PORON® Urethane Foam

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 outgassing and non-fogging properties provides sealing solutions in a wide range of industries and applications.

PORON® Urethane Foam thicknesses

Anything from 0.3mm up to 12.7mm

Specification Typical Values
Polymer: Urethane
Structure: Semi-Closed Cell
Colour: Black
Temp: -40/+90 °C

**Data as per our current stock grade

Fire Classification  


Typical applications include lighting (dust and water ingress seals; non-fogging), automotive (door panel seals), electronic devices and communications.

Poron 4701-40

Soft material for a wide variety of applications.

Poron 4701-50

Firm material used for managing high energy impact with gasketing needs.

Poron 4701-60

Very firm material used for energy management solutions for enclosure gasketing applications.


  • Excellent compression set resistance

  • Low out gassing

  • UL94 approved

  • Good chemical resistance

Manufacture Capabilities:

  • Gaskets

  • Strip

  • Washers

  • Sheeting

  • Fabrication

Our Partners

Dependable on-time
Full lot traceability on
raw material
Rapid lead times on tooling
and products
Manufacturing services from 1-off
to mass production
CB Frost Logo

Office Hours

Monday to Thursday
8.00am to 4.35pm
Friday - 8.00am to 1.00pm

Get in touch

Unit C1, Matrix Point, Mainstream Way, Nechells, Birmingham: UK: B7 4SN