Polymer Bearings - igus® - #201

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199 iglidur® GLW 0.001 0.1 1 10 0.1 10 100 1 0.01 Material data General properties Unit iglidur® GLW Testing method Density g/cm3 1.36 Colour black Max. moisture absorption at +23 °C/50 % r.h. % weight 1.3 DIN 53495 Max. moisture absorption % weight 5.5 Coefficient of sliding friction, dynamic against steel ì 0.1–0.24 pv value, max. (dry) MPa · m/s 0.3 Mechanical properties Modulus of elasticity MPa 7,700 DIN 53457 Tensile strength at +20 °C MPa 235 DIN 53452 Compressive strength MPa 74 Max. recommended surface pressure (+20 °C) MPa 80 Shore D hardness 78 DIN 53505 Physical and thermal properties Max. long term application temperature °C +100 Max. short term application temperature °C +160 Min. application temperature °C –40 Thermal conductivity W/m · K 0.24 ASTM C 177 Coefficient of thermal expansion (at +23 °C) K–1 · 10–5 17 DIN 53752 Electrical properties Specific volume resistance Ùcm > 1011 DIN IEC 93 Surface resistance Ù > 1011 DIN 53482 Table 01: Material data igus® GmbH 51147 Cologne | Phone +49 (0) 22 03-9649-145 Fax -334 | www.igus.eu iglidur® GLW | Technical Data Graph 01: Permissible pv values for iglidur® GLW with a wall thickness of 1 mm dry running against a steel shaft at +20 °C, mounted in a steel housing Pressure [ MPa] Surface speed [m/s]