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         iglidur                                                                                                                                                                                                                  iglidur
         HSD350                                                                                                                                                                                                                   HSD350
         +180 °C                                                                                                                                                                                                                  +180 °C
          30MPa                                                                                                                                                                                                                   30MPa
                      Bearing technology | Plain bearings | iglidur  HSD350                                                         Technical data
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                                                                                                                                    General properties                                                      Testing method

                                                                                                                                    Density                                            g/cm³        1.39                       -40°C up to
          Ø                                                                                                                         Colour                                                         beige                       +180°C
          6.0-20.0mm
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.6         ISO 175
                                                                                                                                    Max. moisture absorption                         % weight       1.2         ISO 62
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.07-0.23                     30MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.30
          Also available
          as:                                                                                                                       Mechanical properties
                      All-rounder for steam sterilisation                                                                           Flexural modulus                                    MPa        2,150    DIN EN ISO 178
                                                                                                                                                                                                    67
                                                                                                                                                                                                            DIN EN ISO 178
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                        MPa
                      Low-cost, media-resistant and hygienic                                                                        Compressive strength                                MPa         44
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         30
          round bar
          Page 743                                                                                                                  Shore D hardness                                                77        DIN 53505
                      The new material enables continuous operation where hygiene is important, including regular sterilisation,
                      with an outstanding price-performance ratio.                                                                  Physical and thermal properties
                      ● 	Temperature-resistant up to +180°C                                                                         Max. application temperature long-term               °C        +180                         FOOD
                      ● 	Suitable for wet environments                                                                              Max. application temperature short-term              °C        +210
                      ● 	High media resistance                                                                                      Min. application temperature                         °C         -40
          Bar stock,   ● 	Corrosion-free                                                                                            Thermal conductivity                              W/m · K       0.24      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	Lubrication-free                                                                                           Coefficient of thermal expansion (at +23°C)       K  · 10        7        DIN 53752
                      ● 	Sterilisable                                                                                               Electrical properties
                      ● 	Maintenance-free                                                                                           Specific transitional resistance                    Ωcm        > 10 13    DIN IEC 93
                                                                                                                                    Surface resistance                                   Ω         > 10 14    DIN 53482
                      Typical application areas                                                                                     Table 01: Material properties
          tribo-tape liner  ● 	Filling technology
          Page 781    ● 	Medical and laboratory technology                                                                          iglidur  HSD350 was specially developed for use in   Resistance to weathering
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                                                                                                                                    applications where decontamination by steam (e.g. in   iglidur  HSD350 plain bearings are continuously resistant
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                                                                                                                                    autoclaves) is necessary. iglidur  HSD350 offers an   to weathering. The material properties are only slightly
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                                                                                                                                    excellent price-performance ratio.                 affected. Possible discolourations are only superficial.

                                                                                                                                    Moisture absorption                                Mechanical properties
          Guide rings
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          Page 641                                                                                                                  The moisture absorption of iglidur  HSD350 plain bearings   With increasing temperatures, the compressive strength
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                                                                                                                                    is  approximately  0.6%  weight  in  standard  climatic   of iglidur  HSD350 plain bearings decreases. Diagram
                       Descriptive technical specifications                                                                         conditions. The saturation limit submerged in water is 1.2%   02 shows this inverse relationship. The maximum
                       Wear resistance at +23°C                     -                       +                                       weight. These values are so low that a moisture expansion   recommended surface pressure is a mechanical material
                                                                                                                                    need to be considered only in extreme cases.       parameter. No conclusions regarding the tribological
                       Wear resistance at +90°C                     –                       +
                                                                                                                                                                                       properties can be drawn from this.
          Two hole     Wear resistance at +150°C                    –                       +                                       Vacuum                                             Diagram 03 shows the elastic deformation of iglidur  HSD350
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          flange
          bearings                                                                                                                  In vacuum, the moisture content is released as vapour. Due   under different loads. At the maximum recommended
          Page 667     Slide property                               –                       +
                                                                                                                                    to its low moisture absorption, use in a vacuum is possible.  surface pressure of 30MPa, the deformation is less than
                       Wear resistance under water                  –                       +                                                                                          2%. A possible deformation could be, among others,
                                                                                                                                    Radiation resistance                               dependant on the duty cycle of the load.
                       Media resistance                             –                       +
                                                                                                                                    Plain bearings made from iglidur  HSD350 are resistant   Surface pressure, page 45
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          Moulded      Resistant to edge pressures                  –                       +                                       up to a radiation intensity of 3 · 10² Gy.
          special parts
          Page 696     Resistant to shock and impact loads          –                       +

                       Dirt resistance                              –                       +




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          328   3D-CAD, finder and service life calculation ... www.igus-asean.com/HSD350                                                                       Lubrication-free made easy ... from stock ... no minimum order quantity   329
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