      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	Low coefficient of friction                                                                                Coefficient of thermal expansion (at +23°C)       K  · 10        9        DIN 53752
                      ● 	Lubrication-free                                                                                           Electrical properties
                      ● 	High wear resistance                                                                                       Specific transitional resistance                    Ωcm        > 10 14    DIN IEC 93
                      ● 	High media resistance                                                                                      Surface resistance                                   Ω         > 10 13    DIN 53482
                      ● 	Maintenance-free                                                                                           Table 01: Material properties
          tribo-tape liner
          Page 781    Typical application areas                                                                                     iglidur  C500 is a member of the family of extremely media   Resistance to weathering
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                      ● 	Plant construction                                                                                         and temperature-resistant iglidur  materials X, X6 and   iglidur  C500 plain bearings are resistant to weathering.
                      ● 	Valves                                                                                                     A500. This material is characterised by improved wear   The material properties are slightly affected. Discolouration
                      ● 	Chemical industry                                                                                          resistance and increased design freedom.           occurs.
                      ● 	Process technology
                                                                                                                                    Moisture absorption                                Mechanical properties
          Guide rings
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          Page 641                                                                                                                  The moisture absorption of iglidur  C500 plain bearings is   When temperatures increase, the compressive strength
                                                                                                                                    below 0.3% weight in ambient conditions. The saturation   of iglidur  C500 plain bearings decreases. Diagram 02
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                       Descriptive technical specifications                                                                         limit submerged in water is 0.5% weight.           shows this inverse relationship. However, at an operation
                       Wear resistance at +23°C                     –                       +                                                                                          temperature of +200°C the permissible surface pressure
                                                                                                                                    Vacuum                                             is close to 20MPa. The maximum recommended surface
                       Wear resistance at +90°C                     –                       +
                                                                                                                                    In vacuum, any present moisture is released as vapour.   pressure is a mechanical material parameter. No conclusions
          Two hole     Wear resistance at +150°C                    –                       +                                       The use in vacuum is generally possible.           regarding the tribological properties can be drawn from
          flange
          bearings                                                                                                                                                                     this.
          Page 667     Slide property                               –                       +
                                                                                                                                    Radiation resistance                               Diagram 03 shows the elastic deformation of iglidur  C500
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                       Wear resistance under water                  –                       +                                       iglidur  C500 withstands neutron and gamma particle   under different loads. At the maximum recommended
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                                                                                                                                    radiation without detectable losses of its excellent mechanical   surface pressure of 80MPa, the deformation is less than
                       Media resistance                             –                       +
                                                                                                                                    properties. Plain bearings made from iglidur  C500    4.5%.
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          Moulded      Resistant to edge pressures                  –                       +                                       are resistant up to a radiation intensity of 3 · 10² Gy.  Surface pressure, page 45
          special parts
          Page 696     Resistant to shock and impact loads          –                       +
                       Dirt resistance                              –                       +




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