Home > Specialist Materials > Post Office Sponge

Advanced Seals & Gaskets are leading UK manufacturers in products and components made from Post Office sponge.

Post Office sponge is a common name used for a material that is a natural, open cell sponge rubber and traditionally orange in colour.

Post Office Sponge is available in a wide range of pore structures including fine, medium and large pores and is also available in a range of densities from 160kg per cubic metre to 500kg per cubic metre.

This material can range from being extremely soft, flexible and absorbent in the lower densities to being quite firm in the higher densities. The sheet sizes vary from 2100mm x 920mm x 110mm thick to 1300mm x 750mm x 70mm thick depending upon the chosen grade.

Post Office Sponge has some key benefits and features including:

  • Heat resistance up to 80°c
  • Elastic up to 40°c
  • Ozone resistant
  • Highly absorbent
  • Available in various pore structures

Some of the more common uses for this orange, natural sponge rubber are labelling, pottery, packaging, and vacuum lifting seals.

Advanced Seals & Gaskets Ltd have the manufacturing capabilities to split this material to any required thickness and we can then convert it into any size or shape.

Listed below you can see some of the more common product formats:

Help with Post Office Sponge

If you would like to speak with a representative to discuss your specific application or requirements please call our sales office direct on 01384 469100, alternatively, you can send an E-mail. Simply click on the link and forward us your details along with your question and we will contact you immediately.


For more details use the form below or contact us on 01384 469100.


Advanced Seals & Gaskets Ltd | Get in touch to discuss your specific requirements

Contact Us