Mechanical Rubber has acquired the Griswold™ engineered cellular rubber product line located in Moosup, Connecticut, which will now be called Griswold™ Products. We are currently in the process of transitioning systems from the previous company to Griswold™ Products with all of Griswold’s capabilities continuing in their historic location.

Your contact people at Griswold™ will continue in their current role. Their old email addresses will continue to be active as we transition to the new system and will forward to the new email.

For information regarding pricing, in-process or new purchase orders, please contact [email protected].


Griswold was originally established in 1949 in Moosup, Connecticut and through the years has become a leading manufacturer of standard and custom engineered cellular rubber products worldwide and has earned a reputation for delivering quality engineered products with service second to none.

Griswold’s wide range of KUSHON® cellular rubber products are available in natural rubber, neoprene, EPDM, Nitrile, SBR, sponge/cork, electrostatic dissipative as well as customer-designed compounds. Our continuously cured rolls offer multiple thickness and width options, along with the ability to combine textile substrates, for many diversified applications.

It is this creative ingenuity that Griswold was founded upon that sets us apart in today’s global marketplace. Griswold has garnered industry respect for having an uncanny ability to solve real problems with innovative solutions to material, cushioning, and application needs.

This facility is not included in Mechanical Rubber’s current AS9100D / ISO9001:2015 certification.