PORON® Microcellular Polyurethanes for Gasketing and Sealing Providing Solutions For:

  • communications
  • automotive
  • electronics
  • other industrial equipment and devices


PORON® products incorporate these highly reliable benefits:


  • Excellent compression set resistance which enables durable, long-term performance for gasketing, sealing, and cushioning.
  • Low-outgassing and non-fogging, containing no plasticizers or residual chemicals to contaminate the device. The material will not become brittle and crumble and is non-corrosive to metal.
  • Inherently flame retardant without the use of additives. Many of the materials meet flammability requirements of UL94 HBF and MVSS 302.
  • Engineered polyurethane formulations offering a wide modulus range - 2-90 psi @ 25% deflection – for more design versatility requirements.
  • Good chemical resistance
  • Easy to fabricate, die-cuts cleanly and works with a broad range of adhesives
  • Broad range of formulas and thicknesses from 0.012" to 0.500" (0.43 mm to 12.7 mm)


Gasketing, Sealing, Vibration Management


  • Portable electronics: High performance urethanes to seal out water and dust, absorb impact, and provide long-term gap filling in handheld device applications.
  • Industrial: Designers select PORON Urethanes to improve efficiency and performance, protect equipment, and increase reliability under tough industrial conditions.
  • Automotive and HEV: Our selection of material solutions covers a wide variety of both interior and exterior automotive applications.