Poron Urethanes


  • Excellent compression set resistance
  • Low out gassing
  • UL94 approved
  • Good chemical resistance

Download Poron Data Sheet

Poron Urethanes can be processed to produce:

  • Strip/Tape
  • Gaskets
  • Washers

Poron Urethanes

CB Frost are a preferred UK convertor of the Poron Urethane range of materials and have a relationship with Rogers corporation extending over 30 years.

Poron Urethane offers the flexibility required by designers to solve their pressing problems, from a gasketing, cushioning and sealing perspective. A closed cell material with excellent compression set resistance, low out-gassing and non-fogging properties provides sealing solutions in a wide range of industries and applications.

Various grades/densities are available:

Poron 4701-40 – Soft material for a wide variety of applications. Thickness ranges from 0.79mm to 12.7mm.

Poron 4701-50 – Firm material used for managing high energy impact with gasketing needs. Thickness ranges from 0.30mm to 12.7mm.

Poron 4701-60 – Very firm material used for energy management solutions for enclosure gasketing applications.

Poron 4790-92 – Extra soft, slow rebound with a very low closure force. standard thickness ranges from 0.53mm to 12.7mm.

Poron Aqua pro 4701-37 – Provides enhanced protection from water ingress due to its water sealing capability and long-term performance.

Poron Aquapro 4701-37 Thin – A softer, better sealing material for long-lasting protection of sensitive electronics and enclosed devices. Thickness ranges from 0.5mm to 1mm.

Poron Aquapro 4701-41 – Soft, enhanced sealability material, offering greater closed cell content for demanding vacuum sealing applications or low closure force requirements.

Poron EVExtend – Specifically designed to address the challenges of EV/HEV batteries.

Typical applications

  • Lighting – Dust and water ingress seals; Non fogging
  • Automotive – Door panel seals
  • Electronic devices
  • Communications

For more information please download the attached datasheet or contact one of our sales team.