Benefits of Polyurethane when compared to Rubber

Benefits of Polyurethane

  • Polyurethane typically lasts longer than rubber, especially in applications where it’s constantly stretched or otherwise exposed to stress
  • Polyurethanes possess high tear resistance along with high tensile properties.
  • Wide Range of Hardness – Polyurethane can be manufactured from 20 SHORE A to 85 SHORE D
  • Wide Resiliency Range – Resilience is generally a function of hardness. For shock-absorbing elastomer applications, low rebound compounds are usually used (i.e. resilience range of 10-40%). For high frequency vibrations or where quick recovery is required, compounds in the 40-65% resilience are used. In general, toughness is enhanced by high resilience
  • Flexibility – Another key benefit of Polyurethanes is it perform very well when used in high flex fatigue applications. Flexural properties can be isolated allowing for very good elongation and recovery properties.
  • Abrasion & Impact Resistance – For applications where severe wear prove challenging, polyurethanes are an ideal solution even at low temperatures.
  • Resistance to Water, Oil & Grease – Polyurethane’s material properties will remain stable (with minimal swelling) in water, oil and grease. Polyether compounds have the potential to last many years in subsea applications.
  • Electrical Properties – Polyurethanes exhibit good electrical insulating properties.
  • Mould, Mildew & Fungus Resistance – Most polyether based polyurethanes do not support fungal, mould and mildew growth and are therefore highly suitable for tropical environments